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
2023-1505COSMOS 2251 DEBNORAD 34427 · 1993-036RU · FragmentRussia—22 Aug 2023—Re-entered2023-1506COSMOS 2251 DEBNORAD 34763 · 1993-036AAH · FragmentRussia—22 Aug 2023—Re-entered2023-1534COSMOS 2251 DEBNORAD 34735 · 1993-036ZD · FragmentRussia—29 Aug 2023—Re-entered2023-1540COSMOS 2251 DEBNORAD 36076 · 1993-036AYP · FragmentRussia—30 Aug 2023—Re-entered2023-1553COSMOS 2251 DEBNORAD 34737 · 1993-036ZF · FragmentRussia—6 Sep 2023—Re-entered2023-1554COSMOS 2251 DEBNORAD 34791 · 1993-036AAU · FragmentRussia—6 Sep 2023—Re-entered2023-1568COSMOS 2251 DEBNORAD 35279 · 1993-036AJH · FragmentRussia—8 Sep 2023—Re-entered2023-1589COSMOS 2251 DEBNORAD 36615 · 1993-036BED · FragmentRussia—13 Sep 2023—Re-entered2023-1593COSMOS 2251 DEBNORAD 34850 · 1993-036ABU · FragmentRussia—15 Sep 2023—Re-entered2023-1605COSMOS 2251 DEBNORAD 34029 · 1993-036HQ · FragmentRussia—19 Sep 2023—Re-entered2023-1606COSMOS 2251 DEBNORAD 34411 · 1993-036RC · FragmentRussia—19 Sep 2023—Re-entered2023-1608COSMOS 2251 DEBNORAD 37488 · 1993-036BLR · FragmentRussia—19 Sep 2023—Re-entered2023-1620COSMOS 2251 DEBNORAD 37983 · 1993-036BQJ · FragmentRussia—22 Sep 2023—Re-entered2023-1626COSMOS 2251 DEBNORAD 47063 · 1993-036BXT · FragmentRussia—22 Sep 2023—Re-entered2023-1635COSMOS 2251 DEBNORAD 35059 · 1993-036AHN · FragmentRussia—26 Sep 2023—Re-entered2023-1647COSMOS 2251 DEBNORAD 34422 · 1993-036RP · FragmentRussia—28 Sep 2023—Re-entered2023-1651COSMOS 2251 DEBNORAD 35769 · 1993-036ARP · FragmentRussia—29 Sep 2023—Re-entered2023-1664COSMOS 2251 DEBNORAD 33893 · 1993-036CW · FragmentRussia—3 Oct 2023—Re-entered2023-1665COSMOS 2251 DEBNORAD 34337 · 1993-036PK · FragmentRussia—3 Oct 2023—Re-entered2023-1718COSMOS 2251 DEBNORAD 34445 · 1993-036SN · FragmentRussia—13 Oct 2023—Re-entered
1,101 entries · page 39 of 56
Other break-ups