261 Prymno (Asteroid)
From South El Monte , 261 Prymno is visible in the dawn sky, rising at 01:15 (PDT) and reaching an altitude of 41° above the eastern horizon before fading from view as dawn breaks at around 04:40.
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Name
261 Prymno
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Object type
Asteroid
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Current position
| Computed for: | 16 July 2025 |
| Right ascension: | 02h37m [1] |
| Declination: | +11°48' [1] |
| Constellation: | Aries |
| Magnitude: | 14.72 (V) [1] |
| Distance: | 2.60 AU 21.63 lightmin [1] |
| Angular motion (speed): | 13.02 arcmin/day[1] |
| Angular motion (pos ang): | 249.9° |
Orbital elements [1]
| Semi-major axis: | 2.33 AU |
| Eccentricity: | 0.090299 |
| Inclination: | 3.63° |
| Longitude ascending node: | 96.58° |
| Argument of perihelion: | 66.66° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 173.12° |
| Absolute mag (H): | 9.57 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.12 AU |
| Aphelion: | 2.54 AU |
| Orbital period: | 3.56 years |