CZ-4 DEB SL-12 DEB

0.013% collision chance on 2025-05-29 15:05:23z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with SL-12 DEB. The time of closest approach (TCA) between the two objects is calculated to be at May 29, 2025, 3:23 p.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 353.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-05-29 15:23:46z

CDM ID: 1038255416

Miss distance: 353.0 (m)

Collision probability: 0.0001305592 (~0.013%)

Objects comparison

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

CZ-4 DEB Name SL-12 DEB
20887 Norad ID 42974
DEBRIS Type DEBRIS
SSO Orbit HEO
98.41° Inclination 64.79°
SMALL Size MEDIUM
PRC Country CIS
Sept. 3, 1990 Launch date Sept. 2, 2010
Full details

Live tracking

Real-time ground track for CZ-4 DEB and SL-12 DEB.


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