Function | Small-lift launch vehicle |
---|---|
Manufacturer | NSIL, ISRO[1] |
Country of origin | India |
Cost per launch | ₹30 crore (US$3.6 million) to ₹35 crore (US$4.2 million) (expected)[2][3][4][5] |
Size | |
Height | 34 m (112 ft) |
Diameter | 2 m (6 ft 7 in) |
Mass | 120 t (120 long tons; 130 short tons) |
Stages | 3+1[6] |
Capacity | |
Payload to low Earth orbit | |
Altitude | 500 km (310 mi)[7] |
Orbital inclination | 45.0° |
Mass | 10 kg (22 lb) to 500 kg (1,100 lb)[8] |
Payload to Sun-synchronous orbit | |
Altitude | 500 km (310 mi)[7] |
Mass | 300 kg (660 lb) |
Associated rockets | |
Comparable | |
Launch history | |
Status | Active |
Launch sites | Satish Dhawan Space Centre Kulasekarapattinam Spaceport |
Total launches | 3 |
Success(es) | 2 |
Failure(s) | 1 |
First flight | 03:48 UTC, 7 August 2022.[9] |
Last flight | 16 August 2024, EOS-08 |
First stage – SS1 | |
Diameter | 2 m |
Propellant mass | 87,000 kg (192,000 lb)[10] |
Powered by | S85 |
Maximum thrust | 2,496 kN (vac)[11] |
Burn time | 94.3 s[11] |
Propellant | Solid (HTPB based) |
Second stage – SS2 | |
Diameter | 2 m |
Propellant mass | 7,700 kg (17,000 lb)[10] |
Powered by | S7 |
Maximum thrust | 234.2 kN (vac)[11] |
Burn time | 113.1 s[11] |
Propellant | Solid (HTPB based) |
Third stage – SS3 | |
Diameter | 1.7 m |
Propellant mass | 4,500 kg (9,900 lb)[10] |
Powered by | S4 |
Maximum thrust | 160 kN (vac)[11] |
Burn time | 106.9 s[11] |
Propellant | Solid (HTPB based) |
Fourth stage – Velocity Trimming Module (VTM) | |
Diameter | 2 m |
Propellant mass | 50 kg (110 lb)[10] |
Powered by | 16 × 50N bipropellant thrusters[11] |
Propellant | MMH+MON3 Liquid |
The Small Satellite Launch Vehicle (SSLV) is a small-lift launch vehicle developed by ISRO to deliver 500 kg (1,100 lb) payload to low Earth orbit (500 km (310 mi)) or 300 kg (660 lb) payload to Sun-synchronous orbit (500 km (310 mi)).[7] The rocket supports multi-orbital drop-offs capability for small satellites.[12][13][14]
The maiden flight SSLV-D1 was conducted from First Launch Pad on 7 August 2022,[9][15] however, the payload failed to reach the intended orbit.[16] The second flight SSLV-D2 was successful in delivering payload into orbit on 10 February 2023.[17]
SSLV is made keeping low cost, low turnaround time in mind with launch-on-demand flexibility under minimal infrastructure requirements. It is capable of carrying multiple satellites.[18] Once SSLV is operational, NewSpace India Limited (NSIL) and a group of Indian companies will manage the mass production and launch activities.[19][20][21]
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