1 Ceres (Dwarf planet)
© NASA/Dawn 2015
From South El Monte , 1 Ceres is visible in the evening sky, becoming accessible around 17:47 (PST), 45° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:45, 48° above your southern horizon. It will continue to be observable until around 22:32, when it sinks below 21° above your south-western horizon.
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Name
1 Ceres
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Object type
Dwarf planet
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Current position
| Computed for: | 14 December 2025 |
| Right ascension: | 00h29m [1] |
| Declination: | −07°52' [1] |
| Constellation: | Cetus |
| Magnitude: | 8.66 (V) [1] |
| Distance: | 2.54 AU 21.13 lightmin [1] |
| Angular motion (speed): | 9.03 arcmin/day[1] |
| Angular motion (pos ang): | 34.7° |
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 |
Events
| 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 |
| 30 Oct 2029 | – 1 Ceres at aphelion |
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