ISRO will be attempting to Launch SSLV to LEO carrying EOS-07 Mission, azaadisat-2, eos-07 mission. This will be the 2nd flight of SSLV after the 1st failure . If successful this will revolutionize the way small sats are launched into space.

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The second developmental flight of Small Satellite Launch Vehicle (SSLV), SSLV-D2 is scheduled for February 10, 2023 at 09:18 hours IST from the first launch pad at SDSC SHAR, Sriharikota. SSLV-D2 is intended to inject EOS-07, Janus-1 and AzaadiSAT-2 satellites into 450 km circular orbit, in its 15 minutes flight.
SSLV caters to the launch of up to 500 kg satellites to Low Earth Orbits on ‘launch-on-demand’ basis. It provides low-cost access to Space, offers low turn-around time and flexibility in accommodating multiple satellites, and demands minimal launch infrastructure. It is configured with three solid propulsion stages and a velocity terminal module. It is a 34 m tall, 2 m diameter vehicle having a lift-off mass of 120 t.
EOS-07 is 156.3 kg satellite designed, developed and realized by ISRO. New experiments include mm-Wave Humidity Sounder and Spectrum Monitoring Payload. Janus-1, a 10.2 kg satellite belongs to ANTARIS, USA. A 8.7 kg satellite AzaadiSAT-2 is a combined effort of about 750 girl students across India guided by Space Kidz India, Chennai.

Mission Objectives

Demonstration of designed Payload capability of SSLV in LEO
Injection of EOS-07 satellite and two passenger satellites Janus-1 & AzaadiSAT-2 into 450 km circular orbit.

SSLV is configured with three solid stages 87 t, 7.7 t and 4.5 t. The satellite insertion into the intended orbit is achieved through a liquid propulsion-based velocity trimming module. SSLV is capable of launching Mini, Micro, or Nanosatellites (10 to 500 kg mass) to a 500 km planar orbit. SSLV provides low-cost access to Space on demand basis. It offers low turn-around time, flexibility in accommodating multiple satellites, launch-on-demand feasibility, minimal launch infrastructure requirements, etc. SSLV-D1 is a 34 m tall, 2 m diameter vehicle having a lift-off mass of 120 t.

The first three stages of the vehicle use HTPB based solid propellant, with a fourth terminal stage being a Velocity-Trimming Module (VTM) with eight 50 N thrusters for reaction control and eight 50 N axial thrusters for changing velocity.[6] The first stage (SS1) and third stage (SS3) of SSLV are newly developed while second stage (SS2) is derived from third stage (HPS3) of PSLV.

Vehicle characteristics:

Height: 34.0 meters
Diameter: 2.0 meters
Mass: 120 tonnes

#ISRO #SSLV #Space

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