COSMOS 540 CZ-4 DEB

0.148% collision chance on 2024-11-11 15:11:18z

CDM information

Conjunction Data Message description

COSMOS 540 is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 11, 2024, 3:18 p.m., with a collision probability of 0.148%. The closest distance at TCA is estimated to be 255.0 meters.

Key information

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

CDM image for a payload

TCA: 2024-11-11 15:18:22z

CDM ID: 862645186

Miss distance: 255.0 (m)

Collision probability: 0.001478399 (~0.148%)

Objects comparison

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

COSMOS 540 Name CZ-4 DEB
6323 Norad ID 21911
PAYLOAD Type DEBRIS
LEO Orbit SSO
74.08° Inclination 98.37°
LARGE Size SMALL
CIS Country PRC
Dec. 25, 1972 Launch date Sept. 3, 1990
Full details

Live tracking

Real-time ground track for COSMOS 540 and CZ-4 DEB.


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