57 Mnemosyne (Asteroid)
From South El Monte , 57 Mnemosyne is not observable – it will reach its highest point in the sky during daytime and is 3° below the horizon at dawn.
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Name
57 Mnemosyne
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Object type
Asteroid
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Current position
| Computed for: | 11 December 2025 |
| Right ascension: | 16h54m [1] |
| Declination: | −12°54' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 13.22 (V) [1] |
| Distance: | 4.42 AU 36.79 lightmin [1] |
| Angular motion (speed): | 6.83 arcmin/day[1] |
| Angular motion (pos ang): | 267.9° |
Orbital elements [1]
| Semi-major axis: | 3.15 AU |
| Eccentricity: | 0.108336 |
| Inclination: | 15.23° |
| Longitude ascending node: | 198.90° |
| Argument of perihelion: | 210.92° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 152.49° |
| Absolute mag (H): | 6.98 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.81 AU |
| Aphelion: | 3.50 AU |
| Orbital period: | 5.60 years |