DELTA 1 DEB COSMOS 397 DEB

0.012% collision chance on 2025-09-22 08:09:49z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with COSMOS 397 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 22, 2025, 8:49 a.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 238.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object DELTA 1 DEB in its detailed page.

Key information

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

TCA: 2025-09-22 08:49:09z

CDM ID: 1161955475

Miss distance: 238.0 (m)

Collision probability: 0.000117913 (~0.012%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

DELTA 1 DEB	Name	COSMOS 397 DEB
10713	Norad ID	5187
DEBRIS	Type	DEBRIS
SSO	Orbit	LEO
101.56°	Inclination	65.65°
SMALL	Size	SMALL
US	Country	CIS
July 29, 1976	Launch date	Feb. 25, 1971
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and COSMOS 397 DEB.

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