(21750) Tartakahashi Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Taryn Mahealani Takahashi (b. 1988) was awarded second place in the 2005 Intel International Science and Engineering Fair for her microbiology team project. She attends the Henry Perrine Baldwin High School, Wailuku, Hawaii, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tartakahashi is today
Seen from above the solar system on 2026-10-14: Tartakahashi is 2.08 au from the Sun and 1.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21750 |
| Provisional designation | 1999 RG173 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.76 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.98 – 2.49 au |
| Eccentricity | 0.114 |
| Inclination | 6.28° |
| Closest distance between its orbit and Earth's (MOID) | 0.998 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12598) Sierra