399 Persephone (Asteroid)
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From Cambridge , 399 Persephone is not observable – it will reach its highest point in the sky during daytime and is no higher than 11° above the horizon at dawn.
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|
Name
399 Persephone
|
Object type
Asteroid
|
Current position
| Computed for: | 13 May 2025 |
| Right ascension: | 22h32m [1] |
| Declination: | −16°20' [1] |
| Constellation: | Aquarius |
| Magnitude: | 14.96 (V) [1] |
| Distance: | 3.25 AU 27.07 lightmin [1] |
| Angular motion (speed): | 9.21 arcmin/day[1] |
| Angular motion (pos ang): | 234.0° |
Orbital elements [1]
| Semi-major axis: | 3.05 AU |
| Eccentricity: | 0.076868 |
| Inclination: | 13.11° |
| Longitude ascending node: | 346.18° |
| Argument of perihelion: | 192.38° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 110.09° |
| Absolute mag (H): | 8.93 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.82 AU |
| Aphelion: | 3.29 AU |
| Orbital period: | 5.33 years |
Visibility from Cambridge
All times shown in Cambridge local time.