287 Nephthys (Asteroid)
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From South El Monte , 287 Nephthys is visible in the dawn sky, rising at 03:07 (PDT) – 3 hours and 42 minutes before the Sun – and reaching an altitude of 28° above the south-eastern horizon before fading from view as dawn breaks at around 05:50.
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Name
287 Nephthys
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Object type
Asteroid
|
Current position
| Computed for: | 23 March 2026 |
| Right ascension: | 19h43m [1] |
| Declination: | −14°00' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 13.16 (V) [1] |
| Distance: | 2.49 AU 20.74 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.35 AU |
| Eccentricity: | 0.023712 |
| Inclination: | 10.03° |
| Longitude ascending node: | 142.23° |
| Argument of perihelion: | 122.63° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 332.64° |
| Absolute mag (H): | 8.26 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.30 AU |
| Aphelion: | 2.41 AU |
| Orbital period: | 3.61 years |
Visibility from South El Monte
All times shown in South El Monte local time.