1 Ceres (Dwarf planet)

© NASA/Dawn 2015

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From South El Monte , 1 Ceres is visible in the dawn sky, rising at 01:03 (PDT) and reaching an altitude of 38° above the south-eastern horizon before fading from view as dawn breaks at around 04:34.

Name 1 Ceres
Object type Dwarf planet
Current position
Computed for:08 July 2025
Right ascension:01h06m [1]
Declination:−05°21' [1]
Constellation:Cetus
Magnitude:8.90 (V) [1]
Distance:2.74 AU
22.82 lightmin [1]
Angular motion (speed):10.80 arcmin/day[1]
Angular motion (pos ang):85.0°
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
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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