GB 1 CZ-4 DEB

0.012% collision chance on 2025-04-28 21:04:23z

CDM information

Conjunction Data Message description

GB 1 is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at April 28, 2025, 9:23 p.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 574.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-04-28 21:23:54z

CDM ID: 1008670208

Miss distance: 574.0 (m)

Collision probability: 0.0001161282 (~0.012%)

Objects comparison

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

GB 1 Name CZ-4 DEB
14143 Norad ID 26184
PAYLOAD Type DEBRIS
LEO Orbit SSO
63.31° Inclination 98.78°
LARGE Size SMALL
US Country PRC
June 9, 1983 Launch date Oct. 14, 1999
Full details

Live tracking

Real-time ground track for GB 1 and CZ-4 DEB.


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