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. 1,104 of its fragments are now entered in the Orbital Register.
1,104
Fragments on record
10 Feb 2009
Break-up
13 Jan 2016
Half down by
28 Sep 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 1,104 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
2021-0469COSMOS 2251 DEBNORAD 40804 · 1993-036BWH · FragmentRussia—15 Dec 2021—Re-entered2021-0487COSMOS 2251 DEBNORAD 37984 · 1993-036BQK · FragmentRussia—20 Dec 2021—Re-entered2021-0527COSMOS 2251 DEBNORAD 35036 · 1993-036AGZ · FragmentRussia—28 Dec 2021—Re-entered2021-0535COSMOS 2251 DEBNORAD 36548 · 1993-036BDJ · FragmentRussia—30 Dec 2021—Re-entered2022-0155COSMOS 2251 DEBNORAD 34624 · 1993-036WV · FragmentRussia—26 Jan 2022—Re-entered2022-0204COSMOS 2251 DEBNORAD 35610 · 1993-036AND · FragmentRussia—3 Feb 2022—Re-entered2022-0242COSMOS 2251 DEBNORAD 37281 · 1993-036BHV · FragmentRussia—7 Feb 2022—Re-entered2022-0289COSMOS 2251 DEBNORAD 33889 · 1993-036CS · FragmentRussia—13 Feb 2022—Re-entered2022-0330COSMOS 2251 DEBNORAD 34970 · 1993-036AEZ · FragmentRussia—21 Feb 2022—Re-entered2022-0378COSMOS 2251 DEBNORAD 37111 · 1993-036BGH · FragmentRussia—27 Feb 2022—Re-entered2022-0449COSMOS 2251 DEBNORAD 34723 · 1993-036YR · FragmentRussia—9 Mar 2022—Re-entered2022-0486COSMOS 2251 DEBNORAD 35589 · 1993-036AMG · FragmentRussia—11 Mar 2022—Re-entered2022-0517COSMOS 2251 DEBNORAD 35283 · 1993-036AJM · FragmentRussia—14 Mar 2022—Re-entered2022-0603COSMOS 2251 DEBNORAD 35713 · 1993-036AQJ · FragmentRussia—23 Mar 2022—Re-entered2022-0816COSMOS 2251 DEBNORAD 35991 · 1993-036AWH · FragmentRussia—11 Apr 2022—Re-entered2022-1111COSMOS 2251 DEBNORAD 34042 · 1993-036JD · FragmentRussia—9 May 2022—Re-entered2022-1147COSMOS 2251 DEBNORAD 38198 · 1993-036BSN · FragmentRussia—14 May 2022—Re-entered2022-1157COSMOS 2251 DEBNORAD 36617 · 1993-036BEF · FragmentRussia—15 May 2022—Re-entered2022-1187COSMOS 2251 DEBNORAD 35723 · 1993-036AQU · FragmentRussia—18 May 2022—Re-entered2022-1334COSMOS 2251 DEBNORAD 34616 · 1993-036WM · FragmentRussia—9 Jun 2022—Re-entered
1,104 entries · page 33 of 56
Other break-ups