CZ-4B R/B FENGYUN 1C DEB

0.027% collision chance on 2025-09-05 08:09:10z

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with FENGYUN 1C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 5, 2025, 8:10 a.m., with a collision probability of 0.027%. The closest distance at TCA is estimated to be 968.0 meters.

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

Key information

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

TCA: 2025-09-05 08:10:19z

CDM ID: 1141254471

Miss distance: 968.0 (m)

Collision probability: 0.0002688267 (~0.027%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

CZ-4B R/B	Name	FENGYUN 1C DEB
48624	Norad ID	31562
ROCKET BODY	Type	DEBRIS
LEO	Orbit	SSO
66.06°	Inclination	99.26°
LARGE	Size	SMALL
PRC	Country	PRC
May 19, 2021	Launch date	May 10, 1999
	Full details

Live tracking

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

Return to all CDMs

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.