COSMOS 2251 COSMOS 252 DEB

0.018% collision chance on 2025-09-04 13:09:37z

CDM information

Conjunction Data Message description

COSMOS 2251 is risking orbital collision with COSMOS 252 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 4, 2025, 1:37 p.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 872.0 meters.

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

Key information

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

TCA: 2025-09-04 13:37:59z

CDM ID: 1139491070

Miss distance: 872.0 (m)

Collision probability: 0.0001775172 (~0.018%)

Last Updated: 3 days, 7 hours ago

Objects comparison

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

COSMOS 2251	Name	COSMOS 252 DEB
22675	Norad ID	3843
PAYLOAD	Type	DEBRIS
LEO	Orbit	LEO
74.04°	Inclination	62.26°
LARGE	Size	SMALL
CIS	Country	CIS
June 16, 1993	Launch date	Nov. 1, 1968
	Full details

Live tracking

Real-time ground track for COSMOS 2251 and COSMOS 252 DEB.

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