AstronomyA Russian satellite has broken into pieces, littering debris...

A Russian satellite has broken into pieces, littering debris in space

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Area junk orbiting round earth – Conceptual of air pollution round our planet. Credit score: NASA – http://visibleearth.nasa.gov/

A Russian KOSMOS 2499 satellite broke up final month—for a second time—in keeping with the Area Drive’s 18th Area Protection Squadron. In a current tweet, the Area Drive mentioned they’re presently monitoring 85 particular person items of particles at an altitude of 1,169 km (726 miles). The breakup occurred on January 4, 2023, however the purpose for the disintegration stays unknown.

At this high altitude, it would take many years for the particles to deorbit and fritter away within the Earth’s ambiance. The particles is situated in an more and more busy area in Earth’s orbit.

However that is really the second breakup occasion of Kosmos 2499. The primary fragmentation occurred on October 23, 2021, in keeping with Jonathan McDowell, an astronomer on the Harvard-Smithsonian Heart for Astrophysics who additionally tracks space debris. That occasion created 22 items of trackable particles.

This satellite has had a curious historical past. Russia quietly launched KOSMOS 2499 on Could 23, 2014. However monitoring indicated the satellite carried out uncommon maneuvers, main some to take a position that it could be an experimental anti-satellite weapon, satellite upkeep car, or collector of space particles.

Nevertheless, an article revealed on the official Moscow Institute of Physics and Expertise web site indicated the satellite was designed to check experimental plasma propulsion engines/ion thrusters.

Each the primary and now second breakup occasion was considered brought on by an explosion of that propulsion system. LeoLabs, Inc., a industrial supplier of low Earth orbit mapping and monitoring additionally tweeted concerning the present scenario, saying that their evaluation factors towards a low depth explosion, “as a result of asymmetry of the particles cloud, magnitude of the rate imparted to the fragments, and a recognized energetic supply on board” (i.e., the propulsion system).

LeoLabs mentioned one other equivalent spacecraft, Kosmos 2491, exploded in 2020, and that occasion has been attributed to an explosion of the propulsion system.

This occasion follows a current shut name the place two items of leftover Soviet-era space junk handed inside ft of one another on January 27, 2023. A chunk of a rocket stage got here as shut as 19.7 ft (six meters) from a defunct satellite at an altitude of 611 miles (984 km) above Earth’s floor. If the 2 had collided, they might have created a particles cloud stuffed with 1000’s of tiny items of harmful space junk.

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A Russian satellite has damaged into items, littering particles in space (2023, February 9)
retrieved 9 February 2023
from https://phys.org/information/2023-02-russian-satellite-broken-pieces-littering.html

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