981 Martina
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| Discovery | |
|---|---|
| Discovered by | Sergei Belyavsky |
| Discovery site | Simeis |
| Discovery date | September 23, 1917 |
| Designations | |
| Alternative names | 1917 S92 |
| Orbital characteristics | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Aphelion | 3.726 AU |
| Perihelion | 2.464 AU |
| Semi-major axis | 3.095 AU |
| Eccentricity | 0.204 |
| Orbital period | 5.445 a |
| Mean anomaly | 49.810° |
| Inclination | 2.066° |
| Longitude of ascending node | 46.136° |
| Argument of perihelion | 299.570° |
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981 Martina is a Themistian asteroid.
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