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
2025-0873COSMOS 2251 DEBNORAD 38004 · 1993-036BRF · FragmentRussia—25 Apr 2025—Re-entered2025-0886COSMOS 2251 DEBNORAD 36448 · 1993-036BAX · FragmentRussia—27 Apr 2025—Re-entered2025-0894COSMOS 2251 DEBNORAD 36626 · 1993-036BEQ · FragmentRussia—28 Apr 2025—Re-entered2025-0923COSMOS 2251 DEBNORAD 34300 · 1993-036MW · FragmentRussia—6 May 2025—Re-entered2025-0924COSMOS 2251 DEBNORAD 35893 · 1993-036AUG · FragmentRussia—6 May 2025—Re-entered2025-0926COSMOS 2251 DEBNORAD 40224 · 1993-036BVD · FragmentRussia—6 May 2025—Re-entered2025-0989COSMOS 2251 DEBNORAD 34401 · 1993-036QS · FragmentRussia—9 May 2025—Re-entered2025-0990COSMOS 2251 DEBNORAD 37538 · 1993-036BNT · FragmentRussia—9 May 2025—Re-entered2025-1035COSMOS 2251 DEBNORAD 47070 · 1993-036BYA · FragmentRussia—15 May 2025—Re-entered2025-1042COSMOS 2251 DEBNORAD 33834 · 1993-036CB · FragmentRussia—17 May 2025—Re-entered2025-1055COSMOS 2251 DEBNORAD 34457 · 1993-036TA · FragmentRussia—20 May 2025—Re-entered2025-1115COSMOS 2251 DEBNORAD 47054 · 1993-036BXJ · FragmentRussia—2 Jun 2025—Re-entered2025-1118COSMOS 2251 DEBNORAD 34275 · 1993-036LV · FragmentRussia—3 Jun 2025—Re-entered2025-1167COSMOS 2251 DEBNORAD 34847 · 1993-036ABR · FragmentRussia—14 Jun 2025—Re-entered2025-1184COSMOS 2251 DEBNORAD 37327 · 1993-036BKT · FragmentRussia—18 Jun 2025—Re-entered2025-1194COSMOS 2251 DEBNORAD 34054 · 1993-036JR · FragmentRussia—24 Jun 2025—Re-entered2025-1195COSMOS 2251 DEBNORAD 34473 · 1993-036TS · FragmentRussia—24 Jun 2025—Re-entered2025-1197COSMOS 2251 DEBNORAD 34954 · 1993-036AEH · FragmentRussia—24 Jun 2025—Re-entered2025-1227COSMOS 2251 DEBNORAD 34920 · 1993-036ADR · FragmentRussia—1 Jul 2025—Re-entered2025-1245COSMOS 2251 DEBNORAD 34057 · 1993-036JU · FragmentRussia—8 Jul 2025—Re-entered
1,101 entries · page 52 of 56
Other break-ups