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
2014-0514COSMOS 2251 DEBNORAD 37274 · 1993-036BHN · FragmentRussia—18 Oct 2014—Re-entered2014-0520COSMOS 2251 DEBNORAD 34060 · 1993-036JX · FragmentRussia—20 Oct 2014—Re-entered2014-0521COSMOS 2251 DEBNORAD 36536 · 1993-036BCW · FragmentRussia—21 Oct 2014—Re-entered2014-0533COSMOS 2251 DEBNORAD 36639 · 1993-036BFD · FragmentRussia—26 Oct 2014—Re-entered2014-0539COSMOS 2251 DEBNORAD 36452 · 1993-036BBB · FragmentRussia—27 Oct 2014—Re-entered2014-0540COSMOS 2251 DEBNORAD 37519 · 1993-036BMY · FragmentRussia—27 Oct 2014—Re-entered2014-0544COSMOS 2251 DEBNORAD 37279 · 1993-036BHT · FragmentRussia—28 Oct 2014—Re-entered2014-0560COSMOS 2251 DEBNORAD 36078 · 1993-036AYR · FragmentRussia—2 Nov 2014—Re-entered2014-0561COSMOS 2251 DEBNORAD 36549 · 1993-036BDK · FragmentRussia—2 Nov 2014—Re-entered2014-0566COSMOS 2251 DEBNORAD 34664 · 1993-036XQ · FragmentRussia—4 Nov 2014—Re-entered2014-0574COSMOS 2251 DEBNORAD 34575 · 1993-036VM · FragmentRussia—8 Nov 2014—Re-entered2014-0578COSMOS 2251 DEBNORAD 34565 · 1993-036VB · FragmentRussia—9 Nov 2014—Re-entered2014-0595COSMOS 2251 DEBNORAD 34345 · 1993-036PT · FragmentRussia—15 Nov 2014—Re-entered2014-0597COSMOS 2251 DEBNORAD 37276 · 1993-036BHQ · FragmentRussia—16 Nov 2014—Re-entered2014-0598COSMOS 2251 DEBNORAD 34318 · 1993-036NQ · FragmentRussia—17 Nov 2014—Re-entered2014-0601COSMOS 2251 DEBNORAD 34557 · 1993-036UT · FragmentRussia—19 Nov 2014—Re-entered2014-0619COSMOS 2251 DEBNORAD 36552 · 1993-036BDN · FragmentRussia—27 Nov 2014—Re-entered2014-0625COSMOS 2251 DEBNORAD 34821 · 1993-036ABL · FragmentRussia—2 Dec 2014—Re-entered2014-0629COSMOS 2251 DEBNORAD 36524 · 1993-036BCJ · FragmentRussia—5 Dec 2014—Re-entered2014-0636COSMOS 2251 DEBNORAD 35778 · 1993-036ARY · FragmentRussia—7 Dec 2014—Re-entered
1,101 entries · page 23 of 56
Other break-ups