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
2011-0349COSMOS 2251 DEBNORAD 37534 · 1993-036BNP · FragmentRussia—27 Oct 2011—Re-entered2011-0354COSMOS 2251 DEBNORAD 34328 · 1993-036PA · FragmentRussia—28 Oct 2011—Re-entered2011-0356COSMOS 2251 DEBNORAD 34480 · 1993-036TZ · FragmentRussia—29 Oct 2011—Re-entered2011-0357COSMOS 2251 DEBNORAD 34636 · 1993-036XH · FragmentRussia—29 Oct 2011—Re-entered2011-0362COSMOS 2251 DEBNORAD 36040 · 1993-036AXB · FragmentRussia—1 Nov 2011—Re-entered2011-0363COSMOS 2251 DEBNORAD 36637 · 1993-036BFB · FragmentRussia—1 Nov 2011—Re-entered2011-0368COSMOS 2251 DEBNORAD 34068 · 1993-036KF · FragmentRussia—3 Nov 2011—Re-entered2011-0380COSMOS 2251 DEBNORAD 36628 · 1993-036BES · FragmentRussia—7 Nov 2011—Re-entered2011-0396COSMOS 2251 DEBNORAD 33807 · 1993-036AY · FragmentRussia—14 Nov 2011—Re-entered2011-0400COSMOS 2251 DEBNORAD 33801 · 1993-036AS · FragmentRussia—16 Nov 2011—Re-entered2011-0402COSMOS 2251 DEBNORAD 33925 · 1993-036EE · FragmentRussia—16 Nov 2011—Re-entered2011-0403COSMOS 2251 DEBNORAD 35714 · 1993-036AQK · FragmentRussia—16 Nov 2011—Re-entered2011-0405COSMOS 2251 DEBNORAD 36421 · 1993-036AZU · FragmentRussia—17 Nov 2011—Re-entered2011-0425COSMOS 2251 DEBNORAD 34418 · 1993-036RK · FragmentRussia—27 Nov 2011—Re-entered2011-0426COSMOS 2251 DEBNORAD 34974 · 1993-036AFD · FragmentRussia—27 Nov 2011—Re-entered2011-0433COSMOS 2251 DEBNORAD 35999 · 1993-036AWR · FragmentRussia—29 Nov 2011—Re-entered2011-0438COSMOS 2251 DEBNORAD 36425 · 1993-036AZY · FragmentRussia—1 Dec 2011—Re-entered2011-0441COSMOS 2251 DEBNORAD 36436 · 1993-036BAK · FragmentRussia—2 Dec 2011—Re-entered2011-0446COSMOS 2251 DEBNORAD 34848 · 1993-036ABS · FragmentRussia—3 Dec 2011—Re-entered2011-0449COSMOS 2251 DEBNORAD 37517 · 1993-036BMW · FragmentRussia—3 Dec 2011—Re-entered
1,101 entries · page 8 of 56
Other break-ups