CZ-4B R/B FENGYUN 1C DEB

0.016% collision chance on 2025-08-12 17:08:14z

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 Aug. 12, 2025, 5:14 p.m., with a collision probability of 0.016%. The closest distance at TCA is estimated to be 453.0 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: 2025-08-12 17:14:53z

CDM ID: 1113662568

Miss distance: 453.0 (m)

Collision probability: 0.0001600973 (~0.016%)

Last Updated: 2 weeks, 6 days ago

Objects comparison

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

CZ-4B R/B	Name	FENGYUN 1C DEB
48158	Norad ID	31888
ROCKET BODY	Type	DEBRIS
SSO	Orbit	SSO
99.46°	Inclination	99.15°
LARGE	Size	SMALL
PRC	Country	PRC
April 8, 2021	Launch date	May 10, 1999
	Full details

Live tracking

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

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