431 Nephele (Asteroid)
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From South El Monte , 431 Nephele is visible in the dawn sky, rising at 01:22 (PDT) and reaching an altitude of 50° above the eastern horizon before fading from view as dawn breaks at around 05:34.
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Name
431 Nephele
|
Object type
Asteroid
|
Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 07h22m [1] |
| Declination: | +21°24' [1] |
| Constellation: | Gemini |
| Magnitude: | 15.36 (V) [1] |
| Distance: | 3.61 AU 30.02 lightmin [1] |
| Angular motion (speed): | 7.91 arcmin/day[1] |
| Angular motion (pos ang): | 276.1° |
Orbital elements [1]
| Semi-major axis: | 3.14 AU |
| Eccentricity: | 0.170828 |
| Inclination: | 1.83° |
| Longitude ascending node: | 117.17° |
| Argument of perihelion: | 217.69° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 58.25° |
| Absolute mag (H): | 9.10 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.60 AU |
| Aphelion: | 3.68 AU |
| Orbital period: | 5.56 years |
Visibility from South El Monte
All times shown in South El Monte local time.