285 Regina

285 Regina
Discovery
Discovered by	Auguste Charlois
Discovery date	August 3, 1889
Designations
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	557.344 Gm (3.726 AU)
Perihelion	364.664 Gm (2.438 AU)
Semi-major axis	461.004 Gm (3.082 AU)
Eccentricity	0.209
Orbital period	1975.873 d (5.41 a)
Average orbital speed	16.97 km/s
Mean anomaly	91.705°
Inclination	17.621°
Longitude of ascending node	311.449°
Argument of perihelion	15.172°
Physical characteristics
Dimensions	45.0 km
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	unknown
Albedo	unknown
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	10.5

285 Regina is typical, although fairly large Main belt asteroid.^[1] It was discovered by Auguste Charlois on August 3, 1889 in Nice.

References

↑ "JPL Small-Body Database Browser". JPL. Retrieved 6 April 2015.

External links

285 Regina at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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