431 Nephele (Asteroid)

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From South El Monte , 431 Nephele is visible in the morning sky, becoming accessible around 21:32, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:38, 76° above your southern horizon. It will be lost to dawn twilight around 05:38, 48° above your western horizon.

Name 431 Nephele
Object type Asteroid
Current position
Computed for:07 December 2025
Right ascension:07h52m [1]
Declination:+20°25' [1]
Constellation:Gemini
Magnitude:14.55 (V) [1]
Distance:2.62 AU
21.83 lightmin [1]
Angular motion (speed):10.92 arcmin/day[1]
Angular motion (pos ang):278.9°
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

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