415029 2011 UL21 (Asteroid)
From South El Monte , 415029 2011 UL21 is visible in the morning sky, becoming accessible around 20:43, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 03:07, 74° above your northern horizon. It will be lost to dawn twilight around 05:16, 61° above your north-western horizon.
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Name
415029 2011 UL21
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Object type
Asteroid
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Current position
| Computed for: | 25 August 2025 |
| Right ascension: | 00h30m [1] |
| Declination: | +49°59' [1] |
| Constellation: | Cassiopeia |
| Magnitude: | 21.80 (V) [1] |
| Distance: | 2.92 AU 24.32 lightmin [1] |
| Angular motion (speed): | 5.95 arcmin/day[1] |
| Angular motion (pos ang): | 257.7° |
Orbital elements [1]
| Semi-major axis: | 2.12 AU |
| Eccentricity: | 0.653622 |
| Inclination: | 34.89° |
| Longitude ascending node: | 275.32° |
| Argument of perihelion: | 284.99° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 82.10° |
| Absolute mag (H): | 15.93 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 0.74 AU |
| Aphelion: | 3.51 AU |
| Orbital period: | 3.09 years |