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SROSS C, C2

SROSS C [ISRO]

SROSS C and C2 (Stretched Rohini Satellite Series) were the third and fourth satellites in ISRO's SROSS series and to perform experiments on Gamma-ray astronomy and ionospheric science.

The satellite body was spin-stabilized. A Hydrazine based monopropellant reaction control system was also fitted. Power was to be provided by body mounted solar cells.

The satellites carried two payloads:

  • 20 - 3000 keV Gamma-ray Burst Experiment (GRB)
  • Retarding Potential Analyser (RPA)

SROSS C was launched into a lower than planned orbit and therefore had a significantly reduced lifetime. It decayed from orbit on 14 July 1992 after only 55 days.

SROSS C2 was launched successfully and operated for four years.

Nation: India
Type / Application: Technology, science
Operator: ISRO
Contractors: ISRO
Equipment: GRB, RPA
Configuration:
Propulsion: Hydrazine RCS
Power: Solar cells, batteries
Lifetime: 6 months (planned); 55 days (reached, #C); 4 years (reached, #C2)
Mass: 106 kg (#C); 115 kg (#C2)
Orbit: 267 km × 391 km, 45 (#C); 430 km × 600 km, 45 (#C2)
Satellite COSPAR Date LS Launch Vehicle Remarks
SROSS C 1992-028A 20.05.1992 Sr P ASLV
SROSS C2 1994-027A 04.05.1994 Sr ASLV
Further Rohini missions: