The asteroid 129 Antigone
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From Ashburn , 129 Antigone is visible in the evening sky, becoming accessible around 17:56 (EST), 29° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:53, 45° above your southern horizon. It will continue to be observable until around 00:35, when it sinks below 21° above your south-western horizon.
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Name
129 Antigone
|
Object Type
Asteroid
|
Current Position
| Constellation: | Cetus |
| Magnitude: | 12.61 (V) [1] |
| Absolute mag (H): | 7.07 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 01h40m [1] |
| Declination: | -05°50' [1] |
| Distance: | 2.67 AU 22.17 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 Ashburn
All times shown in Ashburn local time.