REX COSMOS 2491 DEB *

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

CDM information

Conjunction Data Message description

REX is risking orbital collision with COSMOS 2491 DEB *. 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.

Key information

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

CDM image for a payload

TCA: 2025-09-13 08:59:43z

CDM ID: 1150137713

Miss distance: 965.0 (m)

Collision probability: 0.0001033509 (~0.010%)

Objects comparison

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

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

Live tracking

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


Newsletter sign-up

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