1 Ceres (Dwarf planet)

© NASA/Dawn 2015

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From South El Monte , 1 Ceres will become visible at around 18:31 (PST), 38° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 21:46.

Name 1 Ceres
Object type Dwarf planet
Current position
Computed for:11 February 2026
Right ascension:01h17m [1]
Declination:+01°04' [1]
Constellation:Cetus
Magnitude:9.11 (V) [1]
Distance:3.29 AU
27.33 lightmin [1]
Orbital elements [1]
Semi-major axis:2.77 AU
Eccentricity:0.079576
Inclination:10.59°
Longitude ascending node:80.25°
Argument of perihelion:73.30°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:231.54°
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
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
29 Oct 2029  –  1 Ceres at aphelion
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