SL-8 R/B CZ-4 DEB

0.224% collision chance on 2025-11-15 22:11:25z

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. 15, 2025, 10:25 p.m., with a collision probability of 0.224%. The closest distance at TCA is estimated to be 57.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-11-15 22:25:09z

CDM ID: 1228741605

Miss distance: 57.0 (m)

Collision probability: 0.002243718 (~0.224%)

Objects comparison

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

SL-8 R/B Name CZ-4 DEB
9023 Norad ID 26338
ROCKET BODY Type DEBRIS
LEO Orbit SSO
74.04° Inclination 98.72°
LARGE Size MEDIUM
CIS Country PRC
July 15, 1976 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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