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. 1,101 of its fragments are now entered in the Orbital Register.
1,101
Fragments on record
10 Feb 2009
Break-up
15 Dec 2015
Half down by
30 Aug 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 1,101 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
2011-0233COSMOS 2251 DEBNORAD 36621 · 1993-036BEK · FragmentRussia—12 Aug 2011—Re-entered2011-0241COSMOS 2251 DEBNORAD 36072 · 1993-036AYK · FragmentRussia—21 Aug 2011—Re-entered2011-0245COSMOS 2251 DEBNORAD 35995 · 1993-036AWM · FragmentRussia—25 Aug 2011—Re-entered2011-0248COSMOS 2251 DEBNORAD 36631 · 1993-036BEV · FragmentRussia—1 Sep 2011—Re-entered2011-0270COSMOS 2251 DEBNORAD 34551 · 1993-036UM · FragmentRussia—20 Sep 2011—Re-entered2011-0271COSMOS 2251 DEBNORAD 35971 · 1993-036AVM · FragmentRussia—20 Sep 2011—Re-entered2011-0278COSMOS 2251 DEBNORAD 35823 · 1993-036ASV · FragmentRussia—24 Sep 2011—Re-entered2011-0297COSMOS 2251 DEBNORAD 34416 · 1993-036RH · FragmentRussia—4 Oct 2011—Re-entered2011-0298COSMOS 2251 DEBNORAD 36612 · 1993-036BEA · FragmentRussia—4 Oct 2011—Re-entered2011-0299COSMOS 2251 DEBNORAD 34281 · 1993-036MB · FragmentRussia—6 Oct 2011—Re-entered2011-0302COSMOS 2251 DEBNORAD 33927 · 1993-036EG · FragmentRussia—7 Oct 2011—Re-entered2011-0303COSMOS 2251 DEBNORAD 34876 · 1993-036ACP · FragmentRussia—7 Oct 2011—Re-entered2011-0304COSMOS 2251 DEBNORAD 36426 · 1993-036AZZ · FragmentRussia—7 Oct 2011—Re-entered2011-0305COSMOS 2251 DEBNORAD 37324 · 1993-036BKQ · FragmentRussia—7 Oct 2011—Re-entered2011-0309COSMOS 2251 DEBNORAD 34280 · 1993-036MA · FragmentRussia—10 Oct 2011—Re-entered2011-0319COSMOS 2251 DEBNORAD 34312 · 1993-036NJ · FragmentRussia—16 Oct 2011—Re-entered2011-0340COSMOS 2251 DEBNORAD 34621 · 1993-036WS · FragmentRussia—24 Oct 2011—Re-entered2011-0342COSMOS 2251 DEBNORAD 37512 · 1993-036BMR · FragmentRussia—24 Oct 2011—Re-entered2011-0345COSMOS 2251 DEBNORAD 36465 · 1993-036BBQ · FragmentRussia—26 Oct 2011—Re-entered2011-0347COSMOS 2251 DEBNORAD 37298 · 1993-036BJN · FragmentRussia—26 Oct 2011—Re-entered
1,101 entries · page 7 of 56
Other break-ups