NOAA 17 DEB COSMOS 660

0.037% collision chance on 2025-11-03 10:11:58z

CDM information

Conjunction Data Message description

NOAA 17 DEB is risking orbital collision with COSMOS 660. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 3, 2025, 10:58 a.m., with a collision probability of 0.037%. The closest distance at TCA is estimated to be 119.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object NOAA 17 DEB in its detailed page.

Key information

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

TCA: 2025-11-03 10:58:34z

CDM ID: 1215118873

Miss distance: 119.0 (m)

Collision probability: 0.0003696412 (~0.037%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

NOAA 17 DEB	Name	COSMOS 660
48744	Norad ID	7337
DEBRIS	Type	PAYLOAD
SSO	Orbit	LEO
98.9°	Inclination	82.94°
SMALL	Size	LARGE
US	Country	CIS
June 24, 2002	Launch date	June 18, 1974
	Full details

Live tracking

Real-time ground track for NOAA 17 DEB and COSMOS 660.

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