984 Gretia
From Infogalactic: the planetary knowledge core
A three-dimensional model of 984 Gretia based on its light curve.
|
|
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg |
| Discovery date | 1922-08-27 |
| Designations | |
| 1922 MH | |
Main belt  |
|
| Orbital characteristics[1] | |
| Epoch 2455000.5 (2009-Jun-18.0) |
|
| Aphelion | 3.3545319 AU |
| Perihelion | 2.2559173 AU |
| 2.8052246 AU | |
| Eccentricity | 0.1958158 |
| 1716.1288367 day 4.70 year |
|
| 154.84845° | |
| Inclination | 9.08580° |
| 314.32814° | |
| 55.88676° | |
| Physical characteristics | |
| Dimensions | 31.91 km[1] |
|
Sidereal rotation period
|
5.781 h[1] |
| Albedo | 0.4239[1] |
|
Spectral type
|
Sr[1] |
| 9.03[1] | |
984 Gretia is a main belt asteroid orbiting the Sun. It orbits about twice as far out as Mars and takes 4.7 years to orbit the Sun.[1]
External links
References
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