The asteroid 128 Nemesis
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From Cambridge , 128 Nemesis is visible in the morning sky, becoming accessible around 23:16, when it rises to an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:52, 56° above your southern horizon. It will be lost to dawn twilight around 05:59, 46° above your south-western horizon.
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Name
128 Nemesis
|
Object Type
Asteroid
|
Current Position
| Constellation: | Virgo |
| Magnitude: | 12.92 (V) [1] |
| Absolute mag (H): | 7.80 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 12h00m [1] |
| Declination: | +08°35' [1] |
| Distance: | 2.36 AU 19.63 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.127515 |
| Inclination: | 6.25° |
| Longitude ascending node: | 76.24° |
| Argument of perihelion: | 303.68° |
| Epoch of elements: | 13 November 2019 |
| Mean Anomaly at epoch: | 115.29° |
Derived quantities
| Perihelion: | 2.40 AU |
| Aphelion: | 3.10 AU |
| Orbital period: | 4.56 years |