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
2012-0107COSMOS 2251 DEBNORAD 35972 · 1993-036AVN · FragmentRussia—21 Mar 2012—Re-entered2012-0111COSMOS 2251 DEBNORAD 34915 · 1993-036ADL · FragmentRussia—23 Mar 2012—Re-entered2012-0115COSMOS 2251 DEBNORAD 36611 · 1993-036BDZ · FragmentRussia—26 Mar 2012—Re-entered2012-0118COSMOS 2251 DEBNORAD 34329 · 1993-036PB · FragmentRussia—30 Mar 2012—Re-entered2012-0121COSMOS 2251 DEBNORAD 34043 · 1993-036JE · FragmentRussia—31 Mar 2012—Re-entered2012-0128COSMOS 2251 DEBNORAD 36065 · 1993-036AYC · FragmentRussia—7 Apr 2012—Re-entered2012-0134COSMOS 2251 DEBNORAD 36534 · 1993-036BCU · FragmentRussia—11 Apr 2012—Re-entered2012-0135COSMOS 2251 DEBNORAD 36546 · 1993-036BDG · FragmentRussia—11 Apr 2012—Re-entered2012-0136COSMOS 2251 DEBNORAD 37121 · 1993-036BGT · FragmentRussia—11 Apr 2012—Re-entered2012-0137COSMOS 2251 DEBNORAD 37288 · 1993-036BJC · FragmentRussia—12 Apr 2012—Re-entered2012-0139COSMOS 2251 DEBNORAD 34399 · 1993-036QQ · FragmentRussia—16 Apr 2012—Re-entered2012-0152COSMOS 2251 DEBNORAD 34437 · 1993-036SE · FragmentRussia—23 Apr 2012—Re-entered2012-0153COSMOS 2251 DEBNORAD 34617 · 1993-036WN · FragmentRussia—24 Apr 2012—Re-entered2012-0164COSMOS 2251 DEBNORAD 34959 · 1993-036AEN · FragmentRussia—2 May 2012—Re-entered2012-0166COSMOS 2251 DEBNORAD 34782 · 1993-036AAK · FragmentRussia—3 May 2012—Re-entered2012-0168COSMOS 2251 DEBNORAD 37989 · 1993-036BQQ · FragmentRussia—8 May 2012—Re-entered2012-0173COSMOS 2251 DEBNORAD 34132 · 1993-036LD · FragmentRussia—13 May 2012—Re-entered2012-0181COSMOS 2251 DEBNORAD 36431 · 1993-036BAE · FragmentRussia—20 May 2012—Re-entered2012-0187COSMOS 2251 DEBNORAD 34783 · 1993-036AAL · FragmentRussia—29 May 2012—Re-entered2012-0194COSMOS 2251 DEBNORAD 34440 · 1993-036SH · FragmentRussia—1 Jun 2012—Re-entered
1,101 entries · page 11 of 56
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