12306 Pebronstein

**12306 Pebronstein**
Discovery ^A

Discoverer	Charles de Saint-Aignan
Discovery date	October 7, 1991
Alternate designations ^B	1991 TM₁₄
Category	Main belt
Orbital elements ^C
Epoch September 22, 2006 (JD 2454000.5)
Eccentricity (e)	0.120
Semi-major axis (a)	2.445 AU
Perihelion (q)	2.150 AU
Aphelion (Q)	2.740 AU
Orbital period (P)	1397.013 d (3.82 a)
Mean orbital speed	unknown
Inclination (i)	3.712°
Longitude of the ascending node (Ω)	119.856°
Argument of perihelion (ω)	88.764°
Mean anomaly (M)	123.927°
Physical characteristics ^D
Dimensions	unknown
Mass	unknown
Density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	unknown
Spectral class	unknown
Absolute magnitude	13.9
Albedo (geometric)	unknown
Mean surface temperature	unknown
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General

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