(21422) Alexacarey Main-belt Asteroid
Discovered on 24 March 1998 by LINEAR at Socorro.
Alexa A. Carey (b. 1989) was awarded first place in the 2006 Intel International Science and Engineering Fair for her environmental sciences project. She attends the Gold Beach High School, Gold Beach, Oregon, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alexacarey is today
Seen from above the solar system on 2026-10-14: Alexacarey is 2.25 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21422 |
| Provisional designation | 1998 FL78 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.71 km (#11,213 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.138 |
| Rotation period | 4.79 hours |
| Absolute magnitude (H) | 14.6 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 2.08 – 2.29 au |
| Eccentricity | 0.0495 |
| Inclination | 3.42° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alexa
All asteroids named after someone called Alexa
Also discovered on 24 March 1998
- (8747) Asahi
- (9123) Yoshiko
- (12062) Tilmanspohn
- (12503) Danielpeterson
- (12504) Nuest
- (16915) Bredthauer
- (16934) Kevinmeng
- (17777) Ornicar
- (18649) Fabrega
- (18689) Rodrick
- (19434) Bahuffman
- (19436) Marycole