251 Sophia (Asteroid)
From South El Monte , 251 Sophia is visible all night. It will become visible at around 21:09 (PDT), 26° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:38, 49° above your southern horizon. It will be lost to dawn twilight at around 04:28, 22° above your south-western horizon.
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Name
251 Sophia
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Object type
Asteroid
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Current position
| Computed for: | 02 June 2025 |
| Right ascension: | 16h30m [1] |
| Declination: | −06°41' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 14.91 (V) [1] |
| Distance: | 2.39 AU 19.84 lightmin [1] |
| Angular motion (speed): | 12.89 arcmin/day[1] |
| Angular motion (pos ang): | 279.2° |
Orbital elements [1]
| Semi-major axis: | 3.10 AU |
| Eccentricity: | 0.093487 |
| Inclination: | 10.55° |
| Longitude ascending node: | 155.86° |
| Argument of perihelion: | 289.41° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 136.57° |
| Absolute mag (H): | 9.98 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.81 AU |
| Aphelion: | 3.39 AU |
| Orbital period: | 5.45 years |