NOAA 17 DEB SL-8 R/B

0.011% collision chance on 2025-09-16 17:09:06z

CDM information

Conjunction Data Message description

NOAA 17 DEB is risking orbital collision with SL-8 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 16, 2025, 5:06 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 335.0 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: 2025-09-16 17:06:13z

CDM ID: 1155531854

Miss distance: 335.0 (m)

Collision probability: 0.0001135115 (~0.011%)

Last Updated: 2 months, 3 weeks ago

Objects comparison

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

NOAA 17 DEB	Name	SL-8 R/B
48741	Norad ID	4139
DEBRIS	Type	ROCKET BODY
SSO	Orbit	LEO
98.69°	Inclination	74.03°
SMALL	Size	LARGE
US	Country	CIS
June 24, 2002	Launch date	Oct. 21, 1969
	Full details

Live tracking

Real-time ground track for NOAA 17 DEB and SL-8 R/B.

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