SSLV-D2 explained

Launch:	10 February 2023 at 03:48 (UTC)
Pad:	Satish Dhawan Space Centre
Previous:	SSLV-D1
Next:	SSLV-D3
Operator:	ISRO
Outcome:	Successful

The SSLV-D2 was the second mission of the Small Satellite Launch Vehicle (SSLV). The vehicle carried three payloads: EOS–07, Antaris US Firm named as Janus-01 and AzaadiSAT-2 by SpaceKidz India.^{[1] [2] [3]}

Details

ISRO launched the Small Satellite Launch Vehicle (SSLV) in Low Earth orbit, on 10th February 2023 from the first launchpad of Satish Dhawan Space Centre in Sriharikota. It contained three payloads having a total mass of 172.6 kg.^[4]

This was the follow-up mission of SSLV-D1 with main objectives to demonstrate in-flight performance of SSLV vehicle systems and injection of all three satellites into 450 km low Earth orbit.^[5]

Mission statistics

• Mass:
  • Total liftoff weight: 119000kg (262,000lb)
  • Payload weight: 172.6kg (380.5lb)
• Overall height: 34m (112feet)
• Propellant:
  • Stage 1: Solid HTPB based
  • Stage 2: Solid HTPB based
  • Stage 3: Solid HTPB based
  • Stage 4 (VTM): Liquid MMH + MON-3
• Altitude: 450km (280miles)
• Inclination: 37.2°
• Period: 923.6 seconds
• Launch azimuth: 135°^[6]

Launch

The second SSLV development launch was carried out on 10th February, 2023 from the first launchpad of Satish Dhawan Space Centre in Sriharikota.^[7]

Notes and References

1. News: Rajwi . Tiki . 2022-10-12 . Second development flight of Small Satellite Launch Vehicle likely this year . en-IN . The Hindu . 2022-11-30 . 0971-751X.
2. Web site: October 23, 2022 . ISRO plans Sun and Moon missions in 2023 as well as commercial ones . November 11, 2022.
3. Web site: Times . of India . 2023-01-27 . ISRO's Latest Rocket to carry US Company's Satellite . en-IN . Times of India . 2023-01-27.
4. News: 10 February 2023 . Successful flight of Small Satellite Launch Vehicle (SSLV) . . 14 February 2023.
5. Web site: SSLV D2, EOS 07 MISSION. February 2023. isro.gov.in.
6. Web site: SSLV-D2/EOS-07 MISSION . 2023-08-24 . www.isro.gov.in.
7. Web site: ISRO planning to launch second development SSLV flight in Feb: S Somanath . . 4 January 2023 . 6 January 2023.