COSMOS 2251 DEB COSMOS 923

0.023% collision chance on 2025-09-13 07:09:40z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with COSMOS 923. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 13, 2025, 7:40 a.m., with a collision probability of 0.023%. The closest distance at TCA is estimated to be 852.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 2251 DEB in its detailed page.

Key information

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

TCA: 2025-09-13 07:40:31z

CDM ID: 1148620406

Miss distance: 852.0 (m)

Collision probability: 0.000229474 (~0.023%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

COSMOS 2251 DEB	Name	COSMOS 923
35580	Norad ID	10120
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
73.9°	Inclination	74.05°
SMALL	Size	LARGE
CIS	Country	CIS
June 16, 1993	Launch date	July 1, 1977
	Full details

Live tracking

Real-time ground track for COSMOS 2251 DEB and COSMOS 923.

Return to all CDMs

Newsletter sign-up

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