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In News
- The Indian Space Research Organisation (ISRO) recently launched the second development flight of the Small Satellite Launch Vehicle (SSLV).
More about the news
- About:
- The Small Satellite Launch Vehicle (SSLV-D2) was launched successfully from the first launch pad at the Satish Dhawan Space Centre SHAR, Sriharikota, Andhra Pradesh.
- It was ISRO’s first launch of 2023.
- It will place the Indian Space Research Organisation (ISRO) earth observation satellite EOS-07 and two co-passenger satellites Janus-1 and AzaadiSat2 in a 450-km circular orbit around the Earth.
- Janus-1 and AzaadiSat2 are developed by start-ups.
- G20 logo:
- The satellite will also carry the G20 logo to space and the NCC song to celebrate 75 years of the organisation.
- The Small Satellite Launch Vehicle (SSLV-D2) was launched successfully from the first launch pad at the Satish Dhawan Space Centre SHAR, Sriharikota, Andhra Pradesh.
Janus-1
AzaadiSat2
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Significance of SSLV
- Multiple satellites & multiple drop-offs:
- SSLV is perfectly suited for launching multiple microsatellites at a time and supports multiple orbital drop-offs.
- SSLV is capable of launching Mini, Micro, or Nanosatellites (10 to 500 kg mass) to a 500 km planar orbit.
- SSLV is perfectly suited for launching multiple microsatellites at a time and supports multiple orbital drop-offs.
- Development of commercial Market:
- The new vehicle was developed to capture the emerging small and micro satellite commercial market, with launches offered on demand.
- The launch of small satellites has until now been dependent on ‘piggy-back’ rides with big satellite launches on ISRO’s work-horse
- The new vehicle was developed to capture the emerging small and micro satellite commercial market, with launches offered on demand.
- Less time, manpower & cost-effective:
- It will take only 72 hours to integrate, unlike the 70 days taken now for a launch vehicle.
- Only six people will be required to do the job, instead of 60 people.
- So, the entire job will be done in a very short time and the cost will be only around Rs 30 crore.
- It will be an on-demand vehicle.
Previous development flight:
- Failure:
- The vehicle’s first development flight that took place last August after repeated delays due to the pandemic, failed to place the satellites in precise orbit.
- Analysis:
- A failure analysis report on why satellites were not injected in desired orbits during the August launch suggests that it was because of vibrations picked up by the accelerometers on-board, which led to the systems thinking that they were faulty.
About Polar Satellite Launch Vehicle
Difference between circular and elliptical orbits
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Source: TH
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