DMSP 5D-2 F13 DEB IRIDIUM 920

0.012% collision chance on 2025-04-29 12:04:18z

CDM information

Conjunction Data Message description

DMSP 5D-2 F13 DEB is risking orbital collision with IRIDIUM 920. The time of closest approach (TCA) between the two objects is calculated to be at April 29, 2025, 12:18 p.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 660.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-04-29 12:18:27z

CDM ID: 1008705207

Miss distance: 660.0 (m)

Collision probability: 0.000118208 (~0.012%)

Objects comparison

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

DMSP 5D-2 F13 DEB Name IRIDIUM 920
40468 Norad ID 24871
DEBRIS Type PAYLOAD
SSO Orbit LEO
98.65° Inclination 86.4°
SMALL Size LARGE
US Country US
March 24, 1995 Launch date July 9, 1997
Full details

Live tracking

Real-time ground track for DMSP 5D-2 F13 DEB and IRIDIUM 920.


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