287 Nephthys
| Discovery | |
|---|---|
| Discovered by | C. H. F. Peters |
| Discovery date | 25 August 1889 |
| Designations | |
| MPC designation | (287) Nephthys |
|
Named after
|
Nephthys |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 119.35 yr (43594 d) |
| Aphelion | 2.4080 AU (360.23 Gm) |
| Perihelion | 2.29814 AU (343.797 Gm) |
| 2.3531 AU (352.02 Gm) | |
| Eccentricity | 0.023344 |
| 3.61 yr (1318.4 d) | |
|
Average orbital speed
|
19.42 km/s |
| 125.74° | |
| 0° 16m 23.016s / day | |
| Inclination | 10.034° |
| 142.381° | |
| 121.02° | |
| Earth MOID | 1.29505 AU (193.737 Gm) |
| Jupiter MOID | 2.61483 AU (391.173 Gm) |
| Jupiter Tisserand parameter | 3.535 |
| Physical characteristics | |
| Dimensions | 67.60±1.4 km |
| 7.605 h (0.3169 d) | |
| 0.1851±0.008 | |
| S | |
| 8.30, 8.26 | |
287 Nephthys is a large Main belt asteroid that was discovered by German-American astronomer C. H. F. Peters on August 25, 1889, in Clinton, New York and named after Nephthys in Egyptian mythology. It is classified as an S-type asteroid.
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