230 Athamantis (Asteroid)
From South El Monte , 230 Athamantis will become visible at around 17:48 (PST), 28° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 42 minutes after the Sun at 20:25.
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Name
230 Athamantis
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Object type
Asteroid
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Current position
| Computed for: | 15 December 2025 |
| Right ascension: | 20h38m [1] |
| Declination: | −10°36' [1] |
| Constellation: | Aquarius |
| Magnitude: | 12.54 (V) [1] |
| Distance: | 2.85 AU 23.68 lightmin [1] |
| Angular motion (speed): | 13.11 arcmin/day[1] |
| Angular motion (pos ang): | 252.4° |
Orbital elements [1]
| Semi-major axis: | 2.38 AU |
| Eccentricity: | 0.061253 |
| Inclination: | 9.46° |
| Longitude ascending node: | 239.77° |
| Argument of perihelion: | 139.11° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 227.22° |
| Absolute mag (H): | 7.53 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.24 AU |
| Aphelion: | 2.53 AU |
| Orbital period: | 3.68 years |