The asteroid 57 Mnemosyne
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.
Name
57 Mnemosyne
|
Object Type
Asteroid
|
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] |
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° |
Perihelion: | 2.81 AU |
Aphelion: | 3.51 AU |
Orbital period: | 5.61 years |
All times shown in Ashburn local time.