(22571) Letianzhang Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Letian Zhang (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his mathematics project. He attends the Illinois Mathematics & Science Academy, Aurora, Illinois.Naming citation (20060314/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Letianzhang is today
Seen from above the solar system on 2026-10-14: Letianzhang is 2.19 au from the Sun and 1.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22571 |
| Provisional designation | 1998 HA39 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.09 km (#14,999 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0940 |
| Absolute magnitude (H) | 15.62 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.97 – 2.51 au |
| Eccentricity | 0.122 |
| Inclination | 4.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.985 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 April 1998
- (9461) Cotingkeh
- (9463) Criscione
- (11706) Rijeka
- (11710) Nataliehale
- (12086) Joshualevine
- (12087) Tiffanylin
- (12088) Macalintal
- (12089) Maichin
- (12514) Schommer
- (12516) Karenyoung
- (12855) Tewksbury
- (16944) Wangler