News for 'Geosynchronous Transfer Orbit'

ISRO Reveals Connector Flaw Behind NVS-02

ISRO Reveals Connector Flaw Behind NVS-02

Rediff.com2 days ago

ISRO stated that the disengagement of at least one contact -- in both the main and redundant paths -- of a connector led to the failure of NVS-02.

ISRO's 'Bahubali' rocket injects heaviest satellite in orbit

ISRO's 'Bahubali' rocket injects heaviest satellite in orbit

Rediff.com2 Nov 2025

The heaviest communication satellite to be launched from the Indian soil onboard a new generation, homegrown 'Bahubali' rocket was successfully placed into the intended orbit on Sunday, the Indian Space Research Organisation said.

PSLV-C62 Failure: Centre Orders High-Level Probe

PSLV-C62 Failure: Centre Orders High-Level Probe

Rediff.com6 days ago

The move follows a quiet visit by National Security Advisor Ajit Kumar Doval to the Vikram Sarabhai Space Centre in Thiruvananthapuram.

Historic! ISRO's 'Bahubali' rocket launches heaviest-ever satellite

Historic! ISRO's 'Bahubali' rocket launches heaviest-ever satellite

Rediff.com24 Dec 2025

Weighing 6,100 kg, the communication satellite would be the heaviest payload to be placed into the Low Earth Orbit (LEO) in LVM3 launch history from Indian soil.

Countdown starts: ISRO's heaviest satellite ready for launch

Countdown starts: ISRO's heaviest satellite ready for launch

Rediff.com2 Nov 2025

The satellite, weighing about 4,410 kg will be the heaviest to be launched from the Indian soil and into a Geosynchronous Transfer Orbit (GTO), the space agency said. The satellite will travel onboard a LVM3-M5 rocket, dubbed as 'Bahubali' for its heavylift capability.

Countdown begins for launch of ISRO's heaviest satellite

Countdown begins for launch of ISRO's heaviest satellite

Rediff.com1 Nov 2025

ISRO is set to launch its communication satellite CMS-03 from Sriharikota. The satellite, weighing 4,410 kg, will be the heaviest launched from Indian soil into a Geosynchronous Transfer Orbit (GTO).

The Puzzling Failure of PSLV-C62

The Puzzling Failure of PSLV-C62

Rediff.com15 Jan 2026

'A solid motor, once ignited, burns until the propellant is exhausted. It cannot simply stop mid-burn,' said a retired senior ISRO official. 'That is what makes this failure puzzling.' Venkatachari Jagannathan reports on the latest PSLV failure.

GSAT-12 satellite placed in geosynchronous orbit

GSAT-12 satellite placed in geosynchronous orbit

Rediff.com21 Jul 2011

The GSAT-12 communication satellite, launched onboard PSLV-C17, has been successfully placed in geosynchronous orbit with a perigee of 35,684 km, apogee of 35,715 km and an orbital inclination of 0.17 deg with respect to the equatorial plane.

Former ISRO Chairman To Probe Failure

Former ISRO Chairman To Probe Failure

Rediff.com8 Feb 2025

'The work is already on with various data being studied.'

Pyro Valve Failure: Big Setback For ISRO

Pyro Valve Failure: Big Setback For ISRO

Rediff.com3 Feb 2025

'The satellite's condition is healthy.'

100th space launch from Sriharikota on Jan 29

100th space launch from Sriharikota on Jan 29

Rediff.com24 Jan 2025

The Indian Space Research Organisation will open 2025 scoring a century orbiting the country's navigation satellite 2,250 kg NVS-02 with its rocket Geosynchronous Satellite Launch Vehicle (GSLV)-F15.

'Matured boy' GSLV places gen-next INSAT-3DS weather satellite into orbit

'Matured boy' GSLV places gen-next INSAT-3DS weather satellite into orbit

Rediff.com17 Feb 2024

ISRO chairman S Somanath said the success gave the space agency "greater confidence," as the GSLV will be next deployed in the NISAR mission, a collaborative effort with the US' NASA.

India's NavIC satnav system faces crucial test during war

India's NavIC satnav system faces crucial test during war

Rediff.com29 Apr 2025

The need for NavIC was cemented after India was denied access to crucial navigation data from global providers during the 1999 Kargil War.

Countdown Begins For ISRO's 100th Launch

Countdown Begins For ISRO's 100th Launch

Rediff.com28 Jan 2025

At 6.23 am on 29.1.2025, the 50.9 metre tall and weighing 420.7 ton Geosynchronous Satellite Launch Vehicle-F15 (GSLV-F15) is slated to blast off from the second launch pad carrying the 2,250 kg NVS-02 navigation satellite.

What Went Wrong With ISRO's Latest Mission?

What Went Wrong With ISRO's Latest Mission?

Rediff.com19 Feb 2025

ISRO's vendor policy and quality control processes are under scanner.

ISRO launches 2G navigation satellite into intended orbit

ISRO launches 2G navigation satellite into intended orbit

Rediff.com29 May 2023

The Indian Space Research Organisation (ISRO) on Monday successfully launched a second generation navigation satellite, using a GSLV rocket with a cryogenic upper stage to do the job.

First orbit raising operation of GSAT-6 completes successfully

First orbit raising operation of GSAT-6 completes successfully

Rediff.com29 Aug 2015

"First orbit raising operation of GSAT-6 was successfully completed by firing the Apogee Motor for 3385 seconds at 8:35 pm IST on August 28," the ISRO said.

ISRO all set to launch GSLV-D3 today

ISRO all set to launch GSLV-D3 today

Rediff.com15 Apr 2010

Indian Space Research Organisation is all set for the launch of the first flight-testing of indigenous cryogenic engine on homespun rocket, Geosynchronous Satellite Launch Vehicle (GSLV-D3), from the Satish Dhawan Space Centre at Sriharikota at 4.27 pm on Thursday.

ISRO's 100th Mission Lifts Off In Style

ISRO's 100th Mission Lifts Off In Style

Rediff.com29 Jan 2025

The Indian Space Research Organisation successfully launched its 100th mission on Wednesday, with a GSLV rocket carrying navigation satellite NVS-02.

GSLV-D2 blasts off

GSLV-D2 blasts off

Rediff.com8 May 2003

The flight took off from Sriharikota in the Bay of Bengal on schedule.

Chandrayaan-3 success gives boost to ISRO's Gaganyaan mission

Chandrayaan-3 success gives boost to ISRO's Gaganyaan mission

Rediff.com15 Jul 2023

For the Gaganyaan programme, LVM3 rocket is re-configured to meet the human rating requirements and has been christened as 'Human Rated LVM3', ISRO said and it would be capable of launching the Orbital Module to an Low Earth Orbit of 400kms.

ISRO's GSAT-30 satellite launched aboard Ariane rocket

ISRO's GSAT-30 satellite launched aboard Ariane rocket

Rediff.com18 Jan 2020

The 3,357-kg satellite, which was deployed from the lower passenger position of Ariane-5 launch vehicle (VA 251) into the geostationary transfer orbit, is configured on ISRO's enhanced I-3K Bus structure to provide communication services from Geostationary orbit in C and Ku bands.

Unique experiment: Chandrayaan-3 propulsion module moved to orbit Earth

Unique experiment: Chandrayaan-3 propulsion module moved to orbit Earth

Rediff.com5 Dec 2023

The Propulsion Module (PM) of Chandrayaan-3 has been moved from an orbit around the Moon to an orbit around Earth, the Indian Space Research Organisation (ISRO) has said, terming the operation a unique experiment.

ISRO's LVM3 to make commercial foray with launch of 36 satellites

ISRO's LVM3 to make commercial foray with launch of 36 satellites

Rediff.com15 Oct 2022

Indian Space Research Organisation's (ISRO's) heaviest rocket LVM3 will launch British start-up OneWeb's 36 broadband satellites from the spaceport in Andhra Pradesh's Sriharikota on October 23, marking the launcher's entry into the global commercial launch service market.

INSAT-4B launched successfully

INSAT-4B launched successfully

Rediff.com12 Mar 2007

The MCF subsequently issued commands to the satellite to make the earth viewing face to orient towards earth. The calibration of the gyros on board the satellite was also carried out.

ISRO's GSLV fails to place earth observation satellite into orbit

ISRO's GSLV fails to place earth observation satellite into orbit

Rediff.com12 Aug 2021

Indian Space Research Organisation's second mission of the year to place an earth observation satellite by a GSLV rocket faced a setback as the mission could not be accomplished fully due to performance anomaly in the cryogenic stage of the rocket, the space agency said on Thursday.

'Bahubali' rocket that will launch Chandrayaan-2

'Bahubali' rocket that will launch Chandrayaan-2

Rediff.com11 Jul 2019

The Indian Space Research Organisation has released the first images of India's heaviest rocket, referred to as "Bahubali" days before it ferries India's Chandrayaan-2 into space. India's most ambitious space mission yet, Chandrayaan-2, which aims to place a robotic rover on the moon, will be launched on July 15 at 2:51 am. Here's all you need to know about the rocket.

Earth observation satellite-03 blasts off at 5.43 am, ISRO's 2nd launch this year

Earth observation satellite-03 blasts off at 5.43 am, ISRO's 2nd launch this year

Rediff.com12 Aug 2021

The earth observation satellite would provide real-time images of the country and also be able to quickly monitor natural disasters.

ISRO all set for maiden commercial launch of 36 broadband satellites

ISRO all set for maiden commercial launch of 36 broadband satellites

Rediff.com22 Oct 2022

The Indian Space Research Organisation (ISRO) is all set to make its maiden commercial launch of 36 broadband communication satellites on board the space agency's heaviest rocket LVM3-M2, the countdown for which began early on Saturday at Sriharikota spaceport in Andhra Pradesh.

GSAT-11 satellite, ISRO's heaviest, to be launched on Dec 5

GSAT-11 satellite, ISRO's heaviest, to be launched on Dec 5

Rediff.com1 Dec 2018

Weighing about 5,854 kg, GSAT-11 would play a vital role in providing broadband services across the country, and also provide a platform to demonstrate new generation applications.

GSAT-15, India's latest communications satellite, launched successfully

GSAT-15, India's latest communications satellite, launched successfully

Rediff.com11 Nov 2015

A high power satellite, GSAT-15 is being inducted into the INSAT/GSAT system. GSAT-15 carries a total of 24 communication transponders in Ku-band as well as a GPS-Aided GEO Augmented Navigation (GAGAN) payload operating in L1 and L5 bands.

Under Trump India-US Space Sector May Soar

Under Trump India-US Space Sector May Soar

Rediff.com22 Nov 2024

'With India's growing capabilities in the space sector, this creates promising opportunities for enhanced collaboration and market access.'

ISRO back in action; plans to launch geo imaging satellite on Aug 12

ISRO back in action; plans to launch geo imaging satellite on Aug 12

Rediff.com10 Jul 2021

The 2,268-kg GISAT-1 was originally slated to be launched from Sriharikota in Andhra Pradesh's Nellore district, about 100 kms north of Chennai, on March 5 last year but was postponed a day before the blast-off due to technical reasons.

India launches communication satellite from Sriharikota

India launches communication satellite from Sriharikota

Rediff.com17 Dec 2020

Thursday's launch is the last one of 2020 for ISRO.

ISRO launches India's heaviest satellite GSAT-11, will boost net connectivity

ISRO launches India's heaviest satellite GSAT-11, will boost net connectivity

Rediff.com5 Dec 2018

ISRO Chairman K Sivan described the GSAT-11 as the "richest space asset" for India.

India's GSAT-18 satellite launched successfully

India's GSAT-18 satellite launched successfully

Rediff.com6 Oct 2016

GSAT-18, which aims at providing telecommunications services for the country by strengthening ISRO's current fleet of 14 operational telecom satellites, was launched into a Geosynchronous Transfer Orbit about 32 minutes after the lift-off.

ISRO conducts key test of its heaviest rocket's engine

ISRO conducts key test of its heaviest rocket's engine

Rediff.com29 Oct 2022

The engine is earmarked for the LVM3-M3 mission identified for launching the next 36 OneWeb India-1 satellites, the Indian Space Research Organisation said.

India to take one step closer to desi GPS on October 16

India to take one step closer to desi GPS on October 16

Rediff.com9 Oct 2014

The launch of IRNSS IC, the third of seven satellites in the series to put in place India's navigation system at par with US' Global Positioning System, that was deferred following a technical snag has been rescheduled for October 16.

Setback for ISRO as maiden SSLV mission suffers 'data loss'

Setback for ISRO as maiden SSLV mission suffers 'data loss'

Rediff.com7 Aug 2022

On Sunday morning, in its mission to place an earth observation satellite and students satellite into the low earth orbit, the SSLV-D1/EOS-02 blasted off precisely at 9.18 am amid cloudy skies from the first launch pad at Satish Dhawan Space Centre in this spaceport.

Heavy cross winds delay GSAT-18 launch by a day

Heavy cross winds delay GSAT-18 launch by a day

Rediff.com5 Oct 2016

Arianespace launch vehicle Ariane-5 VA-231, carrying GSAT-18 along with co-passenger Sky Muster II for the Australian operator nbn (National Broadband Network) was scheduled for launch at 2am on Wednesday.