1240 Centenaria (Asteroid)
Finder chart
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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.
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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 |
Visibility from South El Monte
All times shown in South El Monte local time.