1240 Centenaria (Asteroid)
From South El Monte , 1240 Centenaria is not readily observable since it lies so far south that it will never rise more than 21° above the horizon.
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Name
1240 Centenaria
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Object type
Asteroid
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Current position
| Computed for: | 18 March 2026 |
| Right ascension: | 17h26m [1] |
| Declination: | −34°13' [1] |
| Constellation: | Scorpius |
| Magnitude: | 15.56 (V) [1] |
| Distance: | 2.66 AU 22.10 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 |