(28820) Sylrobertson Main-belt Asteroid
Discovered on 7 May 2000 by LINEAR at Socorro.
Sylvia Robertson mentored a finalist in the 2013 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Bedford Middle School, Bedford, Virginia.Naming citation (MPC batch dated 2013-09-19), IAU / Minor Planet Center, via NASA/JPL
Where Sylrobertson is today
Seen from above the solar system on 2026-10-14: Sylrobertson is 2.22 au from the Sun and 1.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28820 |
| Provisional designation | 2000 JJ24 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.71 km (#13,429 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.121 |
| Absolute magnitude (H) | 15.66 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.20 – 2.40 au |
| Eccentricity | 0.0423 |
| Inclination | 8.99° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 May 2000
- (15635) Andrewhager
- (16262) Rikurtz
- (16264) Richlee
- (16265) Lemay
- (16266) Johconnell
- (16267) Mcdermott
- (16268) Mcneeley
- (16269) Merkord
- (16276) Virginiama
- (18088) Roberteunice
- (20765) Yifeijiao
- (22102) Karenlamb