113 Amalthea (Asteroid)
From South El Monte , 113 Amalthea is visible in the dawn sky, rising at 02:16 (PDT) – 3 hours and 27 minutes before the Sun – and reaching an altitude of 26° above the south-eastern horizon before fading from view as dawn breaks at around 04:35.
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Name
113 Amalthea
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Object type
Asteroid
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Current position
| Computed for: | 22 May 2026 |
| Right ascension: | 23h08m [1] |
| Declination: | −07°15' [1] |
| Constellation: | Aquarius |
| Magnitude: | 13.60 (V) [1] |
| Distance: | 2.51 AU 20.84 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.38 AU |
| Eccentricity: | 0.086166 |
| Inclination: | 5.04° |
| Longitude ascending node: | 123.32° |
| Argument of perihelion: | 80.25° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 60.21° |
| Absolute mag (H): | 8.54 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.17 AU |
| Aphelion: | 2.58 AU |
| Orbital period: | 3.66 years |