IRIDIUM 920 IRIDIUM 33 DEB

0.016% collision chance on 2025-02-25 20:02:35z

CDM information

Conjunction Data Message description

IRIDIUM 920 is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Feb. 25, 2025, 8:35 p.m., with a collision probability of 0.016%. The closest distance at TCA is estimated to be 147.0 meters.

Key information

Parameters and calculations for this potential in-orbit collision event.

CDM image for a payload

TCA: 2025-02-25 20:35:40z

CDM ID: 952460444

Miss distance: 147.0 (m)

Collision probability: 0.0001554715 (~0.016%)

Objects comparison

A comparison of the two objects interested by this conjunction data message.

IRIDIUM 920 Name IRIDIUM 33 DEB
24871 Norad ID 34926
PAYLOAD Type DEBRIS
LEO Orbit LEO
86.4° Inclination 86.14°
LARGE Size SMALL
US Country US
July 9, 1997 Launch date Sept. 14, 1997
Full details

Live tracking

Real-time ground track for IRIDIUM 920 and IRIDIUM 33 DEB.


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