Table 4-1:
Synodic and Sidereal Periods of the Planets
Planet
Synodic period
Sidereal period
Mercury
116 days
88 days
Venus
584 days
225 days
Earth
—
1.0 year
Mars
780 days
1.9 years
Jupiter
399 days
11.9 years
Saturn
378 days
29.5 years
Uranus
370 days
84.1 years
Neptune
368 days
164.9 years