1 Ceres (Dwarf planet)

Image of 1 Ceres
© NASA/Dawn 2015

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From Cambridge , 1 Ceres is not observable – it will reach its highest point in the sky during daytime and is 8° below the horizon at dawn.

Name 1 Ceres
Object type Dwarf planet
Current position
Computed for:03 April 2025
Right ascension:23h14m [1]
Declination:−13°31' [1]
Constellation:Aquarius
Magnitude:9.25 (V) [1]
Distance:3.81 AU
31.69 lightmin [1]
Angular motion (speed):22.36 arcmin/day[1]
Angular motion (pos ang):70.0°
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
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
26 Dec 2028  –  1 Ceres at solar conjunction
Printable finder charts
The path traced across the sky by 1 Ceres in 2025

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