Break-up record
Iridium 33
On 10 February 2009 the communications satellite Iridium 33 collided with the retired Russian satellite Cosmos 2251, the first accidental collision between two intact satellites. 539 of its fragments are now entered in the Orbital Register.
539
Fragments on record
10 Feb 2009
Break-up
19 Jan 2016
Half down by
10 Jul 2026
Latest to come down
112
Still in orbit
Fragments coming down, month by month
Bars: per month · line: share of the cloud downFragments re-entered that monthShare of all 539 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
2025-0874IRIDIUM 33 DEBNORAD 38236 · 1997-051ZL · FragmentUnited States—25 Apr 2025—Re-entered2025-0949IRIDIUM 33 DEBNORAD 34106 · 1997-051DR · FragmentUnited States—7 May 2025—Re-entered2025-0998IRIDIUM 33 DEBNORAD 36487 · 1997-051WD · FragmentUnited States—11 May 2025—Re-entered2025-1027IRIDIUM 33 DEBNORAD 35632 · 1997-051RE · FragmentUnited States—15 May 2025—Re-entered2025-1077IRIDIUM 33 DEBNORAD 33864 · 1997-051AH · FragmentUnited States—23 May 2025—Re-entered2025-1196IRIDIUM 33 DEBNORAD 34702 · 1997-051KZ · FragmentUnited States—24 Jun 2025—Re-entered2025-1326IRIDIUM 33 DEBNORAD 33874 · 1997-051AT · FragmentUnited States—1 Aug 2025—Re-entered2025-1451IRIDIUM 33 DEBNORAD 38225 · 1997-051YZ · FragmentUnited States—5 Sep 2025—Re-entered2025-1477IRIDIUM 33 DEBNORAD 46976 · 1997-051ACJ · FragmentUnited States—11 Sep 2025—Re-entered2025-1675IRIDIUM 33 DEBNORAD 35911 · 1997-051TU · FragmentUnited States—27 Oct 2025—Re-entered2025-1723IRIDIUM 33 DEBNORAD 39594 · 1997-051AAG · FragmentUnited States—12 Nov 2025—Re-entered2025-1760IRIDIUM 33 DEBNORAD 34928 · 1997-051NH · FragmentUnited States—19 Nov 2025—Re-entered2025-1779IRIDIUM 33 DEBNORAD 34775 · 1997-051LU · FragmentUnited States—24 Nov 2025—Re-entered2025-1794IRIDIUM 33 DEBNORAD 33859 · 1997-051AC · FragmentUnited States—28 Nov 2025—Re-entered2025-1895IRIDIUM 33 DEBNORAD 33867 · 1997-051AL · FragmentUnited States—24 Dec 2025—Re-enteredPendingIRIDIUM 33 DEBNORAD 39783 · 1997-051AAQ · FragmentUnited States—27 Jan 2026—Re-enteredPendingIRIDIUM 33 DEBNORAD 34488 · 1997-051GD · FragmentUnited States—28 Feb 2026—Re-enteredPendingIRIDIUM 33 DEBNORAD 34693 · 1997-051KQ · FragmentUnited States—2 Mar 2026—Re-enteredPendingIRIDIUM 33 DEBNORAD 35080 · 1997-051PF · FragmentUnited States—10 Jul 2026—Re-entered
539 entries · page 27 of 27
Other break-ups