Co-Orbital ASAT Events

InterceptorDate of TestTarget ObjectCountryObject HitTotal Pieces of Cataloged Debris* CreatedTotal Pieces Cataloged Debris Re-enteredAmount of Debris Still on OrbitDate of Final Piece Re-entryLifespan of Debris years on orbit or to date)NotesSource
Polyot 11/11/63NoneRussia000• Engine and maneuvering testhttp://astronautix.com/i/is-a.html
Polyot 212/4/64NoneRussia000• Engine and maneuvering testhttp://astronautix.com/i/is-a.html
Cosmos 185 (IS)10/27/1967NoneRussia000• First test launch of IS interceptorhttp://astronautix.com/i/is-a.html
Cosmos 249, Cosmos 252 (IS)10/20/1968Cosmos 248RussiaYes25217379Still On Orbit52.75• Attacked twice: Cosmos 249 on Oct 20 and Cosmos 252 on Nov 1http://astronautix.com/i/is-a.html
Cosmos 374, Cosmos 375(IS)10/23/1970Cosmos 373RussiaYes14711235Still On Orbit50.74• Attacked twice: Cosmos 374 on Oct 23 and Cosmos 375 on Oct 30http://astronautix.com/i/is-a.html
Cosmos 397 (IS)2/25/1971Cosmos 394RussiaYes1177245Still On Orbit50.39• Successful ASAT testhttp://astronautix.com/i/is-a.html
Cosmos 404 (IS)3/18/1971Cosmos 400Russia000• Longer test flight with new approach from above to intercept targethttp://astronautix.com/i/is-a.html
Cosmos 462 (IS)3/12/71Cosmos 459RussiaYes282804/4/753.34• Successful, created least amount of debrishttp://astronautix.com/i/is-a.html
Cosmos 804, Cosmos 814 (IS)2/16/1976Cosmos 803Russia000• Attacked twice: Cosmos 803 on Feb 12 and Cosmos 804 on Feb 16http://astronautix.com/i/is-a.html
Cosmos 843 (IS)9/7/76Cosmos 839Russia000Intercepted satellite but possible failure http://astronautix.com/i/is-a.html
De-orbited post launch
Cosmos 886 (IS)12/17/1976Cosmos 880RussiaYes1276958Still On Orbit44.58• Intercepted target and successfully destroyedhttp://astronautix.com/i/is-a.html
Cosmos 910, Cosmos 918 (IS)5/23/1977Cosmos 909Russia000• Attacked twice: Cosmos 910 on May 23 and Cosmos 918 on Jun 17 (both failures)http://astronautix.com/i/is-a.html
Cosmos 961 (IS)10/26/1977Cosmos 959Russia000Successful ASAT testhttp://astronautix.com/i/is-a.html
Interceptor de-orbited after using on-board enginer
Cosmos 970 (IS)12/21/1977Cosmos 967Russia000• Missed target, used as target itself in following testhttp://astronautix.com/i/is-a.html
Cosmos 1009 (IS)5/19/1978Cosmos 970RussiaYes71764Still On Orbit43.16Successful ASAT test http://astronautix.com/i/is-a.html
Interceptor self destructed after
Cosmos 1174 (IS)4/18/1980Cosmos 1171RussiaYes47434Still On Orbit41.24Failed ASAT test, interceptor missed target twice http://astronautix.com/i/is-a.html
Satellite self-destructed causing debris
Cosmos 1243, Cosmos 1258 (IS)2/2/81Cosmos 1241Russia000• Attacked twice: Cosmos 1243 on Feb 2 and Cosmos 1258 on Mar 14 (both failures)http://astronautix.com/i/is-a.html
Cosmos 1379 (IS-P)6/18/1982Cosmos 1375RussiaYes62458Still On Orbit39.08• Possibly successful ASAT test, deorbited using on-board enginerhttp://astronautix.com/i/is-a.html
Naryad-V11/20/90NoneRussia000• Suborbital test of the rocket and Briz upper stage“Naryad-V and the Soviet Anti-Satellite Fleet” - HENDRICKX http://www.russianspaceweb.com/naryad.html
Naryad-V12/20/91NoneRussia000• Suborbital test of the rocket and Briz upper stage“Naryad-V and the Soviet Anti-Satellite Fleet” - HENDRICKX http://www.russianspaceweb.com/naryad.html
Naryad-V12/26/94NoneRussia27324Still On Orbit26.55Potential stealth test, covered by launch of Radio-ROSTO “Naryad-V and the Soviet Anti-Satellite Fleet” - HENDRICKX http://www.russianspaceweb.com/naryad.html
Nayrad-V exploded in orbithttps://space.skyrocket.de/doc_sdat/radio-rosto.htm
Cosmos 2521Aug-Oct 2017NoneRussia000Cosmos 2523 separated from 2521 at relatively high speed https://swfound.org/counterspace/
Characterized by the US government as a potential weapons testhttp://www.astronautix.com/s/soyuz-2-1v.html
• May be part of Burevestnik co-orbital ASAT program or the Nivelir satellite inspection programhttps://www.thespacereview.com/article/3931/1
Cosmos 2536September 2019Cosmos 2535RussiaYes271314Still On Orbit0.93Cosmos 2535 intially deployed from Cosmos 2521 but immediately changed orbits away from Cosmos 2535https://swfound.org/counterspace/
Cosmos 2535 and Cosmos 2536 conducted at least 25 individual RPO operations to within 2 km and as far apart as 380 km.https://www.thespacereview.com/article/3931/1
• High speed passes, created debris — possible ASAT or mistake
Cosmos 25437/15/2020NoneRussia0000Cosmos Object 45915 separated from 2543 at relatively high speedhttp://www.russianspaceweb.com/cosmos-2542.html
Characterized by the US government as a potential weapons testhttps://planet4589.org/space/plots//niv/index.html
• May be part of Burevestnik co-orbital ASAT program or the Nivelir satellite inspection program
Delta 180 Payload Adapter System5/9/86Delta 2 R/BUSAYes1616010/31/19860.15• Sucessful intercept of thrusting object in 220-km circular orbithttps://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjruqnx8J3qAhWRjp4KHaXkC1UQFjAAegQIBRAB&url=https%3A%2F%2Fwww.jhuapl.edu%2FContent%2Ftechdigest%2Fpdf%2FV11-N1-2%2F11-01-Dassoulas.pdf&usg=AOvVaw2tndnwUOIsZRaB4BsNxOSr
https://space.skyrocket.de/doc_sdat/vse.htm