ISRO
Indian national space and aeronautics agency
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| March 28 2025 | ISRO successfully completed a 1,000-hour life test of its 300 mN xenon-based Stationary Plasma Thruster (SPT) under 5.4 kW full power in a vacuum chamber, demonstrating a potential breakthrough in electric propulsion technology. |
| March 28 2025 | ISRO announced significant progress in the design and development of a semi-cryogenic engine with a high thrust of 2,000 kN, intended to power the semi-cryogenic booster stage of the LVM3 rocket. |
| March 28 2025 | ISRO announced significant progress in designing a semi-cryogenic engine with 2,000 kN thrust for the LVM3 booster stage. |
| 2025 | V. Narayanan becomes the current Chairman of ISRO, continuing the organization's legacy of space exploration. |
| 2025 | ISRO, in collaboration with IIST and the University of Cambridge, proposed the Exoworlds space telescope mission for atmospheric studies of exoplanets. The telescope is planned to be placed in a stable orbit around the Earth-Sun L2 point and will conduct spectroscopy in the NUV-VISIBLE-IR ranges. |
| 2025 | ISRO scheduled a Venus mission that will include the Venus Infrared Atmospheric Gases Linker (VIRAL) payload, co-developed with French and Russian scientific organizations. |
| 2025 | Planned 21-day Mars and Moon analog mission in Ladakh by Aaka Space Studio and ISRO, aimed at testing human health, endurance, and space technologies in simulated extraterrestrial conditions as part of the Gaganyaan program. |
| 2025 | Planned launch of NISAR, a joint NASA-ISRO dual-frequency synthetic aperture radar satellite for remote sensing, marking the first dual-band radar imaging satellite. |
| 2025 | Planned launch of Gaganyaan 2, the second uncrewed test flight prior to the inaugural crewed mission. |
| February 2025 | Planned launch of Gaganyaan 1, the first of two uncrewed test flights for India's Human Spaceflight Programme, designed to carry three people and test the Gaganyaan spacecraft. |
| January 16 2025 | ISRO's Telemetry, Tracking and Command Network's Mission Operations Complex verified the successful docking process, making India the 4th country to achieve space docking after the USA, Russia, and China. ISRO successfully controlled two satellites as a single entity after docking. |
| January 1 2025 | Planned launch of AstroSat-2, India's second dedicated multi-wavelength space telescope, proposed as a successor to AstroSat-1. |
| 2024 | ISRO begins launching a family of 50 artificial intelligence-based geospatial intelligence satellites to track military movements and photograph areas of interest across different orbits. |
| 2024 | ISRO proposed the Mars Lander Mission (Mangalyaan 2) for launch, which will include a rover, helicopter, sky crane, and supersonic parachute. |
| December 30 2024 | ISRO successfully launched the SpaDeX mission, pioneering spacecraft rendezvous, docking, and undocking using two small satellites. |
| September 18 2024 | The Venus Orbiter Mission (VOM) was approved by the Union Cabinet under Prime Minister Narendra Modi, aiming to study Venus's surface, atmospheric processes, and solar influences. |
| January 6 2024 | Aditya-L1 spacecraft successfully enters its final orbit around the first Sun-Earth Lagrangian point (L1), positioned approximately 1.5 million kilometers from Earth. |
| January 1 2024 | ISRO launched the X-ray Polarimeter Satellite (XPoSat) on a Polar Satellite Launch Vehicle (PSLV-C58) to study polarization of cosmic X-rays from 50 brightest known universe sources. |
| 2023 | Potential earliest launch date considered for the Venus Orbiter Mission to study the planet's atmosphere. |
| 2023 | ISRO presented its satellite-based quantum key distribution (QKD) technology at the Indian Mobile Congress (IMC), showcasing capabilities to develop secure communication technologies that can resist potential breaches by quantum computers. |
| 2023 | Chandrayaan-3's propulsion module successfully incorporated two radioisotope heater units developed by the Department of Atomic Energy, demonstrating ISRO's progress in nuclear heat technology for space missions. |
| 2023 | Aaka Space Studio conducted a technology, human endurance, and habitat design experiment in the Rann of Kutch, simulating lunar conditions as a precursor to more advanced analog mission planning. |
| November 10 2023 | Chandrayaan-3's orbiter exited the lunar sphere of influence, concluding the primary mission phase. |
| September 2023 | ISRO demonstrated free-space quantum communication across a 300-meter distance, successfully conducting live video conferencing using quantum-key encrypted signals, marking a significant milestone in satellite-based quantum communication technology. |
| September 2 2023 | Launch of Aditya-L1, India's first Indian observatory class solar mission to study the solar corona, chromosphere, and solar events using various scientific instruments. |
| August 23 2023 | Chandrayaan-3 successfully landed on the Moon, achieving a historic soft landing and marking a significant accomplishment for ISRO. |
| July 30 2023 | DS-SAR satellite launched by ISRO using PSLV-CA C56 at 01:01 UTC during the 58th PSLV mission, in a commercial launch with 6 additional co-passenger satellites from Singapore, with a mass of 352 kg. |
| July 14 2023 | Chandrayaan-3 was launched from the Satish Dhawan Space Centre using an LVM3 M4 rocket, with the primary objective of demonstrating safe lunar landing and roving capabilities. |
| April 2023 | ISRO suggested aiming for a Gaganyaan launch in 2025. |
| April 22 2023 | TeLEOS-2 satellite launched by ISRO using PSLV-CA C55 at 08:50 UTC during the 57th PSLV mission, with a mass of 741 kg. |
| March 7 2023 | ISRO successfully conducted a controlled re-entry of the Megha-Tropiques satellite by firing four on-board 11 Newton thrusters for 20 minutes each, with the satellite disintegrating over the Pacific Ocean as part of space debris mitigation efforts. |
| 2022 | S. Somanath takes over as ISRO Chairman, succeeding K. Sivan. |
| October 2 2022 | Mars Orbiter Mission (Mangalyaan) concludes its operational mission after nearly 9 years of orbiting Mars. |
| September 2022 | ASTROSAT completed its 7-year mission in the Sun's orbit, providing scientific observations across visible, UV, soft, and hard X-ray regions. |
| August 2022 | ISRO began a series of 20 manoeuvres for controlled re-entry of the decommissioned Megha-Tropiques satellite, spending 120 kg of fuel. |
| July 11 2022 | ISRO System for Safe and Sustainable Space Operations Management (IS4OM) at Space Situational Awareness Control Centre in Peenya was inaugurated by Jitender Singh to provide information on space-related risks and safeguard operational space assets. |
| June 30 2022 | DS-EO satellite launched by ISRO using PSLV-CA C53 at 12:32 UTC, with a mass of 365 kg. |
| April 2022 | India signed a memorandum of understanding on the Space Situational Awareness Data Sharing Pact with the US, enabling collaboration with the Combined Space Operation Center (CSpOC) to protect space-based assets from natural and man-made threats. |
| February 23 2022 | India and Singapore signed a Memorandum of Understanding (MoU) for cooperation in technology, science, and innovation during the virtual India-Singapore Technology Summit 2022, co-organised by Singapore's Ministry of Trade and Industry and India's Department of Science and Technology and CII. |
| 2021 | ISRO and the Indian Institute of Space Science and Technology (IIST) established a joint working framework, creating an Advanced Space Research Group (ASRG) with full access to ISRO facilities, aimed at transforming IIST into a premier space research and engineering institute. |
| March 2021 | Four Indian Air Force personnel completed training at Yuri Gagarin Cosmonaut Training Center. |
| January 2021 | U R Rao Satellite Centre issued an Expression of Interest (EoI) for the design and development of a 100-watt Radioisotope Thermoelectric Generator (RTG), indicating ISRO's advancement in nuclear power technology for spacecraft. |
| 2020 | LPSC (Liquid Propulsion Systems Centre) began cold flow tests of methane and liquid oxygen (LOX) engine prototypes, marking the start of development for reusable methane-based rocket engines. |
| 2020 | ISRO changed the nomenclature of its satellite series from 'GSAT' to 'CMS' |
| 2020 | ISRO unified the naming convention for remote sensing satellites under the prefix 'EOS', standardizing the nomenclature for Indian Earth Observation Satellites across different sub-classes. |
| September 7 2019 | Vikram lander of Chandrayaan-2 attempted to land on the lunar south pole but deviated from its trajectory and crash-landed due to a software glitch, resulting in mission failure. |
| July 22 2019 | Chandrayaan-2 was launched from the Satish Dhawan Space Centre using an LVM3 rocket, with the goal of mapping lunar water and demonstrating advanced lunar exploration capabilities. |
| July 1 2019 | Human Space Flight Centre and Glavcosmos signed an agreement for selection, support, medical examination, and space training of Indian astronauts. |
| April 1 2019 | ISRO launched EMISAT, an electronic intelligence (ELINT) satellite designed to improve situational awareness of the Indian Armed Forces by providing information on the location of hostile radars. |
| March 2019 | ISRO recommended the Indian Spectroscopic and Imaging Space Telescope (INSIST) for pre-project phase with seed funding, initiating the potential development of a new space telescope with deep UV-optical imaging and spectroscopic capabilities. |
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