415029 2011 UL21 (Asteroid)
From South El Monte , 415029 2011 UL21 is visible in the evening sky, becoming accessible around 19:22 (PDT), 46° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:04, 75° above your northern horizon. It will continue to be observable until around 05:23, when it sinks below 21° 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: | 10 October 2025 |
| Right ascension: | 23h32m [1] |
| Declination: | +48°38' [1] |
| Constellation: | Andromeda |
| Magnitude: | 21.54 (V) [1] |
| Distance: | 2.72 AU 22.66 lightmin [1] |
| Angular motion (speed): | 6.87 arcmin/day[1] |
| Angular motion (pos ang): | 245.1° |
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 |