RISAT-2BR1 is a synthetic-aperture radar (SAR) imaging satellite built by Indian Space Research Organisation (ISRO).
[5][6] The RISAT-2BR1 is follow on to RISAT-2B and has an X-band SAR with unfurlable radial rib reflector antenna of 3.6 meter diameter.
After a flight of 16 minutes 27 seconds, RISAT-2BR1 was separated from PSLV fourth stage (PS4) and injected into 576 km circular orbit with 37.0° inclination.
After primary payload, DLA and subsequently nine other co-passenger satellites were separated.
[11][3] Nine commercial ridesharing satellites weighed 157.6 kg cumulatively.