January Moon & Planet data for 2017


The follwing table lists various solar system object events during January. A list of astronomical terms used in may be found after the table.

January 1 Mars 0.0 degrees north of Neptune
January 2 Venus 1.8 degrees south of the Moon
January 3 Neptune 0.4 degrees south of the Moon Occn
January 3 Mars 0.2 degrees south of the Moon Occn
January 4 Earth at perihelion
January 5 Moon first quarter
January 6 Uranus 3.1 degrees north of the Moon
January 7 Pluto at conjunction
January 8 Mercury stationary
January 9 Aldebaran 0.4 degrees south of the Moon Occn
January 10 Moon at perigee
January 11 Moon northern most declination (18.9 degrees)
January 12 Moon full
January 12 Venus greatest elong E(47)
January 12 Venus 0.4 degrees north of Neptune
January 15 Regulus 0.8 degrees north of the Moon Occn
January 19 Jupiter 2.5 degrees south of the Moon
January 19 Mercury greatest elong W(24)
January 19 Moon last quarter
January 22 Moon at apogee
January 24 Saturn 3.6 degrees south of the Moon
January 25 Moon southern most declination (-18.9 degrees)
January 26 Mercury 3.7 degrees south of the Moon
January 26 Pluto 2.7 degrees south of the Moon
January 28 Moon new
January 29 Mercury 1.2 degrees south of Pluto
January 30 Neptune 0.2 degrees south of the Moon Occn
January 31 Venus 3.9 degrees north of the Moon
  • apogee: Furtherest point in the orbit of a body orbiting the Earth
  • conjunction: Two astronomical objects are 'lined up' (have the same right ascension) when viewed from Earth. If only one object is mentioned the Sun is generally the other object.
  • declination: 'Latitude' for celestial objects. The distance in degress above (north) or below (south) the celestial equator.
  • perigee: Nearest point in the orbit of a body orbiting the Earth
  • perihelion: Nearest point in the orbit of a body orbiting the Sun