SL-3 DEB CZ-4 DEB

0.038% collision chance on 2025-11-19 22:11:45z

CDM information

Conjunction Data Message description

SL-3 DEB is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 19, 2025, 10:45 p.m., with a collision probability of 0.038%. The closest distance at TCA is estimated to be 49.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object SL-3 DEB in its detailed page.

Key information

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

TCA: 2025-11-19 22:45:57z

CDM ID: 1235281765

Miss distance: 49.0 (m)

Collision probability: 0.000382854 (~0.038%)

Last Updated: 3 weeks, 3 days ago

Objects comparison

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

SL-3 DEB	Name	CZ-4 DEB
9663	Norad ID	26159
DEBRIS	Type	DEBRIS
LEO	Orbit	SSO
81.27°	Inclination	99.35°
SMALL	Size	MEDIUM
CIS	Country	PRC
Jan. 6, 1977	Launch date	Oct. 14, 1999
	Full details

Live tracking

Real-time ground track for SL-3 DEB and CZ-4 DEB.

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