(65191) Janespencer Main-belt Asteroid
Discovered on 6 February 2002 by M. W. Buie at Kitt Peak.
Jane Ellen Burgess Spencer (b. 1951) is an American gardener and retired teacher, who has provided decades of moral and practical support as the beloved spouse of planetary scientist John Spencer and as a friend to many colleagues in the field. She was co-discoverer, with her husband, of a major volcanic eruption on Io in 1995 (IAUC 6149).Naming citation (WGSBN Bull. 6, #10, 10), IAU / Minor Planet Center, via NASA/JPL
Where Janespencer is today
Seen from above the solar system on 2026-10-14: Janespencer is 3.22 au from the Sun and 4.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 65191 |
| Provisional designation | 2002 CR257 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.85 km (#7,824 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0340 |
| Rotation period | 5.46 hours |
| Absolute magnitude (H) | 14.92 |
| Orbital period | 5.63 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.58 – 3.74 au |
| Eccentricity | 0.183 |
| Inclination | 0.354° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jane
- (7175) Janegoodall
- (10043) Janegann
- (15099) Janestrohm
- (19630) Janebell
- (22338) Janemojo
- (24277) Schoch
- (25988) Janesuh
- (27314) Janemcdonald
- (28318) Janecox
- (28465) Janesmyth
- (39415) Janeausten
- (117020) Janeconlin
All asteroids named after someone called Jane
Also discovered on 6 February 2002
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- (172090) Davidmccomas
- (188139) Stanbridge
- (201019) Oliverwhite
- (217124) Michaelsalinas
- (219861) Robertdecker
- (228633) Stevegribbin