(7091) Maryfields Main-belt Asteroid
Discovered on 1 May 1992 by Lawrence, K. J., Helin, E. F. at Palomar.
‘Stagecoach’ Mary Fields (c. 1832–1914) was an African-American folk hero and trailblazer. She was a mail carrier in Montana in her 60's, braving harsh weather but never missing a day. Loved by her community, her birthday was a local holiday. She refused to be limited by social norms or laws.Naming citation (WGSBN Bull. 2, #11, 6), IAU / Minor Planet Center, via NASA/JPL
Where Maryfields is today
Seen from above the solar system on 2026-10-14: Maryfields is 2.70 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7091 |
| Provisional designation | 1992 JA |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.21 km (#10,220 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.333 |
| Absolute magnitude (H) | 13.35 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 1.87 – 2.82 au |
| Eccentricity | 0.201 |
| Inclination | 24.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.893 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mary
- (4793) Slessor
- (5595) Roth
- (6603) Marycragg
- (7958) Leakey
- (9824) Marylea
- (10870) Gwendolen
- (11369) Brazelton
- (12590) Ballantine
- (12627) Maryedwards
- (12628) Acworthorr
- (13412) Guerrieri
- (15107) Toepperwein
All asteroids named after someone called Mary
More named asteroids discovered by Lawrence, K. J., Helin, E. F.
← (7088) Ishtar · (7092) Cadmus →