The asteroid 129 Antigone
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From Seattle , 129 Antigone is visible in the dawn sky, rising at 00:45 (PDT) and reaching an altitude of 31° above the south-eastern horizon before fading from view as dawn breaks around 04:14.
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Name
129 Antigone
|
Object Type
Asteroid
|
Current Position
| Constellation: | Cetus |
| Magnitude: | 12.87 (V) [1] |
| Absolute mag (H): | 7.07 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 02h21m [1] |
| Declination: | +02°05' [1] |
| Distance: | 2.94 AU 24.46 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.87 AU |
| Eccentricity: | 0.212830 |
| Inclination: | 12.27° |
| Longitude ascending node: | 135.66° |
| Argument of perihelion: | 111.00° |
| Epoch of elements: | 27 March 2021 |
| Mean Anomaly at epoch: | 82.07° |
Derived quantities
| Perihelion: | 2.26 AU |
| Aphelion: | 3.48 AU |
| Orbital period: | 4.86 years |
Visibility from Seattle
All times shown in Seattle local time.