COSMOS 252 DEB IRIDIUM 69

0.058% collision chance on 2025-09-26 13:09:54z

CDM information

Conjunction Data Message description

COSMOS 252 DEB is risking orbital collision with IRIDIUM 69. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 26, 2025, 1:54 p.m., with a collision probability of 0.058%. The closest distance at TCA is estimated to be 146.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 252 DEB in its detailed page.

Key information

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

TCA: 2025-09-26 13:54:55z

CDM ID: 1165321551

Miss distance: 146.0 (m)

Collision probability: 0.0005758199 (~0.058%)

Last Updated: 1 month ago

Objects comparison

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

COSMOS 252 DEB	Name	IRIDIUM 69
3843	Norad ID	25319
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
62.26°	Inclination	86.4°
SMALL	Size	LARGE
CIS	Country	US
Nov. 1, 1968	Launch date	May 2, 1998
	Full details

Live tracking

Real-time ground track for COSMOS 252 DEB and IRIDIUM 69.

Return to all CDMs

Newsletter sign-up

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