The asteroid 287 Nephthys
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From Cambridge , 287 Nephthys will become visible around 17:55 (EST) as the dusk sky fades, 31° above your south-western horizon. It will then sink towards the horizon, setting at 21:18.
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|
Name
287 Nephthys
|
Object Type
Asteroid
|
Current Position
| Constellation: | Cetus |
| Magnitude: | 13.30 (V) [1] |
| Absolute mag (H): | 8.20 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 00h01m [1] |
| Declination: | -07°39' [1] |
| Distance: | 2.76 AU 22.95 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.35 AU |
| Eccentricity: | 0.023172 |
| Inclination: | 10.04° |
| Longitude ascending node: | 142.33° |
| Argument of perihelion: | 118.89° |
| Epoch of elements: | 13 November 2019 |
| Mean Anomaly at epoch: | 95.60° |
Derived quantities
| Perihelion: | 2.30 AU |
| Aphelion: | 2.41 AU |
| Orbital period: | 3.61 years |