COSMOS 2491 DEB COSMOS 1691

0.011% collision chance on 2025-09-11 22:09:45z

CDM information

Conjunction Data Message description

COSMOS 2491 DEB is risking orbital collision with COSMOS 1691. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 11, 2025, 10:45 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 871.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 2491 DEB in its detailed page.

Key information

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

TCA: 2025-09-11 22:45:31z

CDM ID: 1147264886

Miss distance: 871.0 (m)

Collision probability: 0.0001080099 (~0.011%)

Last Updated: 1 day, 20 hours ago

Objects comparison

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

COSMOS 2491 DEB	Name	COSMOS 1691
45172	Norad ID	16139
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
82.46°	Inclination	82.61°
SMALL	Size	MEDIUM
CIS	Country	CIS
Dec. 25, 2013	Launch date	Oct. 9, 1985
	Full details

Live tracking

Real-time ground track for COSMOS 2491 DEB and COSMOS 1691.

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