(21818) Yurkanin Main-belt Asteroid
Discovered on 4 October 1999 by LINEAR at Socorro.
Alana Marie Yurkanin (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her zoology 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 Yurkanin is today
Seen from above the solar system on 2026-10-14: Yurkanin is 2.86 au from the Sun and 2.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21818 |
| Provisional designation | 1999 TJ32 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.19 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.84 – 3.20 au |
| Eccentricity | 0.0590 |
| Inclination | 2.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alana
All asteroids named after someone called Alana
Also discovered on 4 October 1999
- (13407) Ikukomakino
- (15093) Lestermackey
- (15509) Annejing
- (15510) Phoeberounds
- (16088) Jessgoldstein
- (17179) Codina
- (20626) Rider-Stokes
- (20638) Lingchen
- (20639) Michellouie
- (20641) Yenuanchen
- (20642) Laurajohnson
- (21804) Vaclavneumann