COSMOS 1390 COSMOS 2491 DEB

0.025% collision chance on 2025-10-15 08:10:11z

CDM information

Conjunction Data Message description

COSMOS 1390 is risking orbital collision with COSMOS 2491 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 15, 2025, 8:11 a.m., with a collision probability of 0.025%. The closest distance at TCA is estimated to be 687.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1390 in its detailed page.

Key information

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

TCA: 2025-10-15 08:11:06z

CDM ID: 1189729724

Miss distance: 687.0 (m)

Collision probability: 0.0002463181 (~0.025%)

Last Updated: 3 weeks, 1 day ago

Objects comparison

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

COSMOS 1390	Name	COSMOS 2491 DEB
13377	Norad ID	57557
PAYLOAD	Type	DEBRIS
LEO	Orbit	LEO
74.01°	Inclination	82.48°
MEDIUM	Size	SMALL
CIS	Country	CIS
July 21, 1982	Launch date	Dec. 25, 2013
	Full details

Live tracking

Real-time ground track for COSMOS 1390 and COSMOS 2491 DEB.

Return to all CDMs

Newsletter sign-up

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