(28129) Teresummers Main-belt Asteroid
Discovered on 26 September 1998 by LINEAR at Socorro.
Teresa Summers mentored a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Manchester Middle School, Richmond, Virginia.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Teresummers is today
Seen from above the solar system on 2026-10-14: Teresummers is 2.48 au from the Sun and 1.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28129 |
| Provisional designation | 1998 SF121 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.51 km (#13,944 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.329 |
| Absolute magnitude (H) | 14.43 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.14 – 2.49 au |
| Eccentricity | 0.0768 |
| Inclination | 4.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Teresa
- (10736) Marybruck
- (19477) Teresajentz
- (24084) Teresaswiger
- (42295) Teresateng
- (133753) Teresamullen
- (300933) Teresamarion
- (342864) Teresamateo
All asteroids named after someone called Teresa
Also discovered on 26 September 1998
- (10237) Adzic
- (10238) Ananyakarthik
- (11380) Amolsingh
- (11382) Juliasitu
- (12915) Rinoliver
- (13336) Jillpernell
- (13337) Sampath
- (13339) Williamsmith
- (13341) Kellysweeney
- (13343) Annietaylor
- (13344) Upenieks
- (13346) Danielmiller