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

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

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with DMSP 5D-2 F11 DEB. 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 CZ-4B R/B 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: 1075476931

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.

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

Live tracking

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

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