COSMOS 660 NOAA 17 DEB

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

CDM information

Conjunction Data Message description

COSMOS 660 is risking orbital collision with NOAA 17 DEB. 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 COSMOS 660 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: 1215071744

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.

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

Live tracking

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

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