1 Ceres (Dwarf planet)
© NASA/Dawn 2015
From South El Monte , 1 Ceres is not observable – it will reach its highest point in the sky during daytime and is no higher than 21° above the horizon at dawn.
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Name
1 Ceres
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Object type
Dwarf planet
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Current position
| Computed for: | 27 July 2026 |
| Right ascension: | 05h31m [1] |
| Declination: | +21°40' [1] |
| Constellation: | Taurus |
| Magnitude: | 8.99 (V) [1] |
| Distance: | 3.42 AU 28.42 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.77 AU |
| Eccentricity: | 0.079692 |
| Inclination: | 10.59° |
| Longitude ascending node: | 80.25° |
| Argument of perihelion: | 73.29° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 274.42° |
| Absolute mag (H): | 3.35 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.55 AU |
| Aphelion: | 2.99 AU |
| Orbital period: | 4.60 years |
Source
Events
| 07 Jan 2027 | – 1 Ceres at opposition |
| 12 Jul 2027 | – 1 Ceres at perihelion |
| 11 Sep 2027 | – 1 Ceres at solar conjunction |
| 06 May 2028 | – 1 Ceres at opposition |
| 26 Dec 2028 | – 1 Ceres at solar conjunction |
| 10 Aug 2029 | – 1 Ceres at opposition |
| 29 Oct 2029 | – 1 Ceres at aphelion |
| 20 Mar 2030 | – 1 Ceres at solar conjunction |
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