CZ-4B DEB FENGYUN 1C DEB

0.031% collision chance on 2025-09-23 12:09:14z

CDM information

Conjunction Data Message description

CZ-4B DEB is risking orbital collision with FENGYUN 1C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 23, 2025, 12:14 p.m., with a collision probability of 0.031%. The closest distance at TCA is estimated to be 6.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-4B DEB in its detailed page.

Key information

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

TCA: 2025-09-23 12:14:44z

CDM ID: 1163767990

Miss distance: 6.0 (m)

Collision probability: 0.0003131271 (~0.031%)

Last Updated: 4 weeks, 1 day ago

Objects comparison

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

CZ-4B DEB	Name	FENGYUN 1C DEB
38309	Norad ID	31071
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
97.99°	Inclination	99.05°
SMALL	Size	SMALL
PRC	Country	PRC
Dec. 22, 2011	Launch date	May 10, 1999
	Full details

Live tracking

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

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