IRIDIUM 33 DEB COSMOS 2251 DEB

0.017% collision chance on 2025-07-29 02:07:10z

CDM information

Conjunction Data Message description

IRIDIUM 33 DEB is risking orbital collision with COSMOS 2251 DEB. The time of closest approach (TCA) between the two objects is calculated to be at July 29, 2025, 2:10 a.m., with a collision probability of 0.017%. The closest distance at TCA is estimated to be 111.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object IRIDIUM 33 DEB in its detailed page.

Key information

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

TCA: 2025-07-29 02:10:20z

CDM ID: 1098720411

Miss distance: 111.0 (m)

Collision probability: 0.0001694143 (~0.017%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

IRIDIUM 33 DEB	Name	COSMOS 2251 DEB
33862	Norad ID	35829
DEBRIS	Type	DEBRIS
LEO	Orbit	LEO
86.4°	Inclination	74.03°
MEDIUM	Size	SMALL
US	Country	CIS
Sept. 14, 1997	Launch date	June 16, 1993
	Full details

Live tracking

Real-time ground track for IRIDIUM 33 DEB and COSMOS 2251 DEB.

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