COSMOS 921 IRIDIUM 33 DEB

0.018% collision chance on 2025-10-09 03:10:04z

CDM information

Conjunction Data Message description

COSMOS 921 is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 9, 2025, 3:04 a.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 228.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 921 in its detailed page.

Key information

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

TCA: 2025-10-09 03:04:46z

CDM ID: 1182991637

Miss distance: 228.0 (m)

Collision probability: 0.0001842665 (~0.018%)

Last Updated: 2 weeks, 5 days ago

Objects comparison

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

COSMOS 921	Name	IRIDIUM 33 DEB
10095	Norad ID	36028
PAYLOAD	Type	DEBRIS
LEO	Orbit	LEO
75.83°	Inclination	86.33°
LARGE	Size	SMALL
CIS	Country	US
June 24, 1977	Launch date	Sept. 14, 1997
	Full details

Live tracking

Real-time ground track for COSMOS 921 and IRIDIUM 33 DEB.

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