Objectives and Applications
Etalon-1 and Etalon-2 are passive geodetic satellites that perform satellite laser ranging (SLR) to develop high accuracy global references, and study geodynamic processes and long-period disturbances.
Full Name
Etalon-1 and Etalon-2
Mission Status
Operational (nominal)
Mission Agencies
Russia
Launch Date
01 Oct 1989
Mission Links
EOL Date
Dec 2030
Orbit Type
TBD
Orbit Period
675 minutes
Orbit Sense
TBD
Orbit Inclination
65 deg
Orbit Altitude
19100 km
Orbit Longitude
NORAD Catalog #
International Designator
No IDN OpenSearch datasets found.