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Group of near-Earth asteroids
Atira asteroids /əˈtɪrə/ or Apohele asteroids, also known as interior-Earth objects (IEOs), are Near-Earth objects whose orbits are entirely confined
Atira_asteroid
Asteroid
163693 Atira (/əˈtɪrə/; provisional designation 2003 CP20) is a stony asteroid, dwelling in the interior of Earth's orbit. It is classified as a near-Earth
163693_Atira
Topics referred to by the same term
163693 Atira, an asteroid Atira asteroids Atira (goddess), goddess of the Earth and wife of Tirawa, the creator god, in Pawnee mythology ATIRA may refer
Atira
Mother goddess of the Native American Pawnee
itself namesake of the class of Atira asteroids), is named for Atira. Atira Mons, a mountain on Venus, is named for Atira. Atira is included among the women
Atira_(goddess)
objects List of predicted asteroid impacts on Earth Small Solar System body Amor asteroid Apollo asteroid Aten asteroid Atira asteroid Centaur (small Solar
List_of_exceptional_asteroids
First known asteroid of the Vatira population
population of Atira-class asteroids. ꞌAylóꞌchaxnim has the smallest known aphelion and third-smallest known semi-major axis among all asteroids. With an absolute
594913_ꞌAylóꞌchaxnim
Near-Earth asteroid
eccentric, sub-kilometer sized asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Atira group. It is one of the closest
(434326)_2004_JG6
Group of near-Earth asteroids
list of named Amor asteroids. List of Amor asteroid records Apollo asteroid Aten asteroid Atira asteroid Alinda asteroid Arjuna asteroid List of minor planets
Amor_asteroid
Group of near-Earth asteroids
of known Apollo asteroids is 21,083, making the class the largest group of near-Earth objects (cf. the Aten, Amor and Atira asteroids), of which 1,742
Apollo_asteroid
Group of near-Earth asteroids
Mars (1.53 AU). Aten asteroids are generally named after Egyptian deities. Alinda asteroid Amor asteroid Apollo asteroid Atira asteroid List of minor planets
Aten_asteroid
Near-Earth asteroid of the Atira group
2021 PH27 is a kilometer-sized Atira-type near-Earth asteroid orbiting very close to the Sun. It was discovered by Scott Sheppard using the Dark Energy
2021_PH27
Atira asteroid
than 47°, the highest inclination of any known Atira asteroid, although there are many near-Earth asteroids with even higher inclinations. On the short-term
2019_AQ3
Atira asteroid is based on the orbital criteria given in adjunct table. The data is sourced from JPL Small-Body Orbital Elements "Numbered Asteroids (50 MB)"
Lists_of_minor_planets
Minor planet found within the inner Solar System
(q), and aphelion distance (Q): The Atiras or Apoheles have orbits strictly inside Earth's orbit: an Atira asteroid's aphelion distance (Q) is smaller than
Asteroid
Hypothetical planet between the Sun and Mercury
all asteroids (434326) 2004 JG6, an Atira asteroid with an intra-Mercurian perihelion 2010 XB11, an Atira asteroid with an intra-Mercurian perihelion "LOC
Vulcan_(hypothetical_planet)
Near-Earth object
(provisional designation 2012 DA14) is a micro-asteroid and a near-Earth object of the Aten and Atira group, approximately 30 meters (98 ft) in diameter
367943_Duende
Near-Earth asteroid of the Atira group
2025 GN1 is an Atira-type near-Earth asteroid discovered by the Dark Energy Camera (DECam) at Cerro Tololo Inter-American Observatory on 4 April 2025.
2025_GN1
Hypothetical asteroids orbiting close to the Sun
zone between the Sun and Mercury. These should be distinguished from Atira asteroids, which may have perihelia within the orbit of Mercury, but whose aphelia
Vulcanoid
Asteroid
1998 DK36 is a 30-meter sized asteroid and near-Earth object that is possibly the first Apohele asteroid (Atira) – an asteroid that is always closer to the
1998_DK36
Asteroid
near-Earth object of the Atira group. After 2021 PH27, it has the second-smallest semi-major axis among the known asteroids (0.555 AU), beating the previously-held
2019_LF6
Near-Earth object of the Atira group
(20 December 2023). "Baked before Breaking into Bits: Evidence for Atira-type Asteroid Splits". Research Notes of the American Astronomical Society. 7 (12):
2023_WK3
doi:10.1086/375752. Johnston, Wm. Robert (19 February 2017). "(163693) Atira". Johnston's Archive. Retrieved 8 June 2019. "JPL Small-Body Database Browser:
List of Solar System objects by size
List_of_Solar_System_objects_by_size
Class of near-Earth asteroids
Mahabharata. The definition overlaps the definition of the Apollo, Amor, Aten and Atira groups. They constitute a dynamically cold group of small NEOs that experience
Arjuna_asteroid
Second object orbiting the Sun entirely within Venus's orbit
known asteroids as of 2025[update], after 2021 PH27 and 2025 GN1 (which orbit the Sun in 113 days). It belongs to the Atira group of asteroids which reside
2025_SC79
one such asteroid is known: 594913 ꞌAylóꞌchaxnim. Atira asteroids (Apohele; Interior-Earth Objects) are a small group of known asteroids whose aphelion
List_of_minor-planet_groups
Near-Earth asteroid
2020 OV1 is a near-Earth object of the Atira group. It was discovered at r=20.2 mag on 2020 July 19 by the Zwicky Transient Facility using the 1.2-m f/2
2020_OV1
Near-Earth asteroid
2015 DR215 is a stony near-Earth asteroid of the Atira class residing within Earth's orbit. It was discovered on 18 February 2015 by the Pan-STARRS 1
2015_DR215
Topics referred to by the same term
Oncologia, the European Institute of Oncology Interior-Earth object or Atira asteroid Institut d'Estudis Occitans (Institute of Western Studies), a cultural
IEO
Small Solar System body with an orbit that can bring it close to Earth
(56.5%) Amors: 13,137 (35.1%) Atens: 2,952 (7.90%) Comets: 123 (0.33%) Atiras: 34 (0.09%) A near-Earth object (NEO) is by definition any small Solar System
Near-Earth_object
Near-Earth asteroid
2020 HA10 is a near-Earth object of the Atira group. It was discovered at G=20.4 mag on 2020 April 28 by the Mount Lemmon Survey using the 0.5 m reflector
2020_HA10
Asteroid
2013 JX28 is an Atira asteroid, a type of Aten asteroid, that orbits entirely within Earth's orbit. It orbits very close to the Sun, having the eighth
2013_JX28
Natural satellite of a minor planet
companion as the secondary. The term double asteroid is sometimes used for systems in which the asteroid and its moon are roughly the same size, while
Minor-planet_moon
Sub-kilometer asteroid
Amor asteroids, which are both significantly larger than the Atens, while the Atira asteroids form the smallest NEO-group by far. The asteroid has an
2062_Aten
Astronomical object that is neither a planet nor a comet
is used: Atira asteroids orbit inside of Earth's perihelion distance and thus are contained entirely within the orbit of Earth. Aten asteroids, those that
Minor_planet
Period of time from midnight or sunrise to noon
Quanzhi; et al. (February 2020). "A Twilight Search for Atiras, Vatiras, and Co-orbital Asteroids: Preliminary Results". The Astronomical Journal. 159 (2):
Morning
Near-Earth object and Atira asteroid
2015 ME131 was a lost asteroid and a Near-Earth object (NEO). It is an Atira asteroid, which is by far the smallest group of near-Earth objects. This
2015_ME131
A Venus-crosser is an asteroid whose orbit crosses that of Venus. There are 2,809 Venus-crosser and 98 outer-grazers known. Mercury-crossers or grazers
List of Venus-crossing minor planets
List_of_Venus-crossing_minor_planets
Main-belt asteroid
S2CID 64651157. "Asteroid (459883) 2014 JX55". AstDyS-2, Asteroids – Dynamic Site. Retrieved 15 November 2019. Atira 2007 EB26 Asteroids On An Inside Track
(459883)_2014_JX55
Period of the day
Quanzhi; et al. (February 2020). "A Twilight Search for Atiras, Vatiras, and Co-orbital Asteroids: Preliminary Results". The Astronomical Journal. 159 (2):
Evening
Planetary system consisting of the Sun and objects orbiting it
dwarf planet Ceres and many of these smaller bodies are located in the asteroid belt (between Mars's and Jupiter's orbit), while all other dwarf planets
Solar_System
Kilometer-sized Apollo asteroid
near-Earth asteroids interior to Earth and Venus, using Cerro Tololo Observatory's Dark Energy Camera. Notable discoveries from this survey include the Atira asteroids
2022_AP7
NASA satellite of the Explorer program
only) and NEAs (asteroids only), and further into subcategories such as Atira asteroids, Aten asteroids, Apollo asteroids, Amor asteroids and the potentially
Wide-field Infrared Survey Explorer
Wide-field_Infrared_Survey_Explorer
A Mercury crosser or Mercury grazer is an asteroid whose orbit crosses that of Mercury. The Mercury crossers proper have aphelia outside Mercury's (0.4667
List of Mercury-crossing minor planets
List_of_Mercury-crossing_minor_planets
Near-Earth asteroid
2020 CW is a tiny near-Earth asteroid of the Apollo group, approximately 1 meter (3 ft) in diameter. It was first observed by the Mount Lemmon Survey on
2020_CW
Aten meteoroid and near-Earth object
edition revised ed.). dictionary entry: Aten; and dictionary entry: Apohele (Atira): Oxford University Press. ISBN 978-0-19-960905-5. Zhai, Chengxing; Shao
2025_UC11
Large, round non-stellar astronomical object
and Neptune; Ceres and other bodies later recognized to be part of the asteroid belt; and Pluto, later found to be the largest member of the collection
Planet
Near-Earth object and potentially hazardous asteroid
2017 QC36 is a near-Earth object and a potentially hazardous asteroid of the Aten group, It measures approximately 200 meters (660 feet) in diameter and
2017_QC36
Mars-crosser asteroid
Mars-crossing asteroid that was previously thought to be a near-Earth object. It was first observed on 25 September 2017, when the asteroid was less than
2017_SG33
Sub-kilometer asteroid
000 AU was discovered. This was 163693 Atira, the first confirmed Apohele asteroid. 1998 WT24 was the second asteroid discovered to be close enough to Venus
(33342)_1998_WT24
Space junk
its discovery, 2020 SO had unremarkable motion typical of a main-belt asteroid.[citation needed] However, the four observations that Pan-STARRS obtained
2020_SO
Near-Earth object and potentially hazardous asteroid
2017 MZ8 is a near-Earth object and a potentially hazardous asteroid, meaning that it has an orbit that can make close approaches to the Earth and large
2017_MZ8
Near-Earth object and potentially hazardous object
2016, when the asteroid was more than 1 AU from Earth and had a solar elongation of 163 degrees. This asteroid had been a lost asteroid until its rediscovery
(696513)_2016_NL56
Designation of an astronomical body after its discovery and before its official name
109K) B0000 encodes (110000) 2001 SM63 (as B0= 110K) G3693 encodes 163693 Atira (as G3= 163K) Y2843 encodes 342843 Davidbowie (as Y2= 342K) g0356 encodes
Provisional designation in astronomy
Provisional_designation_in_astronomy
Near-Earth object and Amor asteroid
February 25, 2017, when the asteroid was less than 1 AU from Earth and had a solar elongation of 169°. This asteroid is a lost asteroid. It has a short observation
2017_DB120
Planets visible to the naked eye
Greek camp Saturn Uranus Neptune Near-Earth objects Amors Apollos Atens Atiras Distant minor planet Centaurs Damocloids Trans-Neptunian objects Resonant
Classical_planet
Innermost Galilean moon of Jupiter
Greek camp Saturn Uranus Neptune Near-Earth objects Amors Apollos Atens Atiras Distant minor planet Centaurs Damocloids Trans-Neptunian objects Resonant
Io_(moon)
161 Athor 227930 Athos 18930 Athreya 280244 Ati 28376 Atifjaved 163693 Atira 1827 Atkinson 1198 Atlantis 21404 Atluri 810 Atossa 14791 Atreus 20994 Atreya
List of named minor planets: A
List_of_named_minor_planets:_A
Microsatellite from Canada
track near-Earth asteroids inside Earth's orbit around the Sun, including asteroids in the Aten and Atira classes. These asteroids are particularly difficult
Near Earth Object Surveillance Satellite
Near_Earth_Object_Surveillance_Satellite
Minor Planets, Schmadel also researched the unclear origin of numerous asteroids, most of which had been named prior to World War II. This article incorporates
Meanings of minor-planet names: 187001–188000
Meanings_of_minor-planet_names:_187001–188000
asteroids in the MPC database, MPCORB.DAT (139 MB)". International Astronomical Union's Minor Planet Center. July 2024. "Critical Lists of Asteroids"
List of minor planets: 163001–164000
List_of_minor_planets:_163001–164000
Trans-Neptunian object
blog. Planetary Society. Archived from the original on 15 October 2014. "Asteroid Size Estimator". CNEOS NASA/JPL. Retrieved 9 February 2018. Verbiscer,
2014_PN70
Cold classical Kuiper belt object
Groups List Moon Meanings of names Asteroid Active Asteroid belt Family Jupiter trojan Near-Earth Amors Apollos Atens Atiras Spectral types Distant minor planet
2014_MT69
Classical Kuiper belt object
icarus.2019.01.025. S2CID 119192900. "MinorPlanet.info: One Asteroid Information". Asteroid Lightcurve Database (LCDB). Retrieved 7 September 2021. Search
2014_OS393
Astraea, and in 1849 Annibale de Gasparis discovers the asteroid Hygiea, the fourth largest asteroid in the Solar System by both volume and mass. As new objects
Historical models of the Solar System
Historical_models_of_the_Solar_System
Natural physical entity in space
include planetary systems, star clusters, nebulae, and galaxies, while asteroids, moons, planets, and stars are astronomical bodies. A comet may be identified
Astronomical_object
†Epigondolella †Epigondolella abneptis †Anchura †Anchura falciformis †Atria †Atira ornatissima †Boggsia †Boggsia tenuis †Forsia †Forsia popenoei †Gyrodes †Gyrodes
List of the prehistoric life of Washington
List_of_the_prehistoric_life_of_Washington
Overview of and topical guide to the Solar System
belt Mars ♂ Moons of Mars Asteroid belt Asteroid groups Asteroids Ceres ⚳ Pallas ⚴ Juno ⚵ Vesta ⚶ Hygiea Active asteroids Kirkwood gaps Outer Solar System
Outline_of_the_Solar_System
Minor Planets, Schmadel also researched the unclear origin of numerous asteroids, most of which had been named prior to World War II. This article incorporates
Meanings of minor-planet names: 163001–164000
Meanings_of_minor-planet_names:_163001–164000
satellite. 1849 – Annibale de Gasparis discovers the asteroid Hygiea, the fourth largest asteroid in the Solar System by both volume and mass. 1851 – Lassell
Timeline of Solar System astronomy
Timeline_of_Solar_System_astronomy
Geologic formation in North America
Halligan, William; Larson, Neal L. (February 2018). "A new species of the asteroid genus Betelgeusia (Echinodermata) from methane seep settings, Late Cretaceous
Pierre_Shale
American astronomer
Greek camp Saturn Uranus Neptune Near-Earth objects Amors Apollos Atens Atiras Distant minor planet Centaurs Damocloids Trans-Neptunian objects Resonant
Craig_Chester_(astronomer)
Binary Kuiper belt object
of Transneptunian Objects, Minor Planet Center 2011 JY31 at AstDyS-2, Asteroids—Dynamic Site Ephemeris · Observation prediction · Orbital info · Proper
2011_JY31
goddess from Marquesas Islands Atira Mons 52°12′N 267°36′E / 52.2°N 267.6°E / 52.2; 267.6 (Atira Mons) 152 (1) Atira, Pawnee wife of Great Spirit Tirawa
List_of_montes_on_Venus
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ATIRA ASTEROID
ATIRA ASTEROID
ATIRA ASTEROID
ATIRA ASTEROID
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ATIRA ASTEROID
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ATIRA ASTEROID
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