The asteroid 54 Alexandra
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From Cambridge , 54 Alexandra is visible in the morning sky, becoming accessible around 20:19, when it rises to an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 01:40, 68° above your southern horizon. It will be lost to dawn twilight around 05:19, 40° above your western horizon.
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Name
54 Alexandra
|
Object Type
Asteroid
|
Current Position
| Constellation: | Pisces |
| Magnitude: | 11.19 (V) [1] |
| Absolute mag (H): | 7.66 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 00h39m [1] |
| Declination: | +21°20' [1] |
| Distance: | 1.51 AU 12.57 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.71 AU |
| Eccentricity: | 0.197339 |
| Inclination: | 11.80° |
| Longitude ascending node: | 313.25° |
| Argument of perihelion: | 344.96° |
| Epoch of elements: | 27 April 2019 |
| Mean Anomaly at epoch: | 18.36° |
Derived quantities
| Perihelion: | 2.18 AU |
| Aphelion: | 3.25 AU |
| Orbital period: | 4.46 years |