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
2010-0004COSMOS 2251 DEBNORAD 34627 · 1993-036WY · FragmentRussia—10 Jan 2010—Re-entered2010-0006COSMOS 2251 DEBNORAD 34052 · 1993-036JP · FragmentRussia—12 Jan 2010—Re-entered2010-0011COSMOS 2251 DEBNORAD 34290 · 1993-036ML · FragmentRussia—15 Jan 2010—Re-entered2010-0021COSMOS 2251 DEBNORAD 34283 · 1993-036MD · FragmentRussia—1 Feb 2010—Re-entered2010-0024COSMOS 2251 DEBNORAD 34289 · 1993-036MK · FragmentRussia—3 Feb 2010—Re-entered2010-0050COSMOS 2251 DEBNORAD 33808 · 1993-036AZ · FragmentRussia—3 Mar 2010—Re-entered2010-0053COSMOS 2251 DEBNORAD 34334 · 1993-036PG · FragmentRussia—5 Mar 2010—Re-entered2010-0062COSMOS 2251 DEBNORAD 34404 · 1993-036QV · FragmentRussia—11 Mar 2010—Re-entered2010-0070COSMOS 2251 DEBNORAD 34612 · 1993-036WH · FragmentRussia—18 Mar 2010—Re-entered2010-0081COSMOS 2251 DEBNORAD 35438 · 1993-036AKG · FragmentRussia—24 Mar 2010—Re-entered2010-0107COSMOS 2251 DEBNORAD 34034 · 1993-036HV · FragmentRussia—25 Apr 2010—Re-entered2010-0108COSMOS 2251 DEBNORAD 36428 · 1993-036BAB · FragmentRussia—25 Apr 2010—Re-entered2010-0118COSMOS 2251 DEBNORAD 33978 · 1993-036FM · FragmentRussia—12 May 2010—Re-entered2010-0125COSMOS 2251 DEBNORAD 33800 · 1993-036AR · FragmentRussia—23 May 2010—Re-entered2010-0129COSMOS 2251 DEBNORAD 34347 · 1993-036PV · FragmentRussia—31 May 2010—Re-entered2010-0134COSMOS 2251 DEBNORAD 36481 · 1993-036BCG · FragmentRussia—9 Jun 2010—Re-entered2010-0136COSMOS 2251 DEBNORAD 36560 · 1993-036BDW · FragmentRussia—12 Jun 2010—Re-entered2010-0145COSMOS 2251 DEBNORAD 34338 · 1993-036PL · FragmentRussia—25 Jun 2010—Re-entered2010-0148COSMOS 2251 DEBNORAD 34402 · 1993-036QT · FragmentRussia—28 Jun 2010—Re-entered2010-0188COSMOS 2251 DEBNORAD 34591 · 1993-036WD · FragmentRussia—29 Jul 2010—Re-entered
1,101 entries · page 3 of 56
Other break-ups