229850 2009 SP255 (Asteroid)
From South El Monte , 229850 2009 SP255 is visible in the dawn sky, rising at 01:55 (PDT) and reaching an altitude of 44° above the eastern horizon before fading from view as dawn breaks at around 05:40.
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Name
229850 2009 SP255
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Object type
Asteroid
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Current position
| Computed for: | 24 September 2025 |
| Right ascension: | 08h15m [1] |
| Declination: | +18°59' [1] |
| Constellation: | Cancer |
| Magnitude: | 21.23 (V) [1] |
| Distance: | 2.07 AU 17.23 lightmin [1] |
| Angular motion (speed): | 18.91 arcmin/day[1] |
| Angular motion (pos ang): | 253.4° |
Orbital elements [1]
| Semi-major axis: | 1.89 AU |
| Eccentricity: | 0.102196 |
| Inclination: | 24.83° |
| Longitude ascending node: | 94.78° |
| Argument of perihelion: | 297.35° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 318.99° |
| Absolute mag (H): | 17.12 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.70 AU |
| Aphelion: | 2.09 AU |
| Orbital period: | 2.61 years |