57 Mnemosyne (Asteroid)
From South El Monte , 57 Mnemosyne is visible in the morning sky, becoming accessible around 21:40, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:49, 54° above your southern horizon. It will be lost to dawn twilight around 04:27, 38° above your south-western horizon.
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Name
57 Mnemosyne
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Object type
Asteroid
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Current position
| Computed for: | 23 June 2026 |
| Right ascension: | 19h03m [1] |
| Declination: | −01°11' [1] |
| Constellation: | Aquila |
| Magnitude: | 12.01 (V) [1] |
| Distance: | 2.40 AU 19.93 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.16 AU |
| Eccentricity: | 0.107867 |
| Inclination: | 15.23° |
| Longitude ascending node: | 198.88° |
| Argument of perihelion: | 210.99° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 240.32° |
| Absolute mag (H): | 6.94 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.82 AU |
| Aphelion: | 3.50 AU |
| Orbital period: | 5.61 years |
Source