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Discovery
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| Discovered by | Charles de Saint-Aignan |
| Discovery date | October 7, 1991 |
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Designations
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| Alternate name(s) | 1991 TM14 |
| Minor planet category |
Main belt |
| Epoch September 22, 2006 (JD 2454000.5) | |
| Aphelion | 2.740 AU |
| Perihelion | 2.150 AU |
| Semi-major axis | 2.445 AU |
| Eccentricity | 0.120 |
| Orbital period | 1397.013 d (3.82 a) |
| Average orbital speed | unknown |
| Mean anomaly | 123.927° |
| Inclination | 3.712° |
| Longitude of ascending node | 119.856° |
| Argument of perihelion | 88.764° |
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Physical characteristics
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| Dimensions | unknown |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 13.9 |
Contents |
The asteroid 12306 Pebronstein is a main belt asteroid discovered by Charles de Saint-Aignan at Lowell Observatory, examining films taken at Palomar.
Peter Bronstein (b. 1947) is father in-law of the discoverer. An avid sailor, Bronstein is always happy to share his time and his boat with others †
This orbital diagram is courtesy of the JPL Small-Body Database Browser
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