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RS D1, D2 (Rohini 2, 3)


The third and fourth satellites in the Rohini program, called RS D1 and D2 (Rohini satellite) were small satellites to test simple earth observation payload.

The spin-stabilized 35 kg satellites featured launch earth observation instruments and were powered by body monted solar cells.

RS D1 featured a remote sensing payload called Landmark Tracker. Due to too low orbit, the satellite reentered premature after only 9 days.

RS D2 had a Smart sensor remote sensing payload, which had both visible and infra-red capabilites. The mission operated for 17 months.

Nation: India
Type / Application: Technology, earth observation
Operator: ISRO
Contractors: ISRO
Power: Solar cells, batteries
Lifetime: 9 days (#D1); 1.5 years (#D2)
Mass: 38 kg (#D1); 41.5 kg (#D2)
Orbit: 186 km × 418 km, 46 (#D1); 371 km × 861 km, 46
Satellite COSPAR Date LS Launch Vehicle Remarks
RS D1 (Rohini 2) 1981-051A 31.05.1981 Sr P SLV-3
RS-D2 (Rohini 3) 1983-033A 17.04.1983 Sr SLV-3


Further Rohini missions:

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