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
2023-0444COSMOS 2251 DEBNORAD 38478 · 1993-036BTN · FragmentRussia—7 Mar 2023—Re-entered2023-0454COSMOS 2251 DEBNORAD 47118 · 1993-036BYL · FragmentRussia—7 Mar 2023—Re-entered2023-0528COSMOS 2251 DEBNORAD 35700 · 1993-036APV · FragmentRussia—15 Mar 2023—Re-entered2023-0529COSMOS 2251 DEBNORAD 35983 · 1993-036AVZ · FragmentRussia—15 Mar 2023—Re-entered2023-0531COSMOS 2251 DEBNORAD 40226 · 1993-036BVF · FragmentRussia—15 Mar 2023—Re-entered2023-0620COSMOS 2251 DEBNORAD 34725 · 1993-036YT · FragmentRussia—23 Mar 2023—Re-entered2023-0621COSMOS 2251 DEBNORAD 34759 · 1993-036AAD · FragmentRussia—23 Mar 2023—Re-entered2023-0622COSMOS 2251 DEBNORAD 35042 · 1993-036AHF · FragmentRussia—23 Mar 2023—Re-entered2023-0692COSMOS 2251 DEBNORAD 36004 · 1993-036AWW · FragmentRussia—1 Apr 2023—Re-entered2023-0693COSMOS 2251 DEBNORAD 36541 · 1993-036BDB · FragmentRussia—1 Apr 2023—Re-entered2023-0695COSMOS 2251 DEBNORAD 40231 · 1993-036BVL · FragmentRussia—1 Apr 2023—Re-entered2023-0733COSMOS 2251 DEBNORAD 34012 · 1993-036GX · FragmentRussia—5 Apr 2023—Re-entered2023-0736COSMOS 2251 DEBNORAD 38066 · 1993-036BRY · FragmentRussia—5 Apr 2023—Re-entered2023-0750COSMOS 2251 DEBNORAD 47056 · 1993-036BXL · FragmentRussia—6 Apr 2023—Re-entered2023-0784COSMOS 2251 DEBNORAD 34398 · 1993-036QP · FragmentRussia—10 Apr 2023—Re-entered2023-0825COSMOS 2251 DEBNORAD 36454 · 1993-036BBD · FragmentRussia—14 Apr 2023—Re-entered2023-0876COSMOS 2251 DEBNORAD 35841 · 1993-036ATP · FragmentRussia—20 Apr 2023—Re-entered2023-0877COSMOS 2251 DEBNORAD 36447 · 1993-036BAW · FragmentRussia—20 Apr 2023—Re-entered2023-0878COSMOS 2251 DEBNORAD 37544 · 1993-036BNZ · FragmentRussia—20 Apr 2023—Re-entered2023-0879COSMOS 2251 DEBNORAD 38192 · 1993-036BSG · FragmentRussia—20 Apr 2023—Re-entered
1,101 entries · page 37 of 56
Other break-ups