Break-up record
Cosmos 2251
On 10 February 2009 the retired Russian satellite Cosmos 2251 collided with the working communications satellite Iridium 33, the first accidental collision between two intact satellites. 1,104 of its fragments are now entered in the Orbital Register.
1,104
Fragments on record
10 Feb 2009
Break-up
13 Jan 2016
Half down by
28 Sep 2026
Latest to come down
608
Still in orbit
Fragments coming down, month by month
Bars: per month · line: share of the cloud downFragments re-entered that monthShare of all 1,104 on record
The fragments
Every fragment on record
Each fragment has its own register entry and permanent number. Fragment pages are kept out of search results; this page carries them.
Entry no.ObjectCountryLaunchedEnded (UTC)In orbitHow it ended
2020-0312COSMOS 2251 DEBNORAD 35468 · 1993-036ALN · FragmentRussia—6 Nov 2020—Re-entered2020-0398COSMOS 2251 DEBNORAD 40234 · 1993-036BVP · FragmentRussia—10 Dec 2020—Re-entered2020-0405COSMOS 2251 DEBNORAD 37341 · 1993-036BLH · FragmentRussia—14 Dec 2020—Re-entered2021-0032COSMOS 2251 DEBNORAD 37323 · 1993-036BKP · FragmentRussia—27 Jan 2021—Re-entered2021-0034COSMOS 2251 DEBNORAD 37503 · 1993-036BMG · FragmentRussia—30 Jan 2021—Re-entered2021-0038COSMOS 2251 DEBNORAD 37334 · 1993-036BLA · FragmentRussia—6 Feb 2021—Re-entered2021-0097COSMOS 2251 DEBNORAD 38214 · 1993-036BTE · FragmentRussia—16 Mar 2021—Re-entered2021-0107COSMOS 2251 DEBNORAD 37958 · 1993-036BPH · FragmentRussia—27 Mar 2021—Re-entered2021-0125COSMOS 2251 DEBNORAD 36526 · 1993-036BCL · FragmentRussia—5 Apr 2021—Re-entered2021-0130COSMOS 2251 DEBNORAD 35707 · 1993-036AQC · FragmentRussia—7 Apr 2021—Re-entered2021-0159COSMOS 2251 DEBNORAD 36388 · 1993-036AZR · FragmentRussia—28 Apr 2021—Re-entered2021-0195COSMOS 2251 DEBNORAD 34333 · 1993-036PF · FragmentRussia—5 Jun 2021—Re-entered2021-0196COSMOS 2251 DEBNORAD 40809 · 1993-036BWN · FragmentRussia—5 Jun 2021—Re-entered2021-0202COSMOS 2251 DEBNORAD 38219 · 1993-036BTK · FragmentRussia—8 Jun 2021—Re-entered2021-0232COSMOS 2251 DEBNORAD 33909 · 1993-036DN · FragmentRussia—2 Jul 2021—Re-entered2021-0242COSMOS 2251 DEBNORAD 36461 · 1993-036BBL · FragmentRussia—6 Jul 2021—Re-entered2021-0271COSMOS 2251 DEBNORAD 34631 · 1993-036XC · FragmentRussia—4 Aug 2021—Re-entered2021-0293COSMOS 2251 DEBNORAD 34448 · 1993-036SR · FragmentRussia—24 Aug 2021—Re-entered2021-0315COSMOS 2251 DEBNORAD 34017 · 1993-036HC · FragmentRussia—15 Sep 2021—Re-entered2021-0404COSMOS 2251 DEBNORAD 35730 · 1993-036ARB · FragmentRussia—12 Nov 2021—Re-entered
1,104 entries · page 32 of 56
Other break-ups