CZ-6A R/B CZ-4 DEB

0.039% collision chance on 2025-09-26 02:09:45z

CDM information

Conjunction Data Message description

CZ-6A R/B is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 26, 2025, 2:45 a.m., with a collision probability of 0.039%. The closest distance at TCA is estimated to be 435.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-09-26 02:45:45z

CDM ID: 1165415080

Miss distance: 435.0 (m)

Collision probability: 0.0003892952 (~0.039%)

Objects comparison

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

CZ-6A R/B Name CZ-4 DEB
57835 Norad ID 37622
ROCKET BODY Type DEBRIS
LEO Orbit SSO
86.0° Inclination 98.33°
LARGE Size SMALL
PRC Country PRC
Sept. 10, 2023 Launch date Sept. 3, 1990
Full details

Live tracking

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


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