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
2024-1359COSMOS 2251 DEBNORAD 35278 · 1993-036AJG · FragmentRussia—2 Sep 2024—Re-entered2024-1375COSMOS 2251 DEBNORAD 34066 · 1993-036KD · FragmentRussia—5 Sep 2024—Re-entered2024-1383COSMOS 2251 DEBNORAD 37282 · 1993-036BHW · FragmentRussia—6 Sep 2024—Re-entered2024-1399COSMOS 2251 DEBNORAD 34038 · 1993-036HZ · FragmentRussia—8 Sep 2024—Re-entered2024-1400COSMOS 2251 DEBNORAD 35785 · 1993-036ASF · FragmentRussia—8 Sep 2024—Re-entered2024-1429COSMOS 2251 DEBNORAD 38191 · 1993-036BSF · FragmentRussia—12 Sep 2024—Re-entered2024-1434COSMOS 2251 DEBNORAD 34295 · 1993-036MR · FragmentRussia—13 Sep 2024—Re-entered2024-1435COSMOS 2251 DEBNORAD 36532 · 1993-036BCS · FragmentRussia—13 Sep 2024—Re-entered2024-1436COSMOS 2251 DEBNORAD 37273 · 1993-036BHM · FragmentRussia—13 Sep 2024—Re-entered2024-1445COSMOS 2251 DEBNORAD 37114 · 1993-036BGL · FragmentRussia—14 Sep 2024—Re-entered2024-1497COSMOS 2251 DEBNORAD 33770 · 1993-036T · FragmentRussia—21 Sep 2024—Re-entered2024-1503COSMOS 2251 DEBNORAD 37285 · 1993-036BHZ · FragmentRussia—22 Sep 2024—Re-entered2024-1529COSMOS 2251 DEBNORAD 37510 · 1993-036BMP · FragmentRussia—26 Sep 2024—Re-entered2024-1543COSMOS 2251 DEBNORAD 34456 · 1993-036SZ · FragmentRussia—29 Sep 2024—Re-entered2024-1569COSMOS 2251 DEBNORAD 34119 · 1993-036KQ · FragmentRussia—3 Oct 2024—Re-entered2024-1628COSMOS 2251 DEBNORAD 34123 · 1993-036KU · FragmentRussia—10 Oct 2024—Re-entered2024-1640COSMOS 2251 DEBNORAD 34751 · 1993-036ZV · FragmentRussia—11 Oct 2024—Re-entered2024-1641COSMOS 2251 DEBNORAD 35788 · 1993-036ASJ · FragmentRussia—11 Oct 2024—Re-entered2024-1657COSMOS 2251 DEBNORAD 37086 · 1993-036BFG · FragmentRussia—13 Oct 2024—Re-entered2024-1661COSMOS 2251 DEBNORAD 34331 · 1993-036PD · FragmentRussia—14 Oct 2024—Re-entered
1,101 entries · page 46 of 56
Other break-ups