SL-8 R/B CZ-4B DEB

0.012% collision chance on 2024-11-01 00:11:29z

CDM information

Conjunction Data Message description

SL-8 R/B is risking orbital collision with CZ-4B DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 1, 2024, 12:29 a.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 455.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2024-11-01 00:29:24z

CDM ID: 853359267

Miss distance: 455.0 (m)

Collision probability: 0.0001156085 (~0.012%)

Objects comparison

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

SL-8 R/B Name CZ-4B DEB
9023 Norad ID 37581
ROCKET BODY Type DEBRIS
LEO Orbit SSO
74.04° Inclination 98.75°
LARGE Size SMALL
CIS Country PRC
July 15, 1976 Launch date May 10, 1999
Full details

Live tracking

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


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