DMSP 5D-2 F9 DEB IRIDIUM 920

1.216% collision chance on 2025-08-24 03:08:05z

CDM information

Conjunction Data Message description

DMSP 5D-2 F9 DEB is risking orbital collision with IRIDIUM 920. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 24, 2025, 3:05 a.m., with a collision probability of 1.216%. The closest distance at TCA is estimated to be 66.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-08-24 03:05:41z

CDM ID: 1129002244

Miss distance: 66.0 (m)

Collision probability: 0.01215587 (~1.216%)

Objects comparison

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

DMSP 5D-2 F9 DEB Name IRIDIUM 920
39046 Norad ID 24871
DEBRIS Type PAYLOAD
SSO Orbit LEO
98.63° Inclination 86.4°
SMALL Size LARGE
US Country US
Feb. 3, 1988 Launch date July 9, 1997
Full details

Live tracking

Real-time ground track for DMSP 5D-2 F9 DEB and IRIDIUM 920.


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