CZ-4 DEB SL-8 DEB

0.019% collision chance on 2025-10-05 00:10:26z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with SL-8 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 5, 2025, 12:26 a.m., with a collision probability of 0.019%. The closest distance at TCA is estimated to be 119.0 meters.

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

Key information

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

TCA: 2025-10-05 00:26:27z

CDM ID: 1177339377

Miss distance: 119.0 (m)

Collision probability: 0.0001889685 (~0.019%)

Last Updated: 2 weeks, 4 days ago

Objects comparison

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

CZ-4 DEB	Name	SL-8 DEB
20858	Norad ID	13474
DEBRIS	Type	DEBRIS
SSO	Orbit	LEO
98.27°	Inclination	82.92°
MEDIUM	Size	SMALL
PRC	Country	CIS
Sept. 3, 1990	Launch date	March 31, 1978
	Full details

Live tracking

Real-time ground track for CZ-4 DEB and SL-8 DEB.

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