5439 Couturier
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| Discovery and designation | |
|---|---|
| Discovered by | H. E. Holt |
| Discovery site | Palomar |
| Discovery date | September 14, 1990 |
| Designations | |
| MPC designation | 5439 |
| Alternative names | 1990 RW |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 4.5812847 |
| Perihelion | 3.3203027 |
| Eccentricity | 0.1595859 |
| Orbital period | 2868.3026031 |
| Mean anomaly | 103.46016 |
| Inclination | 1.23578 |
| Longitude of ascending node | 351.66918 |
| Argument of perihelion | 330.12091 |
| Physical characteristics | |
| Geometric albedo | 0.0358 |
| Absolute magnitude (H) | 11.70 |
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5439 Couturier (1990 RW) is an outer main-belt asteroid discovered on September 14, 1990 by H. E. Holt at Palomar.
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