Discovery date 23 September 1990 Alternative names MPO 328722 Aphelion 2.8993 AU (433.73 Gm) Rotation period 12 hours Discoverer Brian P. Roman Asteroid group Amor asteroid | MPC designation 1990 SQ Observation arc 14681 days (40.19 yr) Discovered 23 September 1990 Orbits Sun Discovery site Palomar Observatory | |
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Perihelion 1.10393 AU (165.146 Gm) Similar 1980 Tezcatlipoca, Solar System, 1627 Ivar, Sun, 3552 Don Quixote | ||
4954 Eric (or 1990 SQ) is an Amor asteroid with a diameter of 10.8 km that was discovered by American astronomer Brian P. Roman on 1990 September 23. It was named after its discoverer's son, Eric Roman. The asteroid has a rotation period of 12.05 hours.
It is the largest near-Earth asteroid discovered since 3552 Don Quixote in 1983. On 2007 October 11 the asteroid passed 0.2865 AU (42,860,000 km; 26,630,000 mi) from Earth. It currently makes closer approaches to Mars than it does Earth.
Other large near-Earth asteroids include: 1036 Ganymed (32 km), 3552 Don Quixote (19 km), 433 Eros (17 km), and 1866 Sisyphus (8.5 km).
References
4954 Eric Wikipedia(Text) CC BY-SA