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 no higher than 9° above the horizon at dawn.

Name 1240 Centenaria
Object type Asteroid
Current position
Computed for:18 December 2025
Right ascension:15h23m [1]
Declination:−26°50' [1]
Constellation:Libra
Magnitude:16.11 (V) [1]
Distance:3.85 AU
32.01 lightmin [1]
Orbital elements [1]
Semi-major axis:2.87 AU
Eccentricity:0.175372
Inclination:10.16°
Longitude ascending node:323.66°
Argument of perihelion:23.49°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:251.50°
Absolute mag (H):10.12 [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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