The plantes of the solar system serving as a navigation:

Mercury Venus Earth Mars Jupiter Saturn
Name
Earth
Mean radius
6,371.0 km
Name
Venus
Mean radius
6,051.8 km
Name
Mercury
Mean radius
2,439.7 km
Name
Mars
Mean radius
3,396.2 km
Name
Jupiter
Mean radius
71,492 km
Name
Saturn
Mean radius
60,268 km
Solar system