CZ-6A DEB CZ-4B DEB

0.014% collision chance on 2025-02-19 22:02:04z

CDM information

Conjunction Data Message description

CZ-6A DEB is risking orbital collision with CZ-4B DEB. The time of closest approach (TCA) between the two objects is calculated to be at Feb. 19, 2025, 10:04 p.m., with a collision probability of 0.014%. The closest distance at TCA is estimated to be 201.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-02-19 22:04:25z

CDM ID: 947105978

Miss distance: 201.0 (m)

Collision probability: 0.0001402048 (~0.014%)

Objects comparison

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

CZ-6A DEB Name CZ-4B DEB
54320 Norad ID 25733
DEBRIS Type DEBRIS
SSO Orbit SSO
98.9° Inclination 98.73°
SMALL Size LARGE
PRC Country PRC
Nov. 11, 2022 Launch date May 10, 1999
Full details

Live tracking

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


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