Aten asteroid records
Encyclopedia
The following is a list of current records for Aten asteroid
s.
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 |