CZ-6A DEB CZ-4 DEB

0.013% collision chance on 2025-07-06 22:07:29z

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 July 6, 2025, 10:29 p.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 460.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-07-06 22:29:03z

CDM ID: 1073039589

Miss distance: 460.0 (m)

Collision probability: 0.0001340014 (~0.013%)

Objects comparison

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

CZ-6A DEB Name CZ-4 DEB
61144 Norad ID 20894
DEBRIS Type DEBRIS
LEO Orbit SSO
88.96° Inclination 98.54°
SMALL Size SMALL
PRC Country PRC
Aug. 6, 2024 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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