Indian Space Situational Assessment Report (ISSAR) for 2023

ISRO released the Indian Space Situational Assessment Report (ISSAR) for 2023 compiled by ISRO System for Safe and Sustainable Space Operations Management (IS4OM) on April 2, 2024.

  • Space assets operating in outer space are vulnerable to various environmental hazards- natural objects like asteroids, comets, and meteoroids, energy and particle flux, and artificial space objects.
  • Therefore, continual awareness of the space environment and its future evolution, namely Space Situational Awareness (SSA), becomes an essential pre-requisite for safe and sustainable operations in outer space.
  • During the year more space objects were placed in orbit compared to the previous year. A total of 3143 objects originating from 212 launches and on-orbit break-up events were added to the space object population in 2023 compared to 2533 objects from 179 launches in 2022.
  • There were five major on-orbit break-up events in 2023. Some of these fragments decayed within the same year, resulting in a net addition of 69 fragmented objects to the population of space debris by the end of 2023.
  • Since the beginning of the Indian space era, a total of 127 Indian satellites, including those from private operators/academic institutions, have been launched till 31st December 2023.
  • In the year 2023, all seven launches of ISRO, namely SSLV-D2/EOS7, LVM3-M3/ONEWEB_II, PSLV-C55/ TeLEOS-2, GSLV-F12 NVS-01, LVM3-M4/ Chandrayaan-3, PSLV-C56/ DS-SAR, and PSLV-C57/Aditya L-1, were successful. A total of 5 Indian satellites, 46 foreign satellites, and 8 rocket bodies (including POEM-2) were placed in their intended orbits.

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