1 Ceres (Dwarf planet)
© NASA/Dawn 2015
Finder chart
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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 16° above the horizon at dawn.
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|
Name
1 Ceres
|
Object type
Dwarf planet
|
Current position
| Computed for: | 31 May 2025 |
| Right ascension: | 00h30m [1] |
| Declination: | −07°15' [1] |
| Constellation: | Cetus |
| Magnitude: | 9.21 (V) [1] |
| Distance: | 3.24 AU 26.98 lightmin [1] |
| Angular motion (speed): | 17.42 arcmin/day[1] |
| Angular motion (pos ang): | 74.3° |
Orbital elements [1]
| Semi-major axis: | 2.77 AU |
| Eccentricity: | 0.079311 |
| Inclination: | 10.59° |
| Longitude ascending node: | 80.25° |
| Argument of perihelion: | 73.26° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 167.29° |
| Absolute mag (H): | 3.34 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.55 AU |
| Aphelion: | 2.99 AU |
| Orbital period: | 4.60 years |
Visibility from South El Monte
All times shown in South El Monte local time.
Events
| 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 |
| 26 Dec 2028 | – 1 Ceres at solar conjunction |
| 10 Aug 2029 | – 1 Ceres at opposition |
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