CZ-4 DEB IRIDIUM 33 DEB

0.061% collision chance on 2025-07-19 22:07:36z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at July 19, 2025, 10:36 p.m., with a collision probability of 0.061%. The closest distance at TCA is estimated to be 94.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-4 DEB in its detailed page.

Key information

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

TCA: 2025-07-19 22:36:17z

CDM ID: 1086842493

Miss distance: 94.0 (m)

Collision probability: 0.0006146787 (~0.061%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

CZ-4 DEB	Name	IRIDIUM 33 DEB
26323	Norad ID	34487
DEBRIS	Type	DEBRIS
SSO	Orbit	LEO
98.47°	Inclination	86.34°
SMALL	Size	SMALL
PRC	Country	US
Oct. 14, 1999	Launch date	Sept. 14, 1997
	Full details

Live tracking

Real-time ground track for CZ-4 DEB and IRIDIUM 33 DEB.

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