In practice, however, 1 Ceres's orbit is very close to circular; its distance from the Sun only varies by about 16.7% between perihelion and aphelion. This means that the difference in the amount of heat and light it receives from the Sun between aphelion and perihelion is extremely small.
Finding 1 Ceres
1 Ceres's distance from the Sun doesn't affect its appearance. From Cambridge, at the moment of aphelion it will not be observable – it will reach its highest point in the sky during daytime and will be no higher than 11° above the horizon at dusk.
The position of 1 Ceres at the moment it passes aphelion will be:
|Object||Right Ascension||Declination||Constellation||Magnitude||Angular Size|
The coordinates above are given in J2000.0.
|The sky on 08 January 2016|
28 days old
All times shown in EST.
The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).
This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.
|08 Jan 2016||– 1 Ceres at aphelion|
|04 Mar 2016||– 1 Ceres at solar conjunction|
|21 Oct 2016||– 1 Ceres at opposition|
|05 Jun 2017||– 1 Ceres at solar conjunction|