4th flight unit of the LandSat programme.
Main mission: land observation.
Mass at launch
Data access link
no link provided
Data access information
Real-time data are available at appointed acquisition stations.
Off-line data are available from the USGS EROS DataCenter.
Free-access data are available from the EDC by Internet.
For details, see
Details on Status
Reduced operations because of lack of power, and data transmission capability limited to TDRSS because of loss of direct-read-out links since June 1983.
After failure of the TDRSS link in 1993, the satellite has been used for telemetry functions, i.e. no imaging capability.
Nominal decommissioning date is 15 June 2001.
16 Jul 1982
Associated satellite programme and related satellites
Note: red tag: no longer operational , green tag: operational ,
blue tag : future
All known Instruments flying on
MSS Multi-Spectral Scanner
TM Thematic Mapper
GPS GPS Receiver
Show instrument status and calibration