NOAA 17 DEB OKEAN 2

0.017% collision chance on 2025-09-20 01:09:40z

CDM information

Conjunction Data Message description

NOAA 17 DEB is risking orbital collision with OKEAN 2. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 20, 2025, 1:40 a.m., with a collision probability of 0.017%. The closest distance at TCA is estimated to be 837.0 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: 2025-09-20 01:40:06z

CDM ID: 1156331346

Miss distance: 837.0 (m)

Collision probability: 0.0001705882 (~0.017%)

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	OKEAN 2
48736	Norad ID	20510
DEBRIS	Type	PAYLOAD
SSO	Orbit	LEO
98.73°	Inclination	82.5°
SMALL	Size	LARGE
US	Country	CIS
June 24, 2002	Launch date	Feb. 28, 1990
	Full details

Live tracking

Real-time ground track for NOAA 17 DEB and OKEAN 2.

Return to all CDMs

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.