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
2010-0258COSMOS 2251 DEBNORAD 35826 · 1993-036ASY · FragmentRussia—8 Sep 2010—Re-entered2010-0273COSMOS 2251 DEBNORAD 34864 · 1993-036ACJ · FragmentRussia—19 Sep 2010—Re-entered2010-0289COSMOS 2251 DEBNORAD 34417 · 1993-036RJ · FragmentRussia—1 Oct 2010—Re-entered2010-0295COSMOS 2251 DEBNORAD 35601 · 1993-036AMU · FragmentRussia—7 Oct 2010—Re-entered2010-0322COSMOS 2251 DEBNORAD 36429 · 1993-036BAC · FragmentRussia—27 Oct 2010—Re-entered2010-0327COSMOS 2251 DEBNORAD 33977 · 1993-036FL · FragmentRussia—1 Nov 2010—Re-entered2010-0344COSMOS 2251 DEBNORAD 34113 · 1993-036KJ · FragmentRussia—16 Nov 2010—Re-entered2010-0345COSMOS 2251 DEBNORAD 33769 · 1993-036S · FragmentRussia—17 Nov 2010—Re-entered2010-0349COSMOS 2251 DEBNORAD 36633 · 1993-036BEX · FragmentRussia—20 Nov 2010—Re-entered2010-0355COSMOS 2251 DEBNORAD 35783 · 1993-036ASD · FragmentRussia—27 Nov 2010—Re-entered2010-0359COSMOS 2251 DEBNORAD 34025 · 1993-036HL · FragmentRussia—3 Dec 2010—Re-entered2010-0360COSMOS 2251 DEBNORAD 36043 · 1993-036AXE · FragmentRussia—3 Dec 2010—Re-entered2010-0363COSMOS 2251 DEBNORAD 35892 · 1993-036AUF · FragmentRussia—8 Dec 2010—Re-entered2010-0377COSMOS 2251 DEBNORAD 34677 · 1993-036XX · FragmentRussia—24 Dec 2010—Re-entered2010-0379COSMOS 2251 DEBNORAD 34568 · 1993-036VE · FragmentRussia—27 Dec 2010—Re-entered2011-0014COSMOS 2251 DEBNORAD 34286 · 1993-036MG · FragmentRussia—13 Jan 2011—Re-entered2011-0015COSMOS 2251 DEBNORAD 35879 · 1993-036ATS · FragmentRussia—13 Jan 2011—Re-entered2011-0023COSMOS 2251 DEBNORAD 34335 · 1993-036PH · FragmentRussia—31 Jan 2011—Re-entered2011-0031COSMOS 2251 DEBNORAD 34326 · 1993-036NY · FragmentRussia—8 Feb 2011—Re-entered2011-0032COSMOS 2251 DEBNORAD 35969 · 1993-036AVK · FragmentRussia—8 Feb 2011—Re-entered
1,101 entries · page 4 of 56
Other break-ups