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
2022-2455COSMOS 2251 DEBNORAD 37974 · 1993-036BPZ · FragmentRussia—28 Dec 2022—Re-entered2023-0003COSMOS 2251 DEBNORAD 34822 · 1993-036ABM · FragmentRussia—3 Jan 2023—Re-entered2023-0080COSMOS 2251 DEBNORAD 34873 · 1993-036ACL · FragmentRussia—14 Jan 2023—Re-entered2023-0110COSMOS 2251 DEBNORAD 34293 · 1993-036MP · FragmentRussia—19 Jan 2023—Re-entered2023-0122COSMOS 2251 DEBNORAD 34426 · 1993-036RT · FragmentRussia—21 Jan 2023—Re-entered2023-0131COSMOS 2251 DEBNORAD 38204 · 1993-036BSU · FragmentRussia—24 Jan 2023—Re-entered2023-0146COSMOS 2251 DEBNORAD 35460 · 1993-036ALE · FragmentRussia—27 Jan 2023—Re-entered2023-0168COSMOS 2251 DEBNORAD 35984 · 1993-036AWA · FragmentRussia—31 Jan 2023—Re-entered2023-0206COSMOS 2251 DEBNORAD 37502 · 1993-036BMF · FragmentRussia—3 Feb 2023—Re-entered2023-0233COSMOS 2251 DEBNORAD 37271 · 1993-036BHK · FragmentRussia—7 Feb 2023—Re-entered2023-0260COSMOS 2251 DEBNORAD 34447 · 1993-036SQ · FragmentRussia—8 Feb 2023—Re-entered2023-0268COSMOS 2251 DEBNORAD 33996 · 1993-036GF · FragmentRussia—9 Feb 2023—Re-entered2023-0272COSMOS 2251 DEBNORAD 35960 · 1993-036AVA · FragmentRussia—9 Feb 2023—Re-entered2023-0297COSMOS 2251 DEBNORAD 35613 · 1993-036ANG · FragmentRussia—12 Feb 2023—Re-entered2023-0343COSMOS 2251 DEBNORAD 33796 · 1993-036AM · FragmentRussia—18 Feb 2023—Re-entered2023-0372COSMOS 2251 DEBNORAD 34993 · 1993-036AFR · FragmentRussia—24 Feb 2023—Re-entered2023-0374COSMOS 2251 DEBNORAD 37543 · 1993-036BNY · FragmentRussia—24 Feb 2023—Re-entered2023-0403COSMOS 2251 DEBNORAD 37092 · 1993-036BFN · FragmentRussia—28 Feb 2023—Re-entered2023-0404COSMOS 2251 DEBNORAD 40805 · 1993-036BWJ · FragmentRussia—28 Feb 2023—Re-entered2023-0442COSMOS 2251 DEBNORAD 37322 · 1993-036BKN · FragmentRussia—7 Mar 2023—Re-entered
1,101 entries · page 36 of 56
Other break-ups