The spatial orientation of the Martian pole of rotation and axial rotation parameters have been determined at midpoint in the Viking epoch (January 1, 1980).
Martian Precession and Rotation from Viking Lander Range Data
1997-01-01
Miscellaneous
No indication
English
Viking lander spacecraft battery
NTRS | 1976
|Viking Lander Spacecraft Battery
NTIS | 1976
|Viking Lander antenna deployment mechanism
NTRS | 1973
|