IRIDIUM 69 COSMOS 252 DEB

0.069% collision chance on 2025-09-26 13:09:54z

CDM information

Conjunction Data Message description

IRIDIUM 69 is risking orbital collision with COSMOS 252 DEB. 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 0.069%. The closest distance at TCA is estimated to be 48.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object IRIDIUM 69 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: 1166500311

Miss distance: 48.0 (m)

Collision probability: 0.0006905969 (~0.069%)

Last Updated: 4 weeks ago

Objects comparison

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

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

Live tracking

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

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