Aten asteroid records
Encyclopedia
The following is a list of current records for Aten asteroid
Aten asteroid
The Aten asteroids are a group of near-Earth asteroids, named after the first of the group to be discovered . They are defined by having semi-major axes of less than one astronomical unit...

s.
Record |Value
Discovery Records
First Detected 2003 UC20 December 5, 1954
First Confirmed 2062 Aten
2062 Aten
2062 Aten is an asteroid that was discovered at the Palomar Mountain Observatory by Eleanor F. Helin, who is now the principal scientist for the NEAT project. It is named after Aten, the Egyptian god of the sun....

 
Jan. 7, 1976
Physical Records Absolute
Magnitude
Diameter
Largest
Dimmest (Named)
2340 Hathor
2340 Hathor
2340 Hathor is an asteroid that was discovered on October 22, 1976 by C.T. Kowal at Palomar. Like the other objects of Aten type, Hathor is named for an Egyptian deity. Known as a sky-goddess and the daughter of Ra, Hathor was also identified with Aphrodite. The name was proposed by E...

 
19.2 5.3 km
Brightest 14.5 4.3 km
Brightest (Numbered) 14.7 3.6 km
Brightest (Named) 3753 Cruithne
3753 Cruithne
3753 Cruithne is an asteroid in orbit around the Sun in approximate 1:1 orbital resonance with the Earth. It is a periodic inclusion planetoid orbiting the Sun in an apparent horseshoe orbit. It has been incorrectly called "Earth's second moon", but it is only a quasi-satellite. Cruithne never...

 
15.1 3.3 km
Smallest (Named) 3362 Khufu
3362 Khufu
]3362 Khufu is a near-Earth asteroid. It was discovered by R. Scott Dunbar and Maria A. Barucci at the Palomar Observatory in San Diego County, California, on August 30, 1984. Its provisional designation was 1984 QA. It is named after Khufu, an ancient Egyptian pharaoh.Khufu crosses the orbits...

 
18.3 700 m
Dimmest (Numbered) 19.9 505 m
Dimmest 29.1 5 m
Orbital Records
Perihelion Records q (au) notes
Smallest 0.092 smallest of all asteroids
Smallest (named) 2340 Hathor
2340 Hathor
2340 Hathor is an asteroid that was discovered on October 22, 1976 by C.T. Kowal at Palomar. Like the other objects of Aten type, Hathor is named for an Egyptian deity. Known as a sky-goddess and the daughter of Ra, Hathor was also identified with Aphrodite. The name was proposed by E...

 
0.464
Largest (numbered) 2062 Aten
2062 Aten
2062 Aten is an asteroid that was discovered at the Palomar Mountain Observatory by Eleanor F. Helin, who is now the principal scientist for the NEAT project. It is named after Aten, the Egyptian god of the sun....

 
0.790
Largest 0.984 Earth Co-Orbital
Semi-Major Axis Records a (au) notes
Smallest 0.635 Apohele asteroid
Apohele asteroid
Apohele asteroids, or alternatively Interior-Earth Objects or Atira asteroids, are a subclass of Aten asteroids. They have not only their perihelion within Earth's orbit, but also their aphelion; that is, their entire orbit is within Earth's .The first suspected Apophele was , the first confirmed...

, smallest of all asteroids
Smallest (numbered) 0.642
Smallest (named) 2100 Ra-Shalom
2100 Ra-Shalom
The asteroid 2100 Ra-Shalom was discovered in 1978 by Eleanor F. Helin. It was the second asteroid in the Aten class, after the discovery of 2062 Aten in 1976, also by Helin. The Atens have a semi-major axis of less than 1 AU; of the Atens, Ra-Shalom is one of the asteroids with the smallest...

 
0.832
Largest (numbered) 3753 Cruithne
3753 Cruithne
3753 Cruithne is an asteroid in orbit around the Sun in approximate 1:1 orbital resonance with the Earth. It is a periodic inclusion planetoid orbiting the Sun in an apparent horseshoe orbit. It has been incorrectly called "Earth's second moon", but it is only a quasi-satellite. Cruithne never...

 
0.998 Earth Co-Orbital
Largest 0.999 In Earth's Zone of Influence
Aphelion Records Q (au) notes
Smallest 0.973 Apohele asteroid
Apohele asteroid
Apohele asteroids, or alternatively Interior-Earth Objects or Atira asteroids, are a subclass of Aten asteroids. They have not only their perihelion within Earth's orbit, but also their aphelion; that is, their entire orbit is within Earth's .The first suspected Apophele was , the first confirmed...

, smallest of all asteroids
Smallest (numbered) 1.019 smallest of all numbered asteroids
Smallest (named) 2062 Aten
2062 Aten
2062 Aten is an asteroid that was discovered at the Palomar Mountain Observatory by Eleanor F. Helin, who is now the principal scientist for the NEAT project. It is named after Aten, the Egyptian god of the sun....

 
1.143 smallest of all named asteroids
Largest (named) 3753 Cruithne
3753 Cruithne
3753 Cruithne is an asteroid in orbit around the Sun in approximate 1:1 orbital resonance with the Earth. It is a periodic inclusion planetoid orbiting the Sun in an apparent horseshoe orbit. It has been incorrectly called "Earth's second moon", but it is only a quasi-satellite. Cruithne never...

 
1.511 Earth Co-Orbital
Largest 1.705 In Earth's Zone of Influence, Binary
Eccentricity Records e notes
Smallest 0.013 Earth Co-Orbital
Smallest (numbered) 2062 Aten
2062 Aten
2062 Aten is an asteroid that was discovered at the Palomar Mountain Observatory by Eleanor F. Helin, who is now the principal scientist for the NEAT project. It is named after Aten, the Egyptian god of the sun....

 
0.183
Largest (named) 3753 Cruithne
3753 Cruithne
3753 Cruithne is an asteroid in orbit around the Sun in approximate 1:1 orbital resonance with the Earth. It is a periodic inclusion planetoid orbiting the Sun in an apparent horseshoe orbit. It has been incorrectly called "Earth's second moon", but it is only a quasi-satellite. Cruithne never...

 
0.515 Earth Co-Orbital
Largest 0.895
Inclination Records i (deg) notes
Smallest 2004 FH
2004 FH
2004 FH is a near-Earth asteroid that was discovered on March 15, 2004, by the NASA-funded LINEAR asteroid survey. The object is roughly 30 metres in diameter and passed just above the Earth's surface on March 18, 2004, at 22:08 UTC; making it the 11th closest approach to Earth recorded...

 
0.000
Smallest (numbered) (65679) 1989 UQ  1.3
Smallest (named) 2340 Hathor
2340 Hathor
2340 Hathor is an asteroid that was discovered on October 22, 1976 by C.T. Kowal at Palomar. Like the other objects of Aten type, Hathor is named for an Egyptian deity. Known as a sky-goddess and the daughter of Ra, Hathor was also identified with Aphrodite. The name was proposed by E...

 
5.9
Largest (numbered) 5381 Sekhmet
5381 Sekhmet
5381 Sekhmet is an Aten asteroid whose orbit is sometimes closer to the Sun than the Earth's. It was discovered on 14 May 1991 by Carolyn Shoemaker at Palomar Observatory...

49.0
Largest 53.3

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