2312 Duboshin

2312 Duboshin

Discovery [1]
Discovered by	N. Chernykh
Discovery site	CrAO (Nauchnyj)
Discovery date	1 April 1976
Designations
MPC designation	2312 Duboshin
Named after	Georgij Duboshin[2]
Alternative names	1976 GU2 · 1943 DH 1971 QJ · 1972 TJ7 1973 YE2 · 1975 CF 1976 JN
Minor planet category	main-belt (outer)
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	73.06 yr (26684 days)
Aphelion	4.5826 AU (685.55 Gm)
Perihelion	3.3543 AU (501.80 Gm)
Semi-major axis	3.9685 AU (593.68 Gm)
Eccentricity	0.15475
Orbital period	7.91 yr (2887.6 d)
Mean anomaly	150.08°
Mean motion	0° 7^m 28.812^s / day
Inclination	5.1609°
Longitude of ascending node	61.460°
Argument of perihelion	342.14°
Earth MOID	2.3627 AU (353.45 Gm)
Jupiter MOID	0.827079 AU (123.7293 Gm)
Jupiter Tisserand parameter	3.030
Physical characteristics
Dimensions	54.9 km
Mean radius	27.47 ± 1.55 km
Geometric albedo	0.0496 ± 0.006
Spectral type	BV = 0.739 mag UB = 0.246 mag tholen = D
Absolute magnitude (H)	10.18

2312 Duboshin, provisional designation 1976 GU₂, is a 55-klilometer sized outer main-belt asteroid discovered on April 1, 1976 by Nikolai Chernykh at Nauchnyj Observatory in Crimea.^[1]

It is named after astronomer Georgij Nikolaevich Duboshin {1904–1986}, distinguished authority on celestial mechanics, author of several textbooks, president of IAU Commission 7, Celestial Mechanics and Dynamical Astronomy, from 1970 to 1973.^[2]

References

1. "JPL Small-Body Database Browser: 2312 Duboshin (1976 GU2)" (2015-05-31 last obs.). Jet Propulsion Laboratory. Retrieved 15 April 2016.
2. "Dictionary of Minor Planet Names – (2312) Duboshin". Springer Berlin Heidelberg. 2007. p. 188. Retrieved October 2015.

External links

• "2312 Duboshin (1976 GU2)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2002312.
• 2312 Duboshin at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters