(28742) Hannahsteele Main-belt Asteroid
Discovered on 12 April 2000 by LINEAR at Socorro.
Hannah Mae Steele (b. 2000) is a finalist in the 2013 Broadcom MASTERS, a math and science competition for middle school students, for her earth and space sciences project. She attends the Bedford Middle School, Bedford, Virginia.Naming citation (MPC batch dated 2013-09-19), IAU / Minor Planet Center, via NASA/JPL
Where Hannahsteele is today
Seen from above the solar system on 2026-10-14: Hannahsteele is 2.60 au from the Sun and 2.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28742 |
| Provisional designation | 2000 GA137 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.42 km (#16,424 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.693 |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.18 – 2.60 au |
| Eccentricity | 0.0879 |
| Inclination | 7.14° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hannah
- (12885) Hannahguan
- (13246) Hannahshu
- (16117) Herbst
- (20069) Monyer
- (21695) Hannahwolf
- (26736) Rojeski
- (27520) Rounds
- (28571) Hannahlarson
- (29979) Wastyk
- (31399) Susorney
- (31641) Cevasco
- (33834) Hannahkaplan
All asteroids named after someone called Hannah
Also discovered on 12 April 2000
- (15613) Rajihyun
- (17253) VonSecker
- (23168) Lauriefletch
- (26629) Zahller
- (27500) Mandelbrot
- (28740) Nathansperry
- (31901) Amitscheer
- (31959) Keianacave