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List of space debris producing events
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    List of space debris producing events

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    Major contributors to space debris include the explosion of upper stages and satellite collisions.

    Overview

    There were 190 known satellite breakups between 1961 and 2006. By 2015, the total had grown to 250 on-orbit fragmentation events.

    As of 2012 there were an estimated 500,000 pieces of debris in orbit, with 300,000 pieces below 2000 km (LEO). Of the total, about 20,000 are tracked. Also, about sixteen old Soviet nuclear space reactors are known to have released an estimated 100,000 NaK liquid metal coolant droplets 800–900 km up, which range in size from 1 – 6 cm.

    The greatest risk to space missions is from untracked debris between 1 and 10 cm in size. Large pieces can be tracked and avoided, and impact from smaller pieces are usually survivable.

    Top debris creation events

    Top debris creation events, December 2022
    Object Year Pieces Notes
    Fengyun-1C 2007 3,549 Intentional collision (ASAT)
    Kosmos 2251 2009 1,716 Accidental collision with Iridium 33
    Kosmos 1408 2021 1,562 Intentional collision (ASAT)
    STEP 2 Rocket Body 1996 756 Residual propellant explosion
    Iridium 33 2009 659 Accidental collision with Kosmos 2251
    Kosmos 2421 2008 511 Disintegrated
    SPOT 1 Rocket Body 1986 506 Residual propellant explosion
    Parus 1981 482 Battery explosion
    OV2-1 Rocket Body 1965 473 Engine explosion
    Nimbus 4 Rocket Body 1970 465 Residual propellant explosion
    NOAA-16 2015 458 Battery explosion
    TES Rocket Body 2001 373 Residual propellant explosion
    CBERS 1 Rocket Body 2000 344 Residual propellant explosion
    Fregat tank 2020 338 Residual propellant explosion
    Ablestar 1961 320 Residual propellant explosion
    Delta 2910 1975 313 Residual propellant explosion
    Solwind 1985 289 Intentional collision (ASAT)

    Recent events

    Date Object International Designation Cause Total Pieces Pieces in Orbit Reentered Pieces as of Dec 2022
    August 31, 2018 Centaur V upper stage 2014-055B Unknown 107 107 0
    December 22, 2018 ORBCOMM FM-16 1998-046E Energetic fragmentation; Probably caused by left over propellent 13 5 8
    January 24, 2019 Microsat-R 2019-006A ASAT (Anti-Satellite) weapon system test 129 0 129
    February 6, 2019 H2-A 202 Rocket Body 2018-084L Unknown; Third known breakup of an H-2A Rocket Body 6 0 6
    February 6, 2019 H2-A 202 Payload Adapter 2018-084E Energetic fragmentation event; Cause Unknown 3 0 3
    April 2019 Centaur V Rocket Body 2018-079B Energetic fragmentation event; Cause Unknown 193 192 1
    May 7, 2019 Titan IIIC Transtage rocket body 1976-023F Energetic fragmentation event by caused the overheating of leftover anhydrous hydrazine(N2H4) Mono Propellant ? ? ?
    August 19, 2019 SOZ (Sistema Obespecheniya Zapuska) ullage motor from a Proton Block DM fourth stage 2010-041H Energetic fragmentation event; caused by left over fuel in the ullage motor. 30th fragmentation event of a SOZ unit. 34 intact units remain in orbit 23 23 0
    August 13, 2019 Ariane 42P third stage rocket body 1992-052D Unknown 10 10 0
    December 23, 2019 Kosmos 2491 2013-076E Unknown ~20 ~20 0
    May 8, 2020 Fregat tank 2011-037B Unknown, possibly explosion 346 280 66
    July 12, 2020 H2-A 202 Fairing 2018-084C Collision with untracked debris 123 5 118
    March 18, 2021 Yunhai-1 02 2019-063A Accidental collision with a fragment from the Zenit-2 rocket body that launched Tselina-2 in 1996. 39 20 19
    November 15, 2021 Kosmos 1408 1982-092A ASAT (Anti-Satellite) weapon system test 1787 394 1393
    November 12, 2022 Long March 6A upper stage 2022-151B Unknown 350 349 1
    November 17, 2022 H2-A 202 Payload fairing 2012-025F Energetic fragmentation event; Cause unknown 50+ 50+ 0
    January 4, 2023 Kosmos 2499 2014-028E Unknown 85 85 0
    March 11, 2023 Orbcomm F36 1999-065E Unknown; likely energetic fragmentation event caused by a malfunction in the hydrazine orbit adjust system 7 7 0

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