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
2013-0085COSMOS 2251 DEBNORAD 34578 · 1993-036VQ · FragmentRussia—19 Mar 2013—Re-entered2013-0086COSMOS 2251 DEBNORAD 36433 · 1993-036BAG · FragmentRussia—20 Mar 2013—Re-entered2013-0093COSMOS 2251 DEBNORAD 38193 · 1993-036BSH · FragmentRussia—27 Mar 2013—Re-entered2013-0095COSMOS 2251 DEBNORAD 35588 · 1993-036AMF · FragmentRussia—29 Mar 2013—Re-entered2013-0100COSMOS 2251 DEBNORAD 33997 · 1993-036GG · FragmentRussia—1 Apr 2013—Re-entered2013-0101COSMOS 2251 DEBNORAD 35973 · 1993-036AVP · FragmentRussia—1 Apr 2013—Re-entered2013-0102COSMOS 2251 DEBNORAD 33987 · 1993-036FW · FragmentRussia—3 Apr 2013—Re-entered2013-0105COSMOS 2251 DEBNORAD 34309 · 1993-036NF · FragmentRussia—6 Apr 2013—Re-entered2013-0107COSMOS 2251 DEBNORAD 33897 · 1993-036DA · FragmentRussia—8 Apr 2013—Re-entered2013-0112COSMOS 2251 DEBNORAD 35880 · 1993-036ATT · FragmentRussia—16 Apr 2013—Re-entered2013-0127COSMOS 2251 DEBNORAD 34310 · 1993-036NG · FragmentRussia—28 Apr 2013—Re-entered2013-0132COSMOS 2251 DEBNORAD 35030 · 1993-036AGT · FragmentRussia—30 Apr 2013—Re-entered2013-0137COSMOS 2251 DEBNORAD 38217 · 1993-036BTH · FragmentRussia—2 May 2013—Re-entered2013-0140COSMOS 2251 DEBNORAD 34880 · 1993-036ACT · FragmentRussia—3 May 2013—Re-entered2013-0150COSMOS 2251 DEBNORAD 35766 · 1993-036ARL · FragmentRussia—10 May 2013—Re-entered2013-0160COSMOS 2251 DEBNORAD 34748 · 1993-036ZS · FragmentRussia—18 May 2013—Re-entered2013-0162COSMOS 2251 DEBNORAD 35472 · 1993-036ALS · FragmentRussia—19 May 2013—Re-entered2013-0166COSMOS 2251 DEBNORAD 37513 · 1993-036BMS · FragmentRussia—22 May 2013—Re-entered2013-0170COSMOS 2251 DEBNORAD 34950 · 1993-036AED · FragmentRussia—26 May 2013—Re-entered2013-0174COSMOS 2251 DEBNORAD 36523 · 1993-036BCH · FragmentRussia—30 May 2013—Re-entered
1,101 entries · page 15 of 56
Other break-ups