FENGYUN 1C DEB COSMOS 397 DEB *

0.035% collision chance on 2025-08-27 04:08:06z

CDM information

Conjunction Data Message description

FENGYUN 1C DEB is risking orbital collision with COSMOS 397 DEB *. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 27, 2025, 4:06 a.m., with a collision probability of 0.035%. The closest distance at TCA is estimated to be 140.0 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: 2025-08-27 04:06:22z

CDM ID: 1131501011

Miss distance: 140.0 (m)

Collision probability: 0.0003478879 (~0.035%)

Last Updated: 1 week, 4 days ago

Objects comparison

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

FENGYUN 1C DEB	Name	COSMOS 397 DEB *
29988	Norad ID	5529
DEBRIS	Type	DEBRIS
SSO	Orbit	LEO
98.69°	Inclination	66.84°
MEDIUM	Size	SMALL
PRC	Country	CIS
May 10, 1999	Launch date	Feb. 25, 1971
	Full details

Live tracking

Real-time ground track for FENGYUN 1C DEB and COSMOS 397 DEB *.

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