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
2009-0151COSMOS 2251 DEBNORAD 33788 · 1993-036AD · FragmentRussia—24 May 2009—Re-entered2009-0153COSMOS 2251 DEBNORAD 33787 · 1993-036AC · FragmentRussia—25 May 2009—Re-entered2009-0161COSMOS 2251 DEBNORAD 33998 · 1993-036GH · FragmentRussia—4 Jun 2009—Re-entered2009-0165COSMOS 2251 DEBNORAD 34749 · 1993-036ZT · FragmentRussia—16 Jun 2009—Re-entered2009-0168COSMOS 2251 DEBNORAD 34734 · 1993-036ZC · FragmentRussia—23 Jun 2009—Re-entered2009-0172COSMOS 2251 DEBNORAD 34450 · 1993-036ST · FragmentRussia—29 Jun 2009—Re-entered2009-0174COSMOS 2251 DEBNORAD 33794 · 1993-036AK · FragmentRussia—30 Jun 2009—Re-entered2009-0175COSMOS 2251 DEBNORAD 34067 · 1993-036KE · FragmentRussia—1 Jul 2009—Re-entered2009-0177COSMOS 2251 DEBNORAD 34623 · 1993-036WU · FragmentRussia—5 Jul 2009—Re-entered2009-0179COSMOS 2251 DEBNORAD 34980 · 1993-036AFK · FragmentRussia—6 Jul 2009—Re-entered2009-0193COSMOS 2251 DEBNORAD 33833 · 1993-036CA · FragmentRussia—27 Jul 2009—Re-entered2009-0204COSMOS 2251 DEBNORAD 34686 · 1993-036YG · FragmentRussia—7 Aug 2009—Re-entered2009-0210COSMOS 2251 DEBNORAD 34673 · 1993-036XT · FragmentRussia—18 Aug 2009—Re-entered2009-0236COSMOS 2251 DEBNORAD 33829 · 1993-036BW · FragmentRussia—27 Sep 2009—Re-entered2009-0241COSMOS 2251 DEBNORAD 34384 · 1993-036PZ · FragmentRussia—3 Oct 2009—Re-entered2009-0283COSMOS 2251 DEBNORAD 34415 · 1993-036RG · FragmentRussia—29 Nov 2009—Re-entered2009-0285COSMOS 2251 DEBNORAD 34762 · 1993-036AAG · FragmentRussia—3 Dec 2009—Re-entered2009-0287COSMOS 2251 DEBNORAD 34405 · 1993-036QW · FragmentRussia—7 Dec 2009—Re-entered2009-0290COSMOS 2251 DEBNORAD 34285 · 1993-036MF · FragmentRussia—11 Dec 2009—Re-entered2009-0306COSMOS 2251 DEBNORAD 34287 · 1993-036MH · FragmentRussia—30 Dec 2009—Re-entered
1,101 entries · page 2 of 56
Other break-ups