COSMOS 2491 DEB * REX

0.010% collision chance on 2025-09-13 08:09:59z

CDM information

Conjunction Data Message description

COSMOS 2491 DEB * is risking orbital collision with REX. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 13, 2025, 8:59 a.m., with a collision probability of 0.010%. The closest distance at TCA is estimated to be 965.0 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: 2025-09-13 08:59:43z

CDM ID: 1150174168

Miss distance: 965.0 (m)

Collision probability: 0.0001033509 (~0.010%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

COSMOS 2491 DEB *	Name	REX
45128	Norad ID	21527
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
81.21°	Inclination	89.52°
SMALL	Size	MEDIUM
CIS	Country	US
Dec. 25, 2013	Launch date	June 29, 1991
	Full details

Live tracking

Real-time ground track for COSMOS 2491 DEB * and REX.

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