113 Amalthea (Asteroid)

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From South El Monte , 113 Amalthea is not observable – it will reach its highest point in the sky during daytime and is no higher than 19° above the horizon at dusk.

Name 113 Amalthea
Object type Asteroid
Current position
Computed for:17 September 2025
Right ascension:15h19m [1]
Declination:−14°57' [1]
Constellation:Libra
Magnitude:13.45 (V) [1]
Distance:2.61 AU
21.73 lightmin [1]
Angular motion (speed):14.75 arcmin/day[1]
Angular motion (pos ang):286.9°
Orbital elements [1]
Semi-major axis:2.38 AU
Eccentricity:0.085962
Inclination:5.04°
Longitude ascending node:123.33°
Argument of perihelion:80.23°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:339.51°
Absolute mag (H):8.55 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.17 AU
Aphelion:2.58 AU
Orbital period:3.66 years

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