Landsat-4 Spacecraft Facts

• Manufactured by GE Astro Space, Fairchild
• Weight: approximately 1,941 kg
• 3-axis stabilised, zero momentum with control of 0.01°, using reaction wheels
• Single solar array with 1-axis articulation produces 1430 W
• Two NiCd batteries provide 100 Ah total power
• S-Band and Very High Frequency (VHF) communications
• Hydrazine propulsion system

Landsat-5 Spacecraft Facts

• 3-axis stabilised, zero momentum with control of 0.01° using reaction wheels
• Aluminum with graphite struts
• Hydrazine propulsion system
• Single solar array with 1-axis articulation
• Three Nickel Cadmium (NiCd) batteries provide 100 Ampere-Hour (AHr) total
• Retractable boom (4 m long) with two powered joints supports the articulated High Gain Antenna, which downlinks data via Tracking and Data Relay Satellite System (TDRSS)
• Communications system uses S,X,L, and Ku Bands
• Weight: approximately 2,200 kg

Learn more about the Landsat-4 and Landsat-5 missions from these websites:

• Landsat-4 and Landsat-5 on the eoPortal*
• Landsat-4 on the USGS website*
• Landsat-5 on the USGS website*
• Landsat-4 on the NASA website*
• Landsat-5 on the NASA website*
• 25 years of Landsat-5

*The information provided is sourced and updated by external entities. For further details, please consult our Terms and Conditions page.