SL-8 R/B CZ-4C DEB

0.015% collision chance on 2025-09-03 17:09:21z

CDM information

Conjunction Data Message description

SL-8 R/B is risking orbital collision with CZ-4C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 3, 2025, 5:21 p.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 233.0 meters.

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

Key information

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

TCA: 2025-09-03 17:21:17z

CDM ID: 1139123788

Miss distance: 233.0 (m)

Collision probability: 0.0001474227 (~0.015%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

SL-8 R/B	Name	CZ-4C DEB
20433	Norad ID	43627
ROCKET BODY	Type	DEBRIS
LEO	Orbit	SSO
74.03°	Inclination	100.55°
LARGE	Size	SMALL
CIS	Country	PRC
Jan. 18, 1990	Launch date	Nov. 20, 2013
	Full details

Live tracking

Real-time ground track for SL-8 R/B and CZ-4C DEB.

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