(21484) Eppard Main-belt Asteroid
Discovered on 19 April 1998 by LINEAR at Socorro.
Erin F. Eppard (b. 1988) was awarded first place in the 2006 Intel International Science and Engineering Fair for her engineering project. She attends the Thunderbird High School, Phoenix, Arizona, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Eppard is today
Seen from above the solar system on 2026-10-14: Eppard is 2.28 au from the Sun and 3.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21484 |
| Provisional designation | 1998 HR134 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.89 km (#15,479 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.532 |
| Rotation period | 5.03 hours |
| Absolute magnitude (H) | 15.0 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 2.18 – 2.53 au |
| Eccentricity | 0.0740 |
| Inclination | 7.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Erin
- (10063) Erinleeryan
- (12092) Erinorourke
- (12548) Erinriley
- (18662) Erinwhite
- (19003) Erinfrey
- (19518) Moulding
- (22705) Erinedwards
- (22945) Schikowski
- (25378) Erinlambert
- (27570) Erinschumacher
- (28655) Erincolfax
- (32393) Galinato
All asteroids named after someone called Erin
Also discovered on 19 April 1998
- (17848) Mordechai
- (20352) Pinakibose
- (20353) Gianotto
- (21482) Patashnick
- (21483) Abdulrasool
- (22603) Davidoconnor
- (23735) Cohen
- (31336) Chenyuhsin
- (33282) Arjunramani
- (42665) Kristinblock
- (136922) Brianbauer