458 Hercynia (Asteroid)
From South El Monte , 458 Hercynia will become visible at around 20:59 (PDT), 40° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:22.
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Name
458 Hercynia
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Object type
Asteroid
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Current position
| Computed for: | 21 May 2026 |
| Right ascension: | 08h25m [1] |
| Declination: | +20°57' [1] |
| Constellation: | Cancer |
| Magnitude: | 15.45 (V) [1] |
| Distance: | 3.13 AU 26.00 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.99 AU |
| Eccentricity: | 0.243780 |
| Inclination: | 12.66° |
| Longitude ascending node: | 134.09° |
| Argument of perihelion: | 277.36° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 28.93° |
| Absolute mag (H): | 9.76 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.26 AU |
| Aphelion: | 3.72 AU |
| Orbital period: | 5.18 years |