GSLV-F12 explained

GSLV - F12
Launch:	Launched on 29th May 2023 at 0512 hrs UTC
Pad:	Second Launch Pad Satish Dhawan Space Centre
Payload:	NVS-01
Succession:	GSLV launches
Previous:	GSLV-F10
Next:	GSLV-F13

The GSLV F12 is the 15th flight of the GSLV and the 9th flight of Mk2 variant using indigenous Cryogenic engine.^{[1] [2]}

Launch

Launch of GSLV F12 / NVS 01 Mission is Tentatively Scheduled for Monday, 29th May 2023 at 0512 hrs UTC from Satish Dhawan Space Centre, Second Launch pad, Sriharikota Andhra Pradesh, India as Per Notam .^[3]

Mission overview

Primary payload: NVS-01 This also marks the 15th time that Geosynchronous Satellite Launch Vehicle will be launching the Satellites. This Launch Vehicle is an 3 Stage Launch Vehicle. The first stage of GSLV was also derived from the PSLV's PS1. The 138 tonne solid rocket motor is augmented by 4 liquid strap-ons which is Powered by Vikas (rocket engine).

Launch Vehicle Stages !Stage !Propellant Type!Max. Thrust!Burn Time

GS1	Solid	4800 kN	100 Sec
GS2	Liquid	846 kN	150 Sec
CUS	Liquid	75 kN	814 sec

^[4]

Notes and References

1. Web site: Indx . Techstyle . 2023-04-22 . Launch: GSLV F12 with NVS-01 (IRNSS-1J) - 24th May 2023. en-IN . Indian Defence Forum. 2023-04-28.
2. Web site: (ISRO) . Indian Space Research Organisation. 2023-04-22 . Launch: GSLV F12 / NVS-01. en-IN . ISRO . 2023-05-22.
3. Web site: 12 May 2023 . Notam for launch of GSLV F12.
4. Web site: 20 May 2023 . Geosynchronous Satellite Launch Vehicle Mark II.