The asteroid 57 Mnemosyne
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From Ashburn , 57 Mnemosyne is visible in the dawn sky, rising at 02:40 (EDT) – 3 hours and 42 minutes before the Sun – and reaching an altitude of 28° above the south-eastern horizon before fading from view as dawn breaks around 05:14.
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Name
57 Mnemosyne
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Object Type
Asteroid
|
Current Position
| Constellation: | Aquarius |
| Magnitude: | 13.11 (V) [1] |
| Absolute mag (H): | 7.00 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 21h37m [1] |
| Declination: | -00°12' [1] |
| Distance: | 3.45 AU 28.70 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 3.16 AU |
| Eccentricity: | 0.111196 |
| Inclination: | 15.20° |
| Longitude ascending node: | 199.03° |
| Argument of perihelion: | 210.26° |
| Epoch of elements: | 27 March 2021 |
| Mean Anomaly at epoch: | 266.91° |
Derived quantities
| Perihelion: | 2.81 AU |
| Aphelion: | 3.51 AU |
| Orbital period: | 5.61 years |
Visibility from Ashburn
All times shown in Ashburn local time.