415029 2011 UL21 (Asteroid)

Show information for


From South El Monte , 415029 2011 UL21 is visible in the evening sky, becoming accessible around 17:45 (PST), 81° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:23, 85° above your northern horizon. It will continue to be observable until around 00:14, when it sinks below 21° above your north-western horizon.

Name 415029 2011 UL21
Object type Asteroid
Current position
Computed for:29 November 2025
Right ascension:23h07m [1]
Declination:+38°35' [1]
Constellation:Andromeda
Magnitude:21.89 (V) [1]
Distance:3.02 AU
25.09 lightmin [1]
Angular motion (speed):5.95 arcmin/day[1]
Angular motion (pos ang):239.0°
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

Share