ACRIMSat

ACRIMSat [OSC]

ACRIMSat (Active Cavity Radiometric Irradiance Monitor Satellite) was a satellite to ascertain the extent of solar radiation variability.

It carried an ACRIM-3 (Active Cavity Radiometer Irradiance Monitor) instrument to monitor solar irradiance at high accuracy (<0.1%) as a long term follow up to the ACRIM-2 (carried on UARS spacecraft since 1991) and ACRIM-1 (carried on the SMM (SolarMax) spacecraft in 1980).

Nation: USA
Type / Application: Solar observing
Operator: NASA
Contractors: Orbital Sciences Corporation (OSC)
Equipment: ACRIM III
Configuration: MiniStar
Propulsion: ?
Power: 4 deployable fixed solar arrays, batteries
Lifetime: 5 years (design)
Mass: 120 kg
Orbit: 683 km × 724 km, 98.13° SSO
Satellite Date LS Launch Vehicle Remarks
ACRIMSat 21.12.1999 Va 576E Taurus-2110 with KOMPSat 1, Celestis 04

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