1240 Centenaria (Asteroid)

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From South El Monte , 1240 Centenaria will become visible at around 20:42 (PDT), 23° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:22.

Name 1240 Centenaria
Object type Asteroid
Current position
Computed for:15 August 2026
Right ascension:16h45m [1]
Declination:−32°04' [1]
Constellation:Scorpius
Magnitude:14.91 (V) [1]
Distance:2.09 AU
17.42 lightmin [1]
Orbital elements [1]
Semi-major axis:2.87 AU
Eccentricity:0.175299
Inclination:10.16°
Longitude ascending node:323.65°
Argument of perihelion:23.43°
Epoch of elements:9 Jun 2026
Mean Anomaly at epoch:292.17°
Absolute mag (H):10.17 [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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