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
2012-0200COSMOS 2251 DEBNORAD 34039 · 1993-036JA · FragmentRussia—7 Jun 2012—Re-entered2012-0201COSMOS 2251 DEBNORAD 34284 · 1993-036ME · FragmentRussia—7 Jun 2012—Re-entered2012-0206COSMOS 2251 DEBNORAD 35842 · 1993-036ATQ · FragmentRussia—11 Jun 2012—Re-entered2012-0208COSMOS 2251 DEBNORAD 34441 · 1993-036SJ · FragmentRussia—14 Jun 2012—Re-entered2012-0215COSMOS 2251 DEBNORAD 34865 · 1993-036ACK · FragmentRussia—18 Jun 2012—Re-entered2012-0254COSMOS 2251 DEBNORAD 37099 · 1993-036BFV · FragmentRussia—18 Jul 2012—Re-entered2012-0264COSMOS 2251 DEBNORAD 34320 · 1993-036NS · FragmentRussia—26 Jul 2012—Re-entered2012-0265COSMOS 2251 DEBNORAD 34851 · 1993-036ABV · FragmentRussia—26 Jul 2012—Re-entered2012-0266COSMOS 2251 DEBNORAD 34952 · 1993-036AEF · FragmentRussia—26 Jul 2012—Re-entered2012-0267COSMOS 2251 DEBNORAD 36635 · 1993-036BEZ · FragmentRussia—26 Jul 2012—Re-entered2012-0268COSMOS 2251 DEBNORAD 37311 · 1993-036BKB · FragmentRussia—29 Jul 2012—Re-entered2012-0277COSMOS 2251 DEBNORAD 37522 · 1993-036BNB · FragmentRussia—2 Aug 2012—Re-entered2012-0283COSMOS 2251 DEBNORAD 34947 · 1993-036AEA · FragmentRussia—9 Aug 2012—Re-entered2012-0287COSMOS 2251 DEBNORAD 34786 · 1993-036AAP · FragmentRussia—11 Aug 2012—Re-entered2012-0293COSMOS 2251 DEBNORAD 35708 · 1993-036AQD · FragmentRussia—15 Aug 2012—Re-entered2012-0303COSMOS 2251 DEBNORAD 35436 · 1993-036AKE · FragmentRussia—24 Aug 2012—Re-entered2012-0304COSMOS 2251 DEBNORAD 36374 · 1993-036AZB · FragmentRussia—24 Aug 2012—Re-entered2012-0310COSMOS 2251 DEBNORAD 37485 · 1993-036BLN · FragmentRussia—28 Aug 2012—Re-entered2012-0313COSMOS 2251 DEBNORAD 35452 · 1993-036AKW · FragmentRussia—2 Sep 2012—Re-entered2012-0317COSMOS 2251 DEBNORAD 34975 · 1993-036AFE · FragmentRussia—5 Sep 2012—Re-entered
1,101 entries · page 12 of 56
Other break-ups