• Launch Date: January 22, 1975
• Status: removed from operational status: February 5, 1982; decommissioned: July 27, 1983
• Sensors: RBV, MSS
• Altitude: nominally 900 km
• Inclination: 99.2°
• Orbit: polar, sun-synchronous
• Equatorial Crossing Time: nominally 9:42 AM mean local time (descending node)
• Period of Revolution : 103 minutes; ~14 orbits/day
• Repeat Coverage : 18 days