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
2013-0311COSMOS 2251 DEBNORAD 34403 · 1993-036QU · FragmentRussia—20 Sep 2013—Re-entered2013-0321COSMOS 2251 DEBNORAD 35450 · 1993-036AKU · FragmentRussia—27 Sep 2013—Re-entered2013-0324COSMOS 2251 DEBNORAD 35046 · 1993-036AHK · FragmentRussia—30 Sep 2013—Re-entered2013-0330COSMOS 2251 DEBNORAD 37964 · 1993-036BPP · FragmentRussia—7 Oct 2013—Re-entered2013-0332COSMOS 2251 DEBNORAD 37514 · 1993-036BMT · FragmentRussia—8 Oct 2013—Re-entered2013-0345COSMOS 2251 DEBNORAD 34923 · 1993-036ADU · FragmentRussia—15 Oct 2013—Re-entered2013-0365COSMOS 2251 DEBNORAD 34461 · 1993-036TE · FragmentRussia—30 Oct 2013—Re-entered2013-0367COSMOS 2251 DEBNORAD 36618 · 1993-036BEG · FragmentRussia—31 Oct 2013—Re-entered2013-0377COSMOS 2251 DEBNORAD 35041 · 1993-036AHE · FragmentRussia—7 Nov 2013—Re-entered2013-0383COSMOS 2251 DEBNORAD 38005 · 1993-036BRG · FragmentRussia—11 Nov 2013—Re-entered2013-0393COSMOS 2251 DEBNORAD 33923 · 1993-036EC · FragmentRussia—17 Nov 2013—Re-entered2013-0394COSMOS 2251 DEBNORAD 37332 · 1993-036BKY · FragmentRussia—19 Nov 2013—Re-entered2013-0402COSMOS 2251 DEBNORAD 35994 · 1993-036AWL · FragmentRussia—25 Nov 2013—Re-entered2013-0405COSMOS 2251 DEBNORAD 35719 · 1993-036AQQ · FragmentRussia—26 Nov 2013—Re-entered2013-0409COSMOS 2251 DEBNORAD 35458 · 1993-036ALC · FragmentRussia—27 Nov 2013—Re-entered2013-0412COSMOS 2251 DEBNORAD 35437 · 1993-036AKF · FragmentRussia—29 Nov 2013—Re-entered2013-0415COSMOS 2251 DEBNORAD 34632 · 1993-036XD · FragmentRussia—1 Dec 2013—Re-entered2013-0417COSMOS 2251 DEBNORAD 35024 · 1993-036AGM · FragmentRussia—3 Dec 2013—Re-entered2013-0420COSMOS 2251 DEBNORAD 37290 · 1993-036BJE · FragmentRussia—4 Dec 2013—Re-entered2013-0422COSMOS 2251 DEBNORAD 33827 · 1993-036BU · FragmentRussia—5 Dec 2013—Re-entered
1,101 entries · page 17 of 56
Other break-ups