FENGYUN 1C DEB CZ-4 DEB

0.017% collision chance on 2024-11-15 16:11:36z

CDM information

Conjunction Data Message description

FENGYUN 1C DEB 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, 2024, 4:36 p.m., with a collision probability of 0.017%. The closest distance at TCA is estimated to be 840.0 meters.

Key information

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

CDM image for a debris

TCA: 2024-11-15 16:36:56z

CDM ID: 865092706

Miss distance: 840.0 (m)

Collision probability: 0.0001698731 (~0.017%)

Objects comparison

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

FENGYUN 1C DEB Name CZ-4 DEB
35104 Norad ID 20879
DEBRIS Type DEBRIS
SSO Orbit SSO
98.6° Inclination 99.43°
SMALL Size MEDIUM
PRC Country PRC
May 10, 1999 Launch date Sept. 3, 1990
Full details

Live tracking

Real-time ground track for FENGYUN 1C DEB and CZ-4 DEB.


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