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
2024-0697COSMOS 2251 DEBNORAD 39590 · 1993-036BUV · FragmentRussia—16 May 2024—Re-entered2024-0709COSMOS 2251 DEBNORAD 34397 · 1993-036QN · FragmentRussia—18 May 2024—Re-entered2024-0728COSMOS 2251 DEBNORAD 34069 · 1993-036KG · FragmentRussia—21 May 2024—Re-entered2024-0744COSMOS 2251 DEBNORAD 34298 · 1993-036MU · FragmentRussia—23 May 2024—Re-entered2024-0745COSMOS 2251 DEBNORAD 35676 · 1993-036APT · FragmentRussia—23 May 2024—Re-entered2024-0752COSMOS 2251 DEBNORAD 34395 · 1993-036QL · FragmentRussia—24 May 2024—Re-entered2024-0770COSMOS 2251 DEBNORAD 37087 · 1993-036BFH · FragmentRussia—28 May 2024—Re-entered2024-0775COSMOS 2251 DEBNORAD 36375 · 1993-036AZC · FragmentRussia—29 May 2024—Re-entered2024-0789COSMOS 2251 DEBNORAD 36553 · 1993-036BDP · FragmentRussia—1 Jun 2024—Re-entered2024-0801COSMOS 2251 DEBNORAD 38196 · 1993-036BSL · FragmentRussia—4 Jun 2024—Re-entered2024-0806COSMOS 2251 DEBNORAD 36457 · 1993-036BBG · FragmentRussia—5 Jun 2024—Re-entered2024-0812COSMOS 2251 DEBNORAD 35072 · 1993-036AJB · FragmentRussia—6 Jun 2024—Re-entered2024-0822COSMOS 2251 DEBNORAD 34319 · 1993-036NR · FragmentRussia—8 Jun 2024—Re-entered2024-0823COSMOS 2251 DEBNORAD 34542 · 1993-036UC · FragmentRussia—8 Jun 2024—Re-entered2024-0840COSMOS 2251 DEBNORAD 37506 · 1993-036BMK · FragmentRussia—10 Jun 2024—Re-entered2024-0841COSMOS 2251 DEBNORAD 47058 · 1993-036BXN · FragmentRussia—10 Jun 2024—Re-entered2024-0845COSMOS 2251 DEBNORAD 37306 · 1993-036BJW · FragmentRussia—11 Jun 2024—Re-entered2024-0885COSMOS 2251 DEBNORAD 33806 · 1993-036AX · FragmentRussia—18 Jun 2024—Re-entered2024-0886COSMOS 2251 DEBNORAD 37124 · 1993-036BGW · FragmentRussia—18 Jun 2024—Re-entered2024-0896COSMOS 2251 DEBNORAD 34424 · 1993-036RR · FragmentRussia—21 Jun 2024—Re-entered
1,101 entries · page 44 of 56
Other break-ups