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
2014-0160COSMOS 2251 DEBNORAD 36463 · 1993-036BBN · FragmentRussia—7 Apr 2014—Re-entered2014-0171COSMOS 2251 DEBNORAD 34994 · 1993-036AFS · FragmentRussia—12 Apr 2014—Re-entered2014-0175COSMOS 2251 DEBNORAD 35894 · 1993-036AUH · FragmentRussia—13 Apr 2014—Re-entered2014-0187COSMOS 2251 DEBNORAD 35035 · 1993-036AGY · FragmentRussia—18 Apr 2014—Re-entered2014-0188COSMOS 2251 DEBNORAD 35044 · 1993-036AHH · FragmentRussia—18 Apr 2014—Re-entered2014-0193COSMOS 2251 DEBNORAD 37130 · 1993-036BHC · FragmentRussia—19 Apr 2014—Re-entered2014-0194COSMOS 2251 DEBNORAD 34548 · 1993-036UJ · FragmentRussia—20 Apr 2014—Re-entered2014-0198COSMOS 2251 DEBNORAD 35704 · 1993-036APZ · FragmentRussia—21 Apr 2014—Re-entered2014-0199COSMOS 2251 DEBNORAD 37129 · 1993-036BHB · FragmentRussia—22 Apr 2014—Re-entered2014-0200COSMOS 2251 DEBNORAD 33904 · 1993-036DH · FragmentRussia—23 Apr 2014—Re-entered2014-0204COSMOS 2251 DEBNORAD 37545 · 1993-036BPA · FragmentRussia—25 Apr 2014—Re-entered2014-0213COSMOS 2251 DEBNORAD 34731 · 1993-036YZ · FragmentRussia—30 Apr 2014—Re-entered2014-0217COSMOS 2251 DEBNORAD 37489 · 1993-036BLS · FragmentRussia—1 May 2014—Re-entered2014-0223COSMOS 2251 DEBNORAD 35649 · 1993-036ANQ · FragmentRussia—4 May 2014—Re-entered2014-0226COSMOS 2251 DEBNORAD 37100 · 1993-036BFW · FragmentRussia—7 May 2014—Re-entered2014-0233COSMOS 2251 DEBNORAD 36620 · 1993-036BEJ · FragmentRussia—9 May 2014—Re-entered2014-0244COSMOS 2251 DEBNORAD 34467 · 1993-036TL · FragmentRussia—15 May 2014—Re-entered2014-0252COSMOS 2251 DEBNORAD 34961 · 1993-036AEQ · FragmentRussia—18 May 2014—Re-entered2014-0253COSMOS 2251 DEBNORAD 37333 · 1993-036BKZ · FragmentRussia—18 May 2014—Re-entered2014-0258COSMOS 2251 DEBNORAD 35648 · 1993-036ANP · FragmentRussia—19 May 2014—Re-entered
1,101 entries · page 20 of 56
Other break-ups