161 Athor (Asteroid)
From South El Monte , 161 Athor is visible in the dawn sky, rising at 03:13 (PDT) – 3 hours and 22 minutes before the Sun – and reaching an altitude of 26° above the eastern horizon before fading from view as dawn breaks at around 05:35.
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Name
161 Athor
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Object type
Asteroid
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Current position
| Computed for: | 18 September 2025 |
| Right ascension: | 09h21m [1] |
| Declination: | +22°46' [1] |
| Constellation: | Leo |
| Magnitude: | 14.92 (V) [1] |
| Distance: | 3.39 AU 28.18 lightmin [1] |
| Angular motion (speed): | 9.52 arcmin/day[1] |
| Angular motion (pos ang): | 291.8° |
Orbital elements [1]
| Semi-major axis: | 2.38 AU |
| Eccentricity: | 0.136886 |
| Inclination: | 9.05° |
| Longitude ascending node: | 18.53° |
| Argument of perihelion: | 295.19° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 101.03° |
| Absolute mag (H): | 9.32 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.05 AU |
| Aphelion: | 2.71 AU |
| Orbital period: | 3.67 years |