237156 2008 UD99 (Asteroid)
From South El Monte , 237156 2008 UD99 is visible in the dawn sky, rising at 23:39 (PDT) and reaching an altitude of 70° above the south-eastern horizon before fading from view as dawn breaks at around 05:41.
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Name
237156 2008 UD99
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Object type
Asteroid
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Current position
| Computed for: | 26 September 2025 |
| Right ascension: | 06h07m [1] |
| Declination: | +19°13' [1] |
| Constellation: | Orion |
| Magnitude: | 21.07 (V) [1] |
| Distance: | 2.48 AU 20.65 lightmin [1] |
| Angular motion (speed): | 13.18 arcmin/day[1] |
| Angular motion (pos ang): | 253.9° |
Orbital elements [1]
| Semi-major axis: | 2.58 AU |
| Eccentricity: | 0.048183 |
| Inclination: | 14.61° |
| Longitude ascending node: | 84.98° |
| Argument of perihelion: | 184.84° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 99.66° |
| Absolute mag (H): | 15.88 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.46 AU |
| Aphelion: | 2.71 AU |
| Orbital period: | 4.15 years |