GSLV Mk II | GISAT-1A (EOS-05)

Mission Status

Current T-0 confirmed by official or reliable sources.

Mission Updates

Aug 29, 12:36 PM Cosmic_Penguin

Updated T-0.

Source →
Aug 27, 07:56 AM Cosmic_Penguin

NET September 3 per new NOTAMs, TBC.

Source →
Aug 13, 01:07 AM Cosmic_Penguin

NET 1st week of September.

Source →
Jul 18, 01:59 PM Cosmic_Penguin

NET Q3.

Source →
Jun 13, 06:20 PM Cosmic_Penguin

NET July.

Source →
May 24, 01:14 AM Cosmic_Penguin

NET June 10.

Source →
May 22, 10:07 AM Cosmic_Penguin

NET early June.

Source →
May 14, 02:30 PM Cosmic_Penguin

Delayed to end of May.

Source →
May 7, 02:08 PM Cosmic_Penguin

Rescheduled for NET May 21, TBC.

Source →
Feb 23, 02:44 PM Cosmic_Penguin

Reverted back to NET March with cancellation of NOTAMs.

Source →
Feb 12, 09:04 AM Cosmic_Penguin

NET March 6 per new NOTAMs.

Source →
Feb 3, 08:11 AM Cosmic_Penguin

NET February 20 per NOTAMs.

Source →
Sep 14, 11:55 PM Cosmic_Penguin

NET Q1 2026.

Source →
May 11, 08:35 PM Nosu

Targeting March 2024

Source →

Mission Details

GISAT-1A (GEO Imaging Satellite) is an Indian earth observing satellite operating from geostationary orbit to facilitate continuous observation of Indian sub-continent, quick monitoring of natural hazards and disaster. EOS-05/GISAT-1A will replace EOS-03/GISAT-1 lost in launch failure in 2021.

Mission Type Earth Science
Orbit Geostationary Transfer Orbit
Launch Window 09:00 PM - 01:00 AM

Rocket Configuration

Name GSLV Mk. II
Manufacturer Indian Space Research Organization
Height 49 m
Diameter 2.8 m
Maiden Flight 2010-04-15
Success Rate 10/12 (83%)

Geosynchronous Satellite Launch Vehicle Mark II (GSLV Mk II) is the largest launch vehicle developed by India, which is currently in operation. This fourth generation launch vehicle is a three stage vehicle with four liquid strap-ons. The indigenously developed cryogenic Upper Stage (CUS), which is flight proven, forms the third stage of GSLV Mk II. From January 2014, the vehicle has achieved four consecutive successes.