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
2023-1720COSMOS 2251 DEBNORAD 35986 · 1993-036AWC · FragmentRussia—13 Oct 2023—Re-entered2023-1722COSMOS 2251 DEBNORAD 37962 · 1993-036BPM · FragmentRussia—13 Oct 2023—Re-entered2023-1724COSMOS 2251 DEBNORAD 39584 · 1993-036BUP · FragmentRussia—13 Oct 2023—Re-entered2023-1729COSMOS 2251 DEBNORAD 36383 · 1993-036AZL · FragmentRussia—15 Oct 2023—Re-entered2023-1757COSMOS 2251 DEBNORAD 37097 · 1993-036BFT · FragmentRussia—21 Oct 2023—Re-entered2023-1758COSMOS 2251 DEBNORAD 37103 · 1993-036BFZ · FragmentRussia—21 Oct 2023—Re-entered2023-1779COSMOS 2251 DEBNORAD 35795 · 1993-036ASR · FragmentRussia—27 Oct 2023—Re-entered2023-1780COSMOS 2251 DEBNORAD 36057 · 1993-036AXU · FragmentRussia—27 Oct 2023—Re-entered2023-1781COSMOS 2251 DEBNORAD 37125 · 1993-036BGX · FragmentRussia—27 Oct 2023—Re-entered2023-1783COSMOS 2251 DEBNORAD 38210 · 1993-036BTA · FragmentRussia—27 Oct 2023—Re-entered2023-1795COSMOS 2251 DEBNORAD 34787 · 1993-036AAQ · FragmentRussia—30 Oct 2023—Re-entered2023-1823COSMOS 2251 DEBNORAD 38000 · 1993-036BRB · FragmentRussia—2 Nov 2023—Re-entered2023-1839COSMOS 2251 DEBNORAD 39548 · 1993-036BUE · FragmentRussia—6 Nov 2023—Re-entered2023-1842COSMOS 2251 DEBNORAD 47064 · 1993-036BXU · FragmentRussia—6 Nov 2023—Re-entered2023-1852COSMOS 2251 DEBNORAD 38484 · 1993-036BTU · FragmentRussia—8 Nov 2023—Re-entered2023-1857COSMOS 2251 DEBNORAD 34978 · 1993-036AFH · FragmentRussia—9 Nov 2023—Re-entered2023-1875COSMOS 2251 DEBNORAD 33918 · 1993-036DX · FragmentRussia—13 Nov 2023—Re-entered2023-1890COSMOS 2251 DEBNORAD 33763 · 1993-036L · FragmentRussia—18 Nov 2023—Re-entered2023-1905COSMOS 2251 DEBNORAD 33804 · 1993-036AV · FragmentRussia—25 Nov 2023—Re-entered2023-1909COSMOS 2251 DEBNORAD 37986 · 1993-036BQM · FragmentRussia—25 Nov 2023—Re-entered
1,101 entries · page 40 of 56
Other break-ups