1272 Gefion

Gefion
Discovery^[1]
Discovered by	Reinmuth, K.
Discovery site	Heidelberg
Discovery date	10 October 1931
Designations
MPC designation	1272
Named after	Gefjon
Alternative names	1931 TZ₁, A917 SF^[1]
Minor planet category	main belt, gefion family
Adjectives	Gefionian
Orbital characteristics^[1]^[2]
Epoch August 27, 2011 (JD 2455800.5)
Aphelion	3.2090037 AU
Perihelion	2.3555705 AU
Semi-major axis	2.7822871 AU
Eccentricity	0.1533690
Orbital period	4.6409951 yr (1695.1235 d)
Mean anomaly	107.73940°
Inclination	8.42341°
Longitude of ascending node	321.58865°
Argument of perihelion	4.19188°
Physical characteristics
Spectral type	SI (SMASSII)^[1]
Absolute magnitude (H)	12.8^[1]

1272 Gefion (1931 TZ₁) is an asteroid from the asteroid belt discovered on 10 October 1931 by Reinmuth, K. at Heidelberg.

The Gefion family is named after Gefion, because it has the lowest number of any one of its members.

References

1 2 3 4 5 JPL Small-Body Database Browser on 1272 Gefion Retrieved 2011-09-22
↑ AstDys-2 on 1272 Gefion Retrieved 2011-09-22

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1271 Isergina 1272 Gefion 1273 Helma

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