CZ-4C DEB CZ-4 DEB

0.010% collision chance on 2025-08-04 20:08:44z

CDM information

Conjunction Data Message description

CZ-4C DEB is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 4, 2025, 8:44 p.m., with a collision probability of 0.010%. 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-4C DEB in its detailed page.

Key information

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

TCA: 2025-08-04 20:44:07z

CDM ID: 1105190106

Miss distance: 118.0 (m)

Collision probability: 0.0001036703 (~0.010%)

Last Updated: 1 month ago

Objects comparison

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

CZ-4C DEB	Name	CZ-4 DEB
35249	Norad ID	20887
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
97.76°	Inclination	98.41°
SMALL	Size	SMALL
PRC	Country	PRC
Nov. 11, 2007	Launch date	Sept. 3, 1990
	Full details

Live tracking

Real-time ground track for CZ-4C DEB and CZ-4 DEB.

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