86 Semele (Asteroid)
From South El Monte , 86 Semele is visible in the dawn sky, rising at 02:42 (PDT) – 3 hours and 50 minutes before the Sun – and reaching an altitude of 33° above the eastern horizon before fading from view as dawn breaks at around 05:33.
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Name
86 Semele
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Object type
Asteroid
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Current position
| Computed for: | 15 September 2025 |
| Right ascension: | 08h31m [1] |
| Declination: | +20°33' [1] |
| Constellation: | Cancer |
| Magnitude: | 14.44 (V) [1] |
| Distance: | 3.38 AU 28.13 lightmin [1] |
| Angular motion (speed): | 9.81 arcmin/day[1] |
| Angular motion (pos ang): | 279.7° |
Orbital elements [1]
| Semi-major axis: | 3.10 AU |
| Eccentricity: | 0.216821 |
| Inclination: | 4.82° |
| Longitude ascending node: | 86.07° |
| Argument of perihelion: | 309.07° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 9.90° |
| Absolute mag (H): | 8.71 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.43 AU |
| Aphelion: | 3.78 AU |
| Orbital period: | 5.47 years |