IRIDIUM 69 CZ-4 DEB

0.062% collision chance on 2025-10-31 04:10:08z

CDM information

Conjunction Data Message description

IRIDIUM 69 is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 31, 2025, 4:08 a.m., with a collision probability of 0.062%. The closest distance at TCA is estimated to be 131.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object IRIDIUM 69 in its detailed page.

Key information

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

TCA: 2025-10-31 04:08:59z

CDM ID: 1211699218

Miss distance: 131.0 (m)

Collision probability: 0.0006171175 (~0.062%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

IRIDIUM 69	Name	CZ-4 DEB
25319	Norad ID	37622
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
86.4°	Inclination	98.32°
LARGE	Size	SMALL
US	Country	PRC
May 2, 1998	Launch date	Sept. 3, 1990
	Full details

Live tracking

Real-time ground track for IRIDIUM 69 and CZ-4 DEB.

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