312 Pierretta (Asteroid)
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From South El Monte , 312 Pierretta will become visible at around 17:48 (PST), 27° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 54 minutes after the Sun at 20:38.
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Name
312 Pierretta
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Object type
Asteroid
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Current position
| Computed for: | 17 December 2025 |
| Right ascension: | 21h25m [1] |
| Declination: | −19°15' [1] |
| Constellation: | Capricornus |
| Magnitude: | 14.32 (V) [1] |
| Distance: | 3.03 AU 25.18 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.78 AU |
| Eccentricity: | 0.160275 |
| Inclination: | 9.03° |
| Longitude ascending node: | 6.19° |
| Argument of perihelion: | 261.90° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 45.43° |
| Absolute mag (H): | 8.95 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.34 AU |
| Aphelion: | 3.23 AU |
| Orbital period: | 4.64 years |
Visibility from South El Monte
All times shown in South El Monte local time.