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Landsat 4

retired
Earth ObservationLEOCOSPAR 1982-072ALaunched 7/16/1982
Admin Edit
Mission & Launch
Launch Mission
Landsat 4 Mission
Launch Vehicle
Delta 3920
Launch Date
7/16/1982
Last Contact
6/15/2001
Orbit & Mass
Orbit Class
LEO
Altitude
702 km
Inclination
98.25 deg
Dry Mass
1,863 kg
Total Mass
1,938 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG
Payload Class
C
Organizations
Operator
NASA Goddard Space Flight Center
Manufacturer
Lockheed Martin
Registry
COSPAR ID
1982-072A
UN Registration
ST/SG/SER.E/070
Track
Mentions
3
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

NASA launched the Landsat 4 remote sensing satellite in 1982.

GeneralValue 4.0Oct 10, 2025RT by @Cosmic_Penguin: The Landsat 4 remote sensing satellite was launched by NASA in 1982 and later operated by the commercial company EOSAT for NOAA and USGS until it was retired in 2001. It reentered over the China-Vietnam border area on Oct 8.

The Landsat 4 satellite reentered over the China-Vietnam border area on October 8.

General
Value 4.0
Oct 10, 2025
RT by @Cosmic_Penguin: The Landsat 4 remote sensing satellite was launched by NASA in 1982 and later operated by the commercial company EOSAT for NOAA and USGS until it was retired in 2001. It reentered over the China-Vietnam border area on Oct 8.

EOSAT operated the Landsat 4 remote sensing satellite for NOAA and USGS until it was retired in 2001.

RelationshipsGeneralValue 3.8Oct 10, 2025RT by @Cosmic_Penguin: The Landsat 4 remote sensing satellite was launched by NASA in 1982 and later operated by the commercial company EOSAT for NOAA and USGS until it was retired in 2001. It reentered over the China-Vietnam border area on Oct 8.