COSMOS 397 DEB * FENGYUN 1C DEB

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

CDM information

Conjunction Data Message description

COSMOS 397 DEB * is risking orbital collision with FENGYUN 1C 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 COSMOS 397 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: 1131481388

Miss distance: 140.0 (m)

Collision probability: 0.0003478879 (~0.035%)

Last Updated: 1 week, 1 day ago

Objects comparison

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

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

Live tracking

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

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