458 Hercynia (Asteroid)
From South El Monte , 458 Hercynia is visible in the dawn sky, rising at 01:26 (PDT) and reaching an altitude of 49° above the eastern horizon before fading from view as dawn breaks at around 05:34.
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Name
458 Hercynia
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Object type
Asteroid
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Current position
| Computed for: | 16 September 2025 |
| Right ascension: | 06h56m [1] |
| Declination: | +13°01' [1] |
| Constellation: | Gemini |
| Magnitude: | 14.67 (V) [1] |
| Distance: | 2.46 AU 20.48 lightmin [1] |
| Angular motion (speed): | 15.26 arcmin/day[1] |
| Angular motion (pos ang): | 262.9° |
Orbital elements [1]
| Semi-major axis: | 2.99 AU |
| Eccentricity: | 0.243224 |
| Inclination: | 12.66° |
| Longitude ascending node: | 134.11° |
| Argument of perihelion: | 277.34° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 331.80° |
| Absolute mag (H): | 9.77 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.26 AU |
| Aphelion: | 3.72 AU |
| Orbital period: | 5.17 years |