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
2012-0318COSMOS 2251 DEBNORAD 37536 · 1993-036BNR · FragmentRussia—5 Sep 2012—Re-entered2012-0319COSMOS 2251 DEBNORAD 34471 · 1993-036TQ · FragmentRussia—6 Sep 2012—Re-entered2012-0322COSMOS 2251 DEBNORAD 37106 · 1993-036BGC · FragmentRussia—9 Sep 2012—Re-entered2012-0325COSMOS 2251 DEBNORAD 35659 · 1993-036APA · FragmentRussia—12 Sep 2012—Re-entered2012-0331COSMOS 2251 DEBNORAD 34957 · 1993-036AEL · FragmentRussia—20 Sep 2012—Re-entered2012-0339COSMOS 2251 DEBNORAD 35963 · 1993-036AVD · FragmentRussia—25 Sep 2012—Re-entered2012-0343COSMOS 2251 DEBNORAD 35838 · 1993-036ATL · FragmentRussia—28 Sep 2012—Re-entered2012-0349COSMOS 2251 DEBNORAD 35977 · 1993-036AVT · FragmentRussia—3 Oct 2012—Re-entered2012-0350COSMOS 2251 DEBNORAD 37540 · 1993-036BNV · FragmentRussia—3 Oct 2012—Re-entered2012-0356COSMOS 2251 DEBNORAD 37541 · 1993-036BNW · FragmentRussia—10 Oct 2012—Re-entered2012-0359COSMOS 2251 DEBNORAD 35289 · 1993-036AJT · FragmentRussia—11 Oct 2012—Re-entered2012-0360COSMOS 2251 DEBNORAD 35712 · 1993-036AQH · FragmentRussia—11 Oct 2012—Re-entered2012-0361COSMOS 2251 DEBNORAD 35728 · 1993-036AQZ · FragmentRussia—11 Oct 2012—Re-entered2012-0365COSMOS 2251 DEBNORAD 34049 · 1993-036JL · FragmentRussia—15 Oct 2012—Re-entered2012-0366COSMOS 2251 DEBNORAD 36377 · 1993-036AZE · FragmentRussia—15 Oct 2012—Re-entered2012-0384COSMOS 2251 DEBNORAD 34279 · 1993-036LZ · FragmentRussia—27 Oct 2012—Re-entered2012-0385COSMOS 2251 DEBNORAD 36610 · 1993-036BDY · FragmentRussia—28 Oct 2012—Re-entered2012-0388COSMOS 2251 DEBNORAD 34278 · 1993-036LY · FragmentRussia—29 Oct 2012—Re-entered2012-0389COSMOS 2251 DEBNORAD 35013 · 1993-036AGA · FragmentRussia—29 Oct 2012—Re-entered2012-0400COSMOS 2251 DEBNORAD 35762 · 1993-036ARG · FragmentRussia—5 Nov 2012—Re-entered
1,101 entries · page 13 of 56
Other break-ups