Table 2-1:
SYNODIC AND SIDEREAL PERIODS OF THE PLANETS (IN EARTH YEARS)
Synodic (year)
Sidereal (year)
Mercury
0.318
0.241
Venus
1.599
0.616
Earth
—
1.0
Mars
2.136
1.9
Jupiter
1.092
11.9
Saturn
1.035
29.5
Uranus
1.013
84.0
Neptune
1.008
164.8