FENGYUN 1C DEB CZ-4C R/B

0.015% collision chance on 2025-09-02 12:09:07z

CDM information

Conjunction Data Message description

FENGYUN 1C DEB is risking orbital collision with CZ-4C R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 2, 2025, 12:07 p.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 133.0 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: 2025-09-02 12:07:13z

CDM ID: 1138072385

Miss distance: 133.0 (m)

Collision probability: 0.0001540494 (~0.015%)

Last Updated: 3 days, 14 hours ago

Objects comparison

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

FENGYUN 1C DEB	Name	CZ-4C R/B
31817	Norad ID	50467
DEBRIS	Type	ROCKET BODY
SSO	Orbit	SSO
98.91°	Inclination	98.71°
SMALL	Size	LARGE
PRC	Country	PRC
May 10, 1999	Launch date	Dec. 26, 2021
	Full details

Live tracking

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

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