1272 Gefion
| Discovery[1] | |
|---|---|
| Discovered by | Reinmuth, K. |
| Discovery site | Heidelberg |
| Discovery date | 10 October 1931 |
| Designations | |
| MPC designation | 1272 |
Named after | Gefjon |
|
1931 TZ1, A917 SF[1] | |
| main belt, gefion family | |
| Adjectives | Gefionian |
| Orbital characteristics[1][2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.48 yr (30856 days) |
| Aphelion | 3.2076212 AU (479.85330 Gm) |
| Perihelion | 2.3579254 AU (352.74062 Gm) |
| 2.7827733 AU (416.29696 Gm) | |
| Eccentricity | 0.1526707 |
| 4.64 yr (1695.6 d) | |
| 130.34895° | |
| 0° 12m 44.346s / day | |
| Inclination | 8.421912° |
| 321.56560° | |
| 3.745104° | |
| Earth MOID | 1.34537 AU (201.264 Gm) |
| Jupiter MOID | 2.11244 AU (316.017 Gm) |
| Jupiter Tisserand parameter | 3.300 |
| Physical characteristics | |
| 3.0866 h (0.12861 d) | |
| SI (SMASSII)[1] | |
| 12.9[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 "1272 Gefion (1931 TZ1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 28 April 2016.
- ↑ AstDys-2 on 1272 Gefion Retrieved 2011-09-22
External links
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