147 Protogeneia (Asteroid)
From South El Monte , 147 Protogeneia will become visible at around 17:51 (PST), 36° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:00.
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Name
147 Protogeneia
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Object type
Asteroid
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Current position
| Computed for: | 12 November 2025 |
| Right ascension: | 20h24m [1] |
| Declination: | −17°29' [1] |
| Constellation: | Capricornus |
| Magnitude: | 14.66 (V) [1] |
| Distance: | 3.19 AU 26.55 lightmin [1] |
| Angular motion (speed): | 10.08 arcmin/day[1] |
| Angular motion (pos ang): | 255.3° |
Orbital elements [1]
| Semi-major axis: | 3.14 AU |
| Eccentricity: | 0.022253 |
| Inclination: | 1.93° |
| Longitude ascending node: | 248.21° |
| Argument of perihelion: | 103.48° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 280.07° |
| Absolute mag (H): | 8.76 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 3.07 AU |
| Aphelion: | 3.21 AU |
| Orbital period: | 5.56 years |