578 Happelia (Asteroid)
From South El Monte , 578 Happelia will become visible at around 21:11 (PDT), 43° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:49.
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Name
578 Happelia
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Object type
Asteroid
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Current position
| Computed for: | 05 June 2026 |
| Right ascension: | 10h08m [1] |
| Declination: | +15°40' [1] |
| Constellation: | Leo |
| Magnitude: | 15.33 (V) [1] |
| Distance: | 3.08 AU 25.64 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.195639 |
| Inclination: | 6.13° |
| Longitude ascending node: | 29.03° |
| Argument of perihelion: | 262.83° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 256.52° |
| Absolute mag (H): | 9.54 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.21 AU |
| Aphelion: | 3.29 AU |
| Orbital period: | 4.56 years |
Source