The asteroid 129 Antigone
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From Cambridge , 129 Antigone is not observable – it will reach its highest point in the sky during daytime and is no higher than 21° above the horizon at dawn.
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|
Name
129 Antigone
|
Object Type
Asteroid
|
Current Position
| Constellation: | Ophiuchus |
| Magnitude: | 12.19 (V) [1] |
| Absolute mag (H): | 7.20 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 17h02m [1] |
| Declination: | -13°19' [1] |
| Distance: | 2.88 AU 23.99 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.87 AU |
| Eccentricity: | 0.212127 |
| Inclination: | 12.27° |
| Longitude ascending node: | 135.68° |
| Argument of perihelion: | 111.26° |
| Epoch of elements: | 13 November 2019 |
| Mean Anomaly at epoch: | 340.49° |
Derived quantities
| Perihelion: | 2.26 AU |
| Aphelion: | 3.48 AU |
| Orbital period: | 4.86 years |