57 Mnemosyne (Asteroid)
From South El Monte , 57 Mnemosyne is visible in the dawn sky, rising at 23:43 (PDT) and reaching an altitude of 50° above the southern horizon before fading from view as dawn breaks at around 04:56.
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Name
57 Mnemosyne
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Object type
Asteroid
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Current position
| Computed for: | 01 May 2026 |
| Right ascension: | 19h18m [1] |
| Declination: | −04°54' [1] |
| Constellation: | Aquila |
| Magnitude: | 12.79 (V) [1] |
| Distance: | 2.91 AU 24.23 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.16 AU |
| Eccentricity: | 0.108041 |
| Inclination: | 15.23° |
| Longitude ascending node: | 198.89° |
| Argument of perihelion: | 210.99° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 205.17° |
| Absolute mag (H): | 6.94 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.81 AU |
| Aphelion: | 3.50 AU |
| Orbital period: | 5.61 years |