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
2012-0023COSMOS 2251 DEBNORAD 35731 · 1993-036ARC · FragmentRussia—16 Jan 2012—Re-entered2012-0028COSMOS 2251 DEBNORAD 35447 · 1993-036AKR · FragmentRussia—19 Jan 2012—Re-entered2012-0037COSMOS 2251 DEBNORAD 37991 · 1993-036BQS · FragmentRussia—24 Jan 2012—Re-entered2012-0039COSMOS 2251 DEBNORAD 36475 · 1993-036BCA · FragmentRussia—25 Jan 2012—Re-entered2012-0041COSMOS 2251 DEBNORAD 37104 · 1993-036BGA · FragmentRussia—26 Jan 2012—Re-entered2012-0043COSMOS 2251 DEBNORAD 34925 · 1993-036ADW · FragmentRussia—27 Jan 2012—Re-entered2012-0048COSMOS 2251 DEBNORAD 34633 · 1993-036XE · FragmentRussia—1 Feb 2012—Re-entered2012-0052COSMOS 2251 DEBNORAD 36003 · 1993-036AWV · FragmentRussia—3 Feb 2012—Re-entered2012-0063COSMOS 2251 DEBNORAD 35990 · 1993-036AWG · FragmentRussia—16 Feb 2012—Re-entered2012-0073COSMOS 2251 DEBNORAD 33988 · 1993-036FX · FragmentRussia—27 Feb 2012—Re-entered2012-0074COSMOS 2251 DEBNORAD 34956 · 1993-036AEK · FragmentRussia—27 Feb 2012—Re-entered2012-0079COSMOS 2251 DEBNORAD 33946 · 1993-036FB · FragmentRussia—2 Mar 2012—Re-entered2012-0080COSMOS 2251 DEBNORAD 37272 · 1993-036BHL · FragmentRussia—2 Mar 2012—Re-entered2012-0082COSMOS 2251 DEBNORAD 34919 · 1993-036ADQ · FragmentRussia—3 Mar 2012—Re-entered2012-0083COSMOS 2251 DEBNORAD 36472 · 1993-036BBX · FragmentRussia—3 Mar 2012—Re-entered2012-0087COSMOS 2251 DEBNORAD 36634 · 1993-036BEY · FragmentRussia—4 Mar 2012—Re-entered2012-0089COSMOS 2251 DEBNORAD 36525 · 1993-036BCK · FragmentRussia—7 Mar 2012—Re-entered2012-0097COSMOS 2251 DEBNORAD 33891 · 1993-036CU · FragmentRussia—12 Mar 2012—Re-entered2012-0099COSMOS 2251 DEBNORAD 36464 · 1993-036BBP · FragmentRussia—12 Mar 2012—Re-entered2012-0104COSMOS 2251 DEBNORAD 33820 · 1993-036BM · FragmentRussia—19 Mar 2012—Re-entered
1,101 entries · page 10 of 56
Other break-ups