NOAA 16 DEB IRIDIUM 911

0.014% collision chance on 2025-08-23 20:08:12z

CDM information

Conjunction Data Message description

NOAA 16 DEB is risking orbital collision with IRIDIUM 911. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 23, 2025, 8:12 p.m., with a collision probability of 0.014%. The closest distance at TCA is estimated to be 886.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object NOAA 16 DEB in its detailed page.

Key information

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

TCA: 2025-08-23 20:12:47z

CDM ID: 1125842314

Miss distance: 886.0 (m)

Collision probability: 0.0001368623 (~0.014%)

Last Updated: 2 weeks, 4 days ago

Objects comparison

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

NOAA 16 DEB	Name	IRIDIUM 911
41707	Norad ID	24842
DEBRIS	Type	PAYLOAD
SSO	Orbit	LEO
98.84°	Inclination	86.45°
SMALL	Size	LARGE
US	Country	US
Sept. 21, 2000	Launch date	June 18, 1997
	Full details

Live tracking

Real-time ground track for NOAA 16 DEB and IRIDIUM 911.

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