1 Ceres (Dwarf planet)
© NASA/Dawn 2015
From Cambridge , 1 Ceres is not readily observable since it lies so far south that it will never rise more than 20° above the horizon.
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Name
1 Ceres
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Object type
Dwarf planet
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Current position
| Computed for: | 03 December 2024 |
| Right ascension: | 20h07m [1] |
| Declination: | −27°23' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 9.25 (V) [1] |
| Distance: | 3.55 AU 29.49 lightmin [1] |
| Angular motion (speed): | 21.37 arcmin/day[1] |
| Angular motion (pos ang): | 77.4° |
Orbital elements [1]
| Semi-major axis: | 2.77 AU |
| Eccentricity: | 0.079184 |
| Inclination: | 10.59° |
| Longitude ascending node: | 80.25° |
| Argument of perihelion: | 73.29° |
| Epoch of elements: | 17 October 2024 |
| Mean Anomaly at epoch: | 145.85° |
| Absolute mag (H): | 3.33 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.55 AU |
| Aphelion: | 2.99 AU |
| Orbital period: | 4.60 years |
Events
| 14 Feb 2025 | – 1 Ceres at solar conjunction |
| 25 Mar 2025 | – 1 Ceres at aphelion |
| 02 Oct 2025 | – 1 Ceres at opposition |
| 14 May 2026 | – 1 Ceres at solar conjunction |
| 07 Jan 2027 | – 1 Ceres at opposition |
| 13 Jul 2027 | – 1 Ceres at perihelion |
| 11 Sep 2027 | – 1 Ceres at solar conjunction |
| 06 May 2028 | – 1 Ceres at opposition |
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