CZ-6A DEB CZ-4 DEB

0.189% collision chance on 2025-08-11 23:08:21z

CDM information

Conjunction Data Message description

CZ-6A 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. 11, 2025, 11:21 p.m., with a collision probability of 0.189%. The closest distance at TCA is estimated to be 32.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-6A DEB in its detailed page.

Key information

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

TCA: 2025-08-11 23:21:24z

CDM ID: 1113714320

Miss distance: 32.0 (m)

Collision probability: 0.001892658 (~0.189%)

Last Updated: 3 weeks, 6 days ago

Objects comparison

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

CZ-6A DEB	Name	CZ-4 DEB
56606	Norad ID	20913
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
98.84°	Inclination	98.85°
SMALL	Size	SMALL
PRC	Country	PRC
Nov. 11, 2022	Launch date	Sept. 3, 1990
	Full details

Live tracking

Real-time ground track for CZ-6A DEB and CZ-4 DEB.

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