IRIDIUM 33 DEB COSMOS 407

0.035% collision chance on 2025-10-29 00:10:19z

CDM information

Conjunction Data Message description

IRIDIUM 33 DEB is risking orbital collision with COSMOS 407. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 29, 2025, 12:19 a.m., with a collision probability of 0.035%. The closest distance at TCA is estimated to be 628.0 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: 2025-10-29 00:19:04z

CDM ID: 1205609326

Miss distance: 628.0 (m)

Collision probability: 0.0003493835 (~0.035%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

IRIDIUM 33 DEB	Name	COSMOS 407
35052	Norad ID	5174
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
86.33°	Inclination	74.04°
SMALL	Size	LARGE
US	Country	CIS
Sept. 14, 1997	Launch date	April 23, 1971
	Full details

Live tracking

Real-time ground track for IRIDIUM 33 DEB and COSMOS 407.

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