IRIDIUM 911 DMSP 5D-2 F11 DEB

0.011% collision chance on 2025-10-12 17:10:02z

CDM information

Conjunction Data Message description

IRIDIUM 911 is risking orbital collision with DMSP 5D-2 F11 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 12, 2025, 5:02 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 409.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object IRIDIUM 911 in its detailed page.

Key information

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

TCA: 2025-10-12 17:02:03z

CDM ID: 1186321391

Miss distance: 409.0 (m)

Collision probability: 0.0001145434 (~0.011%)

Last Updated: 1 week, 2 days ago

Objects comparison

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

IRIDIUM 911	Name	DMSP 5D-2 F11 DEB
24842	Norad ID	29069
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
86.45°	Inclination	98.93°
LARGE	Size	SMALL
US	Country	US
June 18, 1997	Launch date	Nov. 28, 1991
	Full details

Live tracking

Real-time ground track for IRIDIUM 911 and DMSP 5D-2 F11 DEB.

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