CZ-4C R/B CZ-6A DEB

0.143% collision chance on 2025-09-02 17:09:19z

CDM information

Conjunction Data Message description

CZ-4C R/B is risking orbital collision with CZ-6A DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 2, 2025, 5:19 p.m., with a collision probability of 0.143%. The closest distance at TCA is estimated to be 41.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-09-02 17:19:37z

CDM ID: 1139145936

Miss distance: 41.0 (m)

Collision probability: 0.001433581 (~0.143%)

Objects comparison

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

CZ-4C R/B Name CZ-6A DEB
39261 Norad ID 61483
ROCKET BODY Type DEBRIS
SSO Orbit LEO
98.87° Inclination 88.64°
LARGE Size SMALL
PRC Country PRC
Sept. 23, 2013 Launch date Aug. 6, 2024
Full details

Live tracking

Real-time ground track for CZ-4C R/B and CZ-6A DEB.


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