SL-8 R/B CZ-4 DEB

0.012% collision chance on 2025-11-25 09:11:44z

CDM information

Conjunction Data Message description

SL-8 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 Nov. 25, 2025, 9:44 a.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 301.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-11-25 09:44:47z

CDM ID: 1239056348

Miss distance: 301.0 (m)

Collision probability: 0.0001174548 (~0.012%)

Objects comparison

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

SL-8 R/B Name CZ-4 DEB
19257 Norad ID 26129
ROCKET BODY Type DEBRIS
LEO Orbit SSO
74.05° Inclination 99.0°
LARGE Size MEDIUM
CIS Country PRC
June 21, 1988 Launch date Oct. 14, 1999
Full details

Live tracking

Real-time ground track for SL-8 R/B and CZ-4 DEB.


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