Table : 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