129 Antigone (Asteroid)
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From South El Monte , 129 Antigone is visible in the dawn sky, rising at 02:07 (PDT) – 3 hours and 37 minutes before the Sun – and reaching an altitude of 29° above the eastern horizon before fading from view as dawn breaks at around 04:33.
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Name
129 Antigone
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Object type
Asteroid
|
Current position
| Computed for: | 07 July 2026 |
| Right ascension: | 02h31m [1] |
| Declination: | +04°02' [1] |
| Constellation: | Cetus |
| Magnitude: | 13.14 (V) [1] |
| Distance: | 3.44 AU 28.63 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.87 AU |
| Eccentricity: | 0.213157 |
| Inclination: | 12.27° |
| Longitude ascending node: | 135.66° |
| Argument of perihelion: | 110.48° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 108.27° |
| Absolute mag (H): | 7.02 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.26 AU |
| Aphelion: | 3.48 AU |
| Orbital period: | 4.86 years |
Source
Visibility from South El Monte
All times shown in South El Monte local time.