Earlier in the day, ISRO launched its first new rocket the Small Satellite Launch Vehicle (SSLV-D1) carrying Earth Observation Satellite (EOS-02) and a student-made satellite-AzaadiSAT from the Satish Dhawan Space Centre (SDSC) in Andhra Pradesh's Sriharikota
ISRO's new offering Small Satellite Launch Vehicle (SSLV) during its launch from the Sathish Dhawan Space Centre, in Sriharikota. Pic/PTI
The Indian Space Research Organisation (ISRO) Chairman S Somanath on Sunday said that both Small Satellite Launch Vehicle (SSLV-D1) carrying Earth Observation Satellite (EOS-02) were injected but the "orbit achieved was less than expected which makes it unstable."
"All stages performed normal. Both satellites were injected. But the orbit achieved was less than expected which makes it unstable," the ISRO chief said.
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He further said that the SSLV-D1 suffered data loss at the terminal phase of the mission."In the terminal phase of the mission, some data loss is occurring. We are analysing the data to conclude the final outcome of the mission with respect to achieving a stable orbit," Somanath added.
Earlier in the day, ISRO launched its first new rocket the Small Satellite Launch Vehicle (SSLV-D1) carrying Earth Observation Satellite (EOS-02) and a student-made satellite-AzaadiSAT from the Satish Dhawan Space Centre (SDSC) in Andhra Pradesh's Sriharikota.
To mark the country's celebrations of "Azaadi Ka Amrit Mahotsav", the SSLV, co-passenger satellite called "AzaadiSAT" comprising 75 payloads built by 750 students from 75 rural government schools across India was launched.
Girls who designed Satelite also witnessed the SSLV-D1 launch.
The general public also witnessed the launch from the viewing gallery of Satish Dhawan Space Centre (SDSC) in Sriharikota.
Speaking to ANI, Shreya a student from St Francis Girls High School, Telangana said, "Three groups from our school have participated in this SSLV launch. I am very glad that we got this opportunity. We really worked hard on it and today we will witness the launch of the AzaadiSAT satellite."
Founder and CEO, science and tech incubator Space Kidz India, Dr Srimathy Kesan said this launch is to mark the 75th year of independence and to bring the focus that girls should be encouraged.
The ground testing of the newly developed solid booster stage (SS1) for the new launch vehicle of ISRO i.e. Small Satellite Launch Vehicle (SSLV) was carried out on March 14 2022 at Satish Dhawan Space Centre Sriharikota at 1205 hrs.
All the propulsion parameters during the test are found satisfactory and closely matching with the predictions.
SS1 motor is a three-segmented solid propulsion stage incorporating many new technologies and innovative processes which include a bond-free joint between the segments, high power electromechanical actuator with digital control electronics, optimized ignitor and simultaneous propellant casting of all segments, which have been successfully validated in the ground test.
The successful test of the solid booster stage has given sufficient confidence to proceed with the first developmental flight of SSLV (SSLV-D1) which is scheduled for May 2022. The remaining stages of SSLV i.e. SS2 & SS3 stages have successfully undergone necessary ground tests and are ready for integration.
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