FENGYUN 1C DEB CZ-4B DEB

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

CDM information

Conjunction Data Message description

FENGYUN 1C DEB is risking orbital collision with CZ-4B 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 FENGYUN 1C 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: 1163755805

Miss distance: 6.0 (m)

Collision probability: 0.0003131271 (~0.031%)

Last Updated: 1 month ago

Objects comparison

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

FENGYUN 1C DEB	Name	CZ-4B DEB
31071	Norad ID	38309
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
99.04°	Inclination	97.98°
SMALL	Size	SMALL
PRC	Country	PRC
May 10, 1999	Launch date	Dec. 22, 2011
	Full details

Live tracking

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

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