(18812) Aliadler Main-belt Asteroid
Discovered on 18 May 1999 by LINEAR at Socorro.
Alexandra Raisa Adler (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her gerontology project. She attends the Horace Greeley High School, Chappaqua, New York, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Aliadler is today
Seen from above the solar system on 2026-10-14: Aliadler is 2.58 au from the Sun and 2.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18812 |
| Provisional designation | 1999 KT13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.49 km (#11,644 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.167 |
| Rotation period | 8.23 hours |
| Absolute magnitude (H) | 13.91 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.07 – 2.66 au |
| Eccentricity | 0.125 |
| Inclination | 6.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alexandra
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- (23162) Alexcrook
- (23178) Ghaben
- (31627) Ulmera
- (34079) Samoylova
- (127955) Alexandraradu
- (333134) Alexandrahilbert
- (404016) Alexandralabenz
All asteroids named after someone called Alexandra
Also discovered on 18 May 1999
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- (18026) Juliabaldwin
- (18027) Gokcay
- (18028) Ramchandani
- (19568) Rachelmarie
- (25333) Britwenger
- (29972) Chriswan
- (31787) Darcylawson
- (33696) Crouchley
- (33699) Jessiegan
- (33700) Gluckman
- (33701) Gotthold