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Point where an orbit crosses a plane of reference to which it is inclined
An orbital node is either of the two points where an orbiting object intersects a plane of reference inclined with respect to the orbital plane. A non-inclined
Orbital_node
Defining the orbit of an object in space
the ascending node, also known as the right ascension of the ascending node, is one of the orbital elements used to specify the orbit of an object in
Longitude of the ascending node
Longitude_of_the_ascending_node
Intersection of Moon's orbit with Earth's ecliptic
A lunar node is either of the two orbital nodes of the Moon; that is, the two points at which the orbit of the Moon intersects the orbit of Earth (the
Lunar_node
Parameters that define a specific orbit
Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems
Orbital_elements
Topics referred to by the same term
reference Lunar node, where the orbits of the Sun and Moon intersect Longitude of the ascending node, how orbital nodes are parameterized Lymph node, an immune
Node
Rotation of a satellite as it orbits
Nodal precession is the precession of the orbital plane (more specifically, the line of nodes) of a satellite around the rotational axis of an astronomical
Nodal_precession
Specifies the orbit of an object in space
ω (omega), is one of the orbital elements of an orbiting body. Parametrically, ω is the angle from the body's ascending node to its periapsis, measured
Argument_of_periapsis
Type of geocentric orbit
an orbit arranged so that, for each revolution of the planet around the Sun, its orbital plane (specifically the longitude of the ascending node) precesses
Sun-synchronous_orbit
Spaceflight maneuver
Orbital inclination change is an orbital maneuver aimed at changing the inclination of an orbiting body's orbit. This maneuver is also known as an orbital
Orbital_inclination_change
The Moon's circuit around Earth
needed][relevant?] However, because the orbital velocity of the Moon around Earth (1 km/s) is small compared to the orbital velocity of Earth about the Sun (30 km/s)
Orbit_of_the_Moon
Function describing an electron in an atom
{\displaystyle m_{s}} . The simple names s orbital, p orbital, d orbital, and f orbital refer to orbitals with angular momentum quantum number ℓ = 0, 1, 2
Atomic_orbital
Time an astronomical object takes to complete one orbit around another object
reciprocal is the orbital frequency, a kind of revolution frequency, in units of hertz. According to Kepler's Third Law, the orbital period T of two point
Orbital_period
Field of classical mechanics concerned with the motion of spacecraft
of orbital transfer between non-coplanar orbits, the change-of-plane thrust must be made at the point where the orbital planes intersect (the "node").
Orbital_mechanics
Hindu deity representing ascending lunar node
ascension of the Moon in its precessional orbit around the Earth, also referred to as the north lunar node, and along with Ketu, is a "shadow planet"
Rahu
Russian global navigation satellite system
satellites are located in middle circular orbit at 19,100 km (11,900 mi) altitude with a 64.8° inclination and an orbital period of 11 hours and 16 minutes (every
GLONASS
Amount by which an orbit deviates from a perfect circle
astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another
Orbital_eccentricity
Either of two extreme points in a celestial object's orbit
Saturn, Uranus, and Neptune. The orbital nodes are the two end points of the "line of nodes" where a planet's tilted orbit intersects the plane of reference;
Apsis
Type of orbit around an astronomical body
called an ecliptic orbit. As non-inclined orbits lack nodes, the ascending node is undefined, as well as its related classical orbital elements, the longitude
Near-equatorial_orbit
Movement during spaceflight
In spaceflight, an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far
Orbital_maneuver
Angle between a reference plane and the plane of an orbit
Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a reference plane and the orbital
Orbital_inclination
Speed at which a body orbits around the barycenter of a system
the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around
Orbital_speed
direction of the orbiting object and a specified plane of reference. orbital mechanics orbital node One of two points at which the plane of an orbit intersects
Glossary_of_astronomy
US components of the International Space Station
depends on the Russian Orbital Segment for essential flight control, orbital station-keeping and life support systems. The US Orbital Segment consists of
US_Orbital_Segment
Transfer manoeuvre between two orbits
astronautics, the Hohmann transfer orbit (/ˈhoʊmən/) is an orbital maneuver used to transfer a spacecraft between two orbits of different altitudes around
Hohmann_transfer_orbit
Concept in geometry and physics
longitude of the ascending node (Ω). By definition, the reference plane for the Solar System is usually considered to be Earth's orbital plane, which defines
Orbital_plane
Moon stops moving north or south
Moon, the lunar nodes, and the perigee. Lunistices occur near in time to equinoxes and eclipses. This is because the Moon's orbital inclination has periodic
Lunar_standstill
Trajectory of Earth around the Sun
center of the orbit is relatively close to the center of the Sun (relative to the size of the orbit). As seen from Earth, the planet's orbital prograde motion
Earth's_orbit
Quasi-periodic orbital trajectory
trajectory In orbital mechanics, a Lissajous orbit (pronounced [li.sa.ʒu]), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that
Lissajous_orbit
of the longitude of ascending node Ω (measured on ecliptic plane) and the argument of periapsis ω (measured on orbital plane): ϖ = Ω + ω {\displaystyle
Longitude_of_periapsis
American module of the International Space Station
NASA, serves as the critical link between the orbiting laboratory's Russian Orbital Segment and US Orbital Segment. Unity was launched on December 4, 1998
Unity_(ISS_module)
Kepler orbit with an eccentricity of less than one
axis the orbital period does not depend on the eccentricity (See also: Kepler's third law). Under standard assumptions, the specific orbital energy (
Elliptic_orbit
Point with minimum wave amplitude
radial and angular nodes. A radial node for the hydrogen atom is a sphere that occurs where the wavefunction for an atomic orbital is equal to zero, while
Node_(physics)
Periodic, three-dimensional orbit
Halo orbit A halo orbit is a periodic, non-planar orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics
Halo_orbit
Mixing (superposition) of atomic orbitals
In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies,
Orbital_hybridisation
Process that leads to gradual decrease of the distance between two orbiting bodies
detectable gravitational waves. Orbital decay is caused by one or more mechanisms which absorb energy from the orbital motion, such as fluid friction,
Orbital_decay
Quantum number denoting orbital angular momentum
number for an atomic orbital that determines its orbital angular momentum and describes aspects of the angular shape of the orbital. The azimuthal quantum
Azimuthal_quantum_number
Type of high-latitude satellite orbit
It is a highly elliptical orbit with an inclination of 63.4 degrees, an argument of perigee of 270 degrees, and an orbital period of about half a sidereal
Molniya_orbit
Type of orbit
{\displaystyle v_{o}} is orbital velocity of a body in circular orbit. For a body moving along this kind of trajectory the orbital equation is: r = h 2 μ
Parabolic_trajectory
Horizontal (bowl appearance) crescent
Libration Lunar precession Lunar standstill Nodal precession Orbit of the Moon Orbital node Lunar node Harrington, Philip; Pascuzzi, Edward (2023-09-21). Astronomy
Wet_moon
Orbit around Earth between 160 and 2000 km
Earth's radius). Objects in orbits that pass through this zone, even if they have an apogee further out or are sub-orbital, are carefully tracked since
Low_Earth_orbit
Curved path of an object around a point
mechanics, an orbit is the curved trajectory of an object under the influence of an attracting force. Alternatively, it is known as an orbital revolution
Orbit
Parameter of Keplerian orbits
ν by 2π − ν) where: v is the orbital velocity vector of the orbiting body, e is the eccentricity vector, r is the orbital position vector (segment FP in
True_anomaly
Time between successive new moons
lunar nodes and eat the Sun or Moon during an eclipse. A solar or lunar eclipse is possible only when the Moon is at or near either of its orbital nodes, the
Lunar_month
Mathematical equation describing the motion of a rocket
applied to orbital maneuvers in order to determine how much propellant is needed to change to a particular new orbit, or to find the new orbit as the result
Tsiolkovsky_rocket_equation
Equilibrium points near two orbiting bodies
increasing the object's orbital period. The closer to Earth the object is, the greater this effect is. At the L1 point, the object's orbital period becomes exactly
Lagrange_point
Concept in gravitational orbital mechanics
{\frac {2GM}{r}}}} For a given orbital radius, the escape velocity will be 2 {\displaystyle {\sqrt {2}}} times the orbital velocity. Specific total energy
Vis-viva_equation
Orbit with a fixed distance from the barycenter
{v^{2}}{r}}\,={\omega ^{2}}{r}} where: v {\displaystyle v\,} is the orbital velocity of the orbiting body, r {\displaystyle r\,} is radius of the circle ω {\displaystyle
Circular_orbit
Proposed low Earth orbit space station
Orbital Reef is a low Earth orbit (LEO) space station under development. It is designed by Blue Origin and Sierra Space for commercial space activities
Orbital_Reef
Spaceflight operation
In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or
Orbit_insertion
Path on the surface of the Earth or another body directly below an aircraft or satellite
east. As the orbital period of a satellite increases, approaching the rotational period of the Earth (in other words, as its average orbital speed slows
Satellite_ground_track
the longitude of the ascending nodes of two system bodies. Secular resonances can be used to study the long-term orbital evolution of asteroids and their
Secular_resonance
Parameter in the gravitational two-body problem
}{2a}}\end{aligned}}} where v {\displaystyle v} is the relative orbital speed; r {\displaystyle r} is the orbital distance between the bodies; μ = G ( m 1 + m 2 ) {\displaystyle
Specific_orbital_energy
Concept in astrodynamics
Orbital Mechanics & Astrodynamics by Bryan Weber: https://orbital-mechanics.space/the-orbit-equation/hyperbolic-trajectories.html Trajectories Orbits
Hyperbolic_trajectory
Device or point within a network capable of creating, receiving, or transmitting data
In networking, a node (Latin: nodus, 'knot') is either a redistribution point or a communication endpoint within telecommunication networks or computer
Node_(networking)
Term in geometry; longest and shortest semidiameters of an ellipse
barycentric orbital speed is 1.010 km/s, whilst the Earth's is 0.012 km/s. The total of these speeds gives a geocentric lunar average orbital speed of 1
Semi-major and semi-minor axes
Semi-major_and_semi-minor_axes
Laws describing planetary orbits
square of a planet's orbital period is proportional to the cube of the length of the semi-major axis of its orbit. The elliptical orbits of planets were indicated
Kepler's laws of planetary motion
Kepler's_laws_of_planetary_motion
Estimation of orbits of objects
{h}}.} The ascending node vector is a vector pointing from the central body to the ascending node of the orbital plane of the orbiting body. Since the line
Orbit_determination
Classical approach to the many-body problem of astronomy
is frequently perturbed Osculating orbit Orbit modeling Orbital resonance Perturbation theory Proper orbital elements Stability of the Solar System Footnotes
Perturbation_(astronomy)
Transfer orbit used to reach geosynchronous or geostationary orbit
cost to send a spacecraft to such orbits is very high due to their high orbital radius. A GTO is an intermediary orbit used to make this process more efficient
Geostationary_transfer_orbit
Center of mass of multiple bodies orbiting each other
the mass of the secondary in Earth masses (M🜨) a (km) is the average orbital distance between the centers of the two bodies r1 (km) is the distance
Barycenter_(astronomy)
Orbit of an object around the Moon
that make most unstable, and leave only a few orbital trajectories possible for indefinite frozen orbits. These would be useful for long-term stays in
Lunar_orbit
Circular orbit above Earth's Equator and following the direction of Earth's rotation
following the direction of Earth's rotation. An object in such an orbit has an orbital period equal to Earth's rotational period, one sidereal day, and
Geostationary_orbit
Celestial coordinate system
An orbital pole is either point at the ends of the orbital normal, an imaginary line segment that runs through a focus of an orbit (of a revolving body
Orbital_pole
Horizontal angle from north or other reference cardinal direction
on Astrodynamics Orbital mechanics Orbital elements Apsis Argument of periapsis Eccentricity Inclination Mean anomaly Orbital nodes Semi-major axis True
Azimuth
L-1011 modified to carry rockets
modified in 1994 by Orbital Sciences (now part of Northrop Grumman) to serve as the mother ship for the Pegasus, an air-launched orbital rocket. As of June
Stargazer_(aircraft)
Specifies the orbit of an object in space
if it moved in a circular orbit, with constant speed, in the same orbital period as the actual body in its elliptical orbit. Define T as the time required
Mean_anomaly
Concept in celestial mechanics
Earth orbit of 200 km). The required additional change in speed, however, is far less because the spacecraft already has a significant orbital speed (in
Escape_velocity
Type of spacecraft maneuver
a spacecraft to burn its fuel is at the lowest possible orbital periapsis, when its orbital velocity (and so, its kinetic energy) is greatest. In some
Oberth_effect
Branch of astronomy
planets, moons, and comets. Orbital mechanics focuses on spacecraft trajectories, including orbital maneuvers, orbital plane changes, and interplanetary
Celestial_mechanics
Branch of engineering
lift and aeronautics). Astrodynamics – the study of orbital mechanics including prediction of orbital elements when given a select few variables. While
Aerospace_engineering
and V2R = GM, where R = radius of orbit in metres, T = orbital period in seconds, V = orbital speed in m/s, G = gravitational constant ≈ 6.673×10−11 Nm2/kg2
List_of_orbits
Calculation and prediction of eclipses
plane of Earth's orbit, i.e. when its ecliptic latitude is low. This happens when the Moon is around either of the two orbital nodes on the ecliptic at
Eclipse_cycle
Proposed Russian space station
Orbital Service Station, is a proposed Russian orbital space station scheduled to begin construction in 2028. Initially an evolution of the Orbital Piloted
Russian_Orbital_Station
Plane used to define orbital elements
mechanics, the orbital plane of reference (or orbital reference plane) is the plane used to define orbital elements (positions). The two main orbital elements
Orbital_plane_of_reference
Motion problem in classical mechanics
sometimes described as "orbiting" its nucleus, following an early conjecture of Niels Bohr (this is the source of the term "orbital"). However, electrons
Two-body_problem
passages of the satellite through either of its orbital nodes, typically the ascending node. This type of orbital period applies to artificial satellites, like
Nodal_period
List of definitions of terms and concepts commonly used in aerospace engineering
the orbital velocity vector (delta v) at the orbital nodes (i.e. the point where the initial and desired orbits intersect, the line of orbital nodes is
Glossary of aerospace engineering
Glossary_of_aerospace_engineering
Natural satellites orbiting Pluto
and the Sun. This occurs when one of the satellites' orbital nodes (the points where their orbits cross Pluto's ecliptic) lines up with Pluto and the Sun
Moons_of_Pluto
Elliptical orbit used to move a spacecraft from one circular orbit to another
In orbital mechanics, a transfer orbit is an intermediate elliptical orbit that is used to move a spacecraft in an orbital maneuver from one circular
Transfer_orbit
Problem in physics and celestial mechanics
predict a planet's motion; i.e., to give its orbital properties: position, orbital diameter, period and orbital velocity. Having done so, he and others soon
N-body_problem
Moment in time used as a reference point in astronomy
the disciplines of celestial mechanics or its subfield orbital mechanics (for predicting orbital paths and positions for bodies in motion under the gravitational
Epoch_(astronomy)
Function used in quantum chemistry
orbitals (STOs) or Slater-type functions (STFs) are functions used as atomic orbitals in the linear combination of atomic orbitals molecular orbital method
Slater-type_orbital
Wobble of the axis of rotation
period of 18.6 years, the same as that of the precession of the Moon's orbital nodes. However, there are other significant periodic terms that must be accounted
Nutation
Spacecraft end-of-life orbit
2015-03-07. "FCC Enters Orbital Debris Debate". Space.com. Archived from the original on March 8, 2005. "US Government Orbital Debris Standard Practices"
Graveyard_orbit
Molecular orbital which weakens chemical bonding
In theoretical chemistry, an antibonding orbital is a type of molecular orbital that weakens the chemical bond between two atoms and helps to raise the
Antibonding_molecular_orbital
Small near-Earth asteroid
Apollo asteroid with a semi-major axis of 1.003 AU, an orbital eccentricity of 0.108, and an orbital inclination of approximately 2°, placing it in the low-eccentricity
2025_PN7
Modular space station in low Earth orbit
divided into two main sections: the Russian Orbital Segment (ROS), developed by Roscosmos, and the US Orbital Segment (USOS), built by NASA, ESA, JAXA,
International_Space_Station
Movement of Mercury across the Sun viewed from further away
node of its orbit, it passes through the orbital plane of the Earth. If an inferior conjunction occurs as Mercury is passing through its orbital node
Transit_of_Mercury
Orbit in which natural drifting has been minimized
term is the effect of the new position of the ascending node in the new orbital plane, the orbital plane being perturbed by the out-of-plane force component
Frozen_orbit
Orbital mechanics term
In orbital mechanics, Kepler's equation relates various geometric properties of the orbit of a body subject to a central force. It was derived by Johannes
Kepler's_equation
Periodic change in the direction of a rotation axis
gives the observed excess turning rate of 43 arcseconds per century. Orbital nodes also precess over time. Larmor precession – Movement of an object's
Precession
Hypothetical Solar System planet
Planet Nine's orbit. This causes orbital poles of the ETNOs on average to be tilted toward one side and their longitudes of ascending nodes to be clustered
Planet_Nine
Satellite orbit with high inclination
orbit to provide telecommunications services. Near-polar orbiting satellites commonly choose a sun-synchronous orbit, where each successive orbital pass
Polar_orbit
Regular and periodic mutual gravitational influence of orbiting bodies
mechanics, orbital resonance occurs when orbiting bodies exert regular, periodic gravitational influence on each other, usually because their orbital periods
Orbital_resonance
Moon of Eris
pronunciation at How I Killed Pluto and Why It Had It Coming The orbital period (P) is 15.774 d. The orbital circumference (C) is 2π*semi-major axis. Dividing these
Dysnomia_(moon)
Hindu deity representing descending lunar node
(i.e. 'south') lunar node in Vedic, or Hindu astrology. Personified as a deity, Rāhu (, the ascending (i.e. 'north') lunar node) and Ketu are considered
Ketu_(mythology)
Configuration of two or more astronomical objects
mean orbital radius, along a tadpole orbit in 790 days (288 times its orbital period around Saturn, the same as Dione's). A pair of co-orbital exoplanets
Co-orbital_configuration
Satellites of Jupiter
either colliding while far away from an orbital node, or being hit from a direction roughly coplanar with its orbit. Alternatively, the group may have been
Himalia_group
Orbit around the barycenter of the Sun
heliocentric orbit (also called circumsolar orbit) is an orbit around the Sun. The inner planets are mainly influenced by the Sun's gravity, and orbit points
Heliocentric_orbit
ascending node, Multon, F. R. (1970). An Introduction to Celestial Mechanics (2nd ed.). New York, NY: Dover. pp. 182–183. Roy, A. E. (1978). Orbital Motion
True_longitude
ORBITAL NODE
ORBITAL NODE
Female
English
Anglicized form of Hebrew Abiytal, ABITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Boy/Male
Arabic, Hindu, Indian, Muslim, Sindhi
One who Argues a Lot; Orbit; Eye Socket; Orgument; Debate
Boy/Male
Muslim
Orbit, Eye socket, Argument
Girl/Female
Australian, Latin
Golden
Girl/Female
Tamil
Loved one
Boy/Male
Muslim/Islamic
Orbit eye socket, Orgument, debate
Boy/Male
Biblical Hebrew
The father of the dew; or of the shadow.
Girl/Female
Assamese, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Offering
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Circumference of the Orbit; Limit; Realm
Biblical
the father of the dew; or of the shadow,father of the dew
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Loved One
Girl/Female
Hindu, Indian, Kashmiri
A Music ( a Node of Music )
Girl/Female
Tamil
Orpita | ஓரà¯à®ªà®¿à®¤à®¾
Offering
Orpita | ஓரà¯à®ªà®¿à®¤à®¾
Girl/Female
Indian
Dreams
Boy/Male
Anglo Saxon
A British god.
Female
English
Variant spelling of English Abital, AVITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Boy/Male
Indian
Orbit, Eye socket, Argument
ORBITAL NODE
ORBITAL NODE
Boy/Male
Indian, Punjabi, Sikh
One in Union with God
Boy/Male
Indian, Sanskrit, Telugu
Worshipping; Sacrificing
Biblical
Phoenicia, red; purple
Male
Arthurian
, a knight of the Round Table.
Boy/Male
Tamil
Youthful, Lord Shiva
Girl/Female
Tamil
Kaavyanjali | காவà¯à®¯à®¾à®‚ஜலி
The offering of poetry
Girl/Female
Hebrew
Flower.
Boy/Male
Bengali, Hindu, Indian, Malayalam, Marathi, Mythological, Sanskrit
A Rishi
Male
English
Variant spelling of English Marquis, MARQUISE means "governor of a border country."
Boy/Male
Gaelic
Blond.
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
n.
The book of forms for making, ordaining, and consecrating bishops, priests, and deacons.
a.
Having the orbital index relatively large; having the orbits narrow transversely; -- opposed to microseme.
a.
Alt. of Orbical
n.
A word or number denoting order or succession.
n.
The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.
a.
Indicating order or succession; as, the ordinal numbers, first, second, third, etc.
a.
Orbital.
a.
Spherical; orbicular; orblike; circular.
a.
Of or pertaining to an order.
n.
Alt. of Orbity
a.
Situated around the orbit; as, the orbitary feathers of a bird.
a.
Of or pertaining to obits, or days when obits are celebrated; as, obitual days.
a.
Of or pertaining to an orbit.
a.
Having a medium orbital index; having orbits neither broad nor narrow; between megaseme and microseme.
a.
Of the length of a cubit.
n.
A sleeve covering the arm from the elbow to the hand.
a.
Of or pertaining to the cubit or ulna; as, the cubital nerve; the cubital artery; the cubital muscle.
a.
Orbital.
a.
Having the orbital index relatively small; having the orbits broad transversely; -- opposed to megaseme.
n.
A book containing the rubrics of the Mass.