(25492) Firnberg Main-belt Asteroid
Discovered on 7 December 1999 by LINEAR at Socorro.
Anat Firnberg mentored a finalist in the 2009 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Tenafly High School, Tenafly, New Jersey.Naming citation (20090311/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Firnberg is today
Seen from above the solar system on 2026-10-14: Firnberg is 1.87 au from the Sun and 0.936 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25492 |
| Provisional designation | 1999 XF85 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.19 km (#10,273 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Absolute magnitude (H) | 15.55 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.82 – 2.72 au |
| Eccentricity | 0.198 |
| Inclination | 1.46° |
| Closest distance between its orbit and Earth's (MOID) | 0.814 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 December 1999
- (13438) Marthanalexander
- (13845) Jillburnett
- (13848) Cioffi
- (13849) Dunn
- (13850) Erman
- (13852) Ford
- (13853) Jenniferfritz
- (14225) Alisahamilton
- (14226) Hamura
- (14230) Mariahines
- (14679) Susanreed
- (16118) Therberens