1240 Centenaria (Asteroid)

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From South El Monte , 1240 Centenaria is not observable – it will reach its highest point in the sky during daytime and is 4° below the horizon at dusk.

Name 1240 Centenaria
Object type Asteroid
Current position
Computed for:16 September 2025
Right ascension:13h07m [1]
Declination:−15°05' [1]
Constellation:Virgo
Magnitude:16.28 (V) [1]
Distance:4.03 AU
33.52 lightmin [1]
Angular motion (speed):7.43 arcmin/day[1]
Angular motion (pos ang):297.7°
Orbital elements [1]
Semi-major axis:2.87 AU
Eccentricity:0.175602
Inclination:10.16°
Longitude ascending node:323.66°
Argument of perihelion:23.55°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:190.48°
Absolute mag (H):10.14 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.36 AU
Aphelion:3.37 AU
Orbital period:4.85 years

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