SL-8 DEB SSETI-EXPRESS

0.028% collision chance on 2025-11-21 16:11:05z

CDM information

Conjunction Data Message description

SL-8 DEB is risking orbital collision with SSETI-EXPRESS. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 21, 2025, 4:05 p.m., with a collision probability of 0.028%. The closest distance at TCA is estimated to be 621.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object SL-8 DEB in its detailed page.

Key information

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

TCA: 2025-11-21 16:05:53z

CDM ID: 1235286612

Miss distance: 621.0 (m)

Collision probability: 0.0002849788 (~0.028%)

Last Updated: 3 weeks, 3 days ago

Objects comparison

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

SL-8 DEB	Name	SSETI-EXPRESS
18526	Norad ID	28894
DEBRIS	Type	PAYLOAD
LEO	Orbit	SSO
74.03°	Inclination	98.28°
SMALL	Size	MEDIUM
CIS	Country	ESA
June 9, 1987	Launch date	Oct. 27, 2005
	Full details

Live tracking

Real-time ground track for SL-8 DEB and SSETI-EXPRESS.

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