ISRO’s annual assessment of the prevailing space situation is also compiled in the form of the Indian Space Situational Assessment Report (ISSAR).
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.
According to the report, about 1,37,565 close approach alerts were received from US Space Command.
Also, a total of 3,033 alerts for close approaches within the distance of one kilometre were deduced by the ISRO satellites.
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.
As of 31 Dec 2023, the number of operational satellites owned by Govt. of India is 22 in LEO (Low Earth Orbit) and 29 in GEO (Geo-synchronous Earth Orbit).
In addition, three Indian deep space missions were also active by the end of 2023, namely, Chandrayaan-2 Orbiter, Aditya-L1, and the Propulsion Module of Chandrayaan-3.
A total of 21 Indian satellites have re-entered the atmosphere till the end of 2023.
In the year 2023 alone, 8 Indian satellites have re-entered the atmosphere.
A total of 82 rocket bodies from Indian launches were placed in orbit till 2023.