NOAA 16 DEB ARIANE 1 DEB

0.011% collision chance on 2025-07-21 05:07:31z

CDM information

Conjunction Data Message description

NOAA 16 DEB is risking orbital collision with ARIANE 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at July 21, 2025, 5:31 a.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 259.0 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: 2025-07-21 05:31:23z

CDM ID: 1089884106

Miss distance: 259.0 (m)

Collision probability: 0.0001061196 (~0.011%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

NOAA 16 DEB	Name	ARIANE 1 DEB
42405	Norad ID	17121
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
99.04°	Inclination	98.28°
SMALL	Size	MEDIUM
US	Country	FR
Sept. 21, 2000	Launch date	Feb. 22, 1986
	Full details

Live tracking

Real-time ground track for NOAA 16 DEB and ARIANE 1 DEB.

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