DMSP 5D-2 F11 DEB CZ-4B R/B

0.049% collision chance on 2025-07-06 11:07:33z

CDM information

Conjunction Data Message description

DMSP 5D-2 F11 DEB is risking orbital collision with CZ-4B R/B. The time of closest approach (TCA) between the two objects is calculated to be at July 6, 2025, 11:33 a.m., with a collision probability of 0.049%. The closest distance at TCA is estimated to be 118.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object DMSP 5D-2 F11 DEB in its detailed page.

Key information

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

TCA: 2025-07-06 11:33:10z

CDM ID: 1075478371

Miss distance: 118.0 (m)

Collision probability: 0.0004947353 (~0.049%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

DMSP 5D-2 F11 DEB	Name	CZ-4B R/B
28325	Norad ID	25942
DEBRIS	Type	ROCKET BODY
SSO	Orbit	SSO
98.57°	Inclination	98.77°
SMALL	Size	LARGE
US	Country	PRC
Nov. 28, 1991	Launch date	Oct. 14, 1999
	Full details

Live tracking

Real-time ground track for DMSP 5D-2 F11 DEB and CZ-4B R/B.

Return to all CDMs

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.