ISRO Launches Proba-3: A Groundbreaking Mission to Study the Sun's Corona
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The 550-kg Proba-3 mission was launched from the Sriharikota spaceport in Andhra Pradesh.
ISRO's commercial space mission for the European Space Agency (ESA), the Proba-3 spacecraft, was successfully launched today at 4:04 pm, showcasing India's role in global space innovation.
The 550-kg Proba-3 mission was launched from the Sriharikota spaceport in Andhra Pradesh and will be managed by ISRO's commercial arm, NewSpace India Ltd.
Initially scheduled for December 4 at 4:08 pm, the launch was delayed by the ESA due to an anomaly detected in the satellite propulsion system just before liftoff.
Proba (Project for Onboard Anatomy), named after the Latin word meaning “let’s try,” is the first mission to demonstrate flying in a precise formation down to a millimetre. Its goal is to study the Sun’s outer atmosphere, the Corona.
Key details:
- Proba-3 consists of two satellites: Coronagraph (310 kg) and Occulter (240 kg), which will fly 150 metres apart, acting as one.
- The mission will provide valuable data about the Corona, which is hotter than the Sun and plays a key role in space weather.
- The instruments on both satellites will take about six hours to reach the solar rim and will then complete a 19-hour orbit around Earth.
- The 44.5-meter tall rocket is expected to reach its desired orbit in 18 minutes.
