(12306) Pebronstein Main-belt Asteroid
Discovered on 7 October 1991 by C. P. de Saint-Aignan at Palomar.
Peter Bronstein (b. 1947) is the father-in-law of the discoverer. An avid sailor, Bronstein is always happy to share his time and his boat with others.Naming citation (WGSBN Bull. 3, #13, 9), IAU / Minor Planet Center, via NASA/JPL
Where Pebronstein is today
Seen from above the solar system on 2026-10-14: Pebronstein is 2.71 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12306 |
| Provisional designation | 1991 TM14 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.04 km (#5,728 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Absolute magnitude (H) | 14.2 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.14 – 2.75 au |
| Eccentricity | 0.124 |
| Inclination | 3.71° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Peter
- (2382) Nonie
- (4314) Dervan
- (4507) Petercollins
- (5153) Gierasch
- (7527) Marples
- (7925) Shelus
- (8086) Peterthomas
- (8160) Petererwin
- (8280) Petergruber
- (8395) Rembaut
- (9207) Petersmith
- (9269) Peterolufemi
All asteroids named after someone called Peter
Also discovered on 7 October 1991
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- (19182) Pitz
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- (30850) Vonsiemens
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- (48471) Orchiston
- (52308) Hanspeterroser
- (52309) Philnicolai
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