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
2024-1855COSMOS 2251 DEBNORAD 37529 · 1993-036BNJ · FragmentRussia—13 Nov 2024—Re-entered2024-1884COSMOS 2251 DEBNORAD 35461 · 1993-036ALF · FragmentRussia—16 Nov 2024—Re-entered2024-1909COSMOS 2251 DEBNORAD 35776 · 1993-036ARW · FragmentRussia—18 Nov 2024—Re-entered2024-1923COSMOS 2251 DEBNORAD 34977 · 1993-036AFG · FragmentRussia—20 Nov 2024—Re-entered2024-1924COSMOS 2251 DEBNORAD 35775 · 1993-036ARV · FragmentRussia—20 Nov 2024—Re-entered2024-1941COSMOS 2251 DEBNORAD 36372 · 1993-036AYZ · FragmentRussia—24 Nov 2024—Re-entered2024-1949COSMOS 2251 DEBNORAD 35076 · 1993-036AJF · FragmentRussia—26 Nov 2024—Re-entered2024-1950COSMOS 2251 DEBNORAD 36630 · 1993-036BEU · FragmentRussia—26 Nov 2024—Re-entered2024-1985COSMOS 2251 DEBNORAD 38065 · 1993-036BRX · FragmentRussia—30 Nov 2024—Re-entered2024-2033COSMOS 2251 DEBNORAD 36059 · 1993-036AXW · FragmentRussia—7 Dec 2024—Re-entered2024-2047COSMOS 2251 DEBNORAD 33935 · 1993-036EQ · FragmentRussia—10 Dec 2024—Re-entered2024-2048COSMOS 2251 DEBNORAD 34465 · 1993-036TJ · FragmentRussia—10 Dec 2024—Re-entered2024-2077COSMOS 2251 DEBNORAD 35904 · 1993-036AUT · FragmentRussia—14 Dec 2024—Re-entered2024-2135COSMOS 2251 DEBNORAD 34789 · 1993-036AAS · FragmentRussia—21 Dec 2024—Re-entered2024-2136COSMOS 2251 DEBNORAD 34912 · 1993-036ADH · FragmentRussia—21 Dec 2024—Re-entered2024-2138COSMOS 2251 DEBNORAD 35726 · 1993-036AQX · FragmentRussia—21 Dec 2024—Re-entered2024-2162COSMOS 2251 DEBNORAD 33824 · 1993-036BR · FragmentRussia—24 Dec 2024—Re-entered2024-2180COSMOS 2251 DEBNORAD 36381 · 1993-036AZJ · FragmentRussia—26 Dec 2024—Re-entered2024-2208COSMOS 2251 DEBNORAD 35720 · 1993-036AQR · FragmentRussia—31 Dec 2024—Re-entered2025-0013COSMOS 2251 DEBNORAD 34330 · 1993-036PC · FragmentRussia—3 Jan 2025—Re-entered
1,101 entries · page 48 of 56
Other break-ups