(21623) Albertshieh Main-belt Asteroid
Discovered on 9 June 1999 by LINEAR at Socorro.
Albert David Shieh (b. 1989) was awarded second place in the 2006 Intel International Science and Engineering Fair for his biochemistry project. He attends the Chaparral High School, Scottsdale, Arizona, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Albertshieh is today
Seen from above the solar system on 2026-10-14: Albertshieh is 2.54 au from the Sun and 1.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21623 |
| Provisional designation | 1999 LS24 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.83 km (#13,152 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.332 |
| Absolute magnitude (H) | 14.06 |
| Orbital period | 3.68 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.17 – 2.60 au |
| Eccentricity | 0.0887 |
| Inclination | 3.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Albert
- (3984) Chacos
- (7548) Engstrom
- (7928) Bijaoui
- (8022) Scottcrossfield
- (9699) Baumhauer
- (10218) Bierstadt
- (10950) Albertjansen
- (10974) Carolalbert
- (12696) Camus
- (13298) Namatjira
- (15619) Albertwu
- (16142) Leung
All asteroids named after someone called Albert
Also discovered on 9 June 1999
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- (17162) Nithinkavi
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- (19573) Cummings
- (19574) Davidedwards
- (19575) Feeny
- (19577) Bobbyfisher
- (20454) Pedrajo
- (20455) Pennell
- (20458) Koshkin
- (20459) Krzysztoflangner
- (21622) Victorshia