CZ-4B R/B IRIDIUM 33 DEB

0.031% collision chance on 2025-11-08 11:11:10z

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 8, 2025, 11:10 a.m., with a collision probability of 0.031%. The closest distance at TCA is estimated to be 115.0 meters.

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

Key information

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

TCA: 2025-11-08 11:10:56z

CDM ID: 1219218168

Miss distance: 115.0 (m)

Collision probability: 0.0003069476 (~0.031%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

CZ-4B R/B	Name	IRIDIUM 33 DEB
32063	Norad ID	38228
ROCKET BODY	Type	DEBRIS
SSO	Orbit	LEO
98.19°	Inclination	86.29°
LARGE	Size	SMALL
PRC	Country	US
Sept. 19, 2007	Launch date	Sept. 14, 1997
	Full details

Live tracking

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

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