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Aryabhata 1

Aryabhata 1 [ISRO]

The Aryabhata 1 spacecraft, named after the famous Indian astronomer, was India's first satellite and was completely designed and fabricated in India. It was launched by a Soviet Kosmos-3M rocket from a Kapustin Yar.

The spacecraft was quasispherical in shape containing 26 sides and contained three experiments for the measurement of cosmic X-rays, solar neutrons, and Gamma rays, and an ionospheric electron trap along with a UV sensor. The spacecraft weighed 360 kg, used solar panels on 24 sides to provide 46 Watts of power, used a passive thermal control system, contained batteries, and a spin-up gas jet system to provide a spin rate of not more than 90 rpm. There was a set of altitude sensors comprised of a triaxial magnetometer, a digital elevation solar sensor, and four azimuth solar sensors.

The data system included a tape recorder at 256 b/s with playback at 10 times that rate. The PCM-FM-PM telemetry system operated at 137.44 MHz. The necessary ground telemetry and telecommand stations were established at Shar Centre in Sriharikota, Andhra Pradesh.

Nation: India
Type / Application: Science
Operator: ISRO
Contractors: ISRO
Power: Solar cells, batteries
Mass: 360 kg
Orbit: 568 km × 611 km, 50.7
Satellite COSPAR Date LS Launch Vehicle Remarks
Aryabhata 1 1975-033A 19.04.1975 KY LC-107/2 Kosmos-3M