CZ-4 DEB SL-8 R/B

0.016% collision chance on 2024-10-06 17:10:42z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with SL-8 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 6, 2024, 5:42 p.m., with a collision probability of 0.016%. The closest distance at TCA is estimated to be 679.0 meters.

Key information

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

CDM image for a debris

TCA: 2024-10-06 17:42:36z

CDM ID: 832785135

Miss distance: 679.0 (m)

Collision probability: 0.0001592007 (~0.016%)

Objects comparison

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

CZ-4 DEB Name SL-8 R/B
27678 Norad ID 11511
DEBRIS Type ROCKET BODY
SSO Orbit LEO
98.88° Inclination 74.04°
SMALL Size LARGE
PRC Country CIS
Oct. 14, 1999 Launch date Aug. 28, 1979
Full details

Live tracking

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


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