(25309) Chrisauer Main-belt Asteroid
Discovered on 15 December 1998 by LINEAR at Socorro.
Christopher Peterson Sauer (b. 1995) is a finalist in the 2008 Society for Science and the Public middle school science competition, for his engineering project. He attends the Corte Madera School, Portola Valley, California.Naming citation (20090111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chrisauer is today
Seen from above the solar system on 2026-10-14: Chrisauer is 2.59 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25309 |
| Provisional designation | 1998 XQ87 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.64 km (#13,600 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.176 |
| Absolute magnitude (H) | 14.79 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.87 – 2.61 au |
| Eccentricity | 0.164 |
| Inclination | 1.75° |
| Closest distance between its orbit and Earth's (MOID) | 0.875 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Christopher
- (5382) McKay
- (7024) Impey
- (7923) Chyba
- (9541) Magri
- (11713) Stubbs
- (12665) Chriscarson
- (12868) Onken
- (13609) Lewicki
- (14179) Skinner
- (15851) Chrisfleming
- (17815) Kulawik
- (17908) Chriskuyu
All asteroids named after someone called Christopher
Also discovered on 15 December 1998
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- (11395) Iphinous
- (11397) Eriopis
- (14189) Sevre
- (14190) Soldan
- (21601) Aias
- (26345) Gedankien
- (28196) Szeged
- (29674) Rausal
- (29675) Ippolitonievo
- (29687) Mohdreza
- (29690) Nistala