CZ-4 DEB SL-14 R/B

0.128% collision chance on 2025-09-04 04:09:12z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with SL-14 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 4, 2025, 4:12 a.m., with a collision probability of 0.128%. The closest distance at TCA is estimated to be 215.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-4 DEB in its detailed page.

Key information

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

TCA: 2025-09-04 04:12:46z

CDM ID: 1139127318

Miss distance: 215.0 (m)

Collision probability: 0.001280762 (~0.128%)

Last Updated: 3 days, 5 hours ago

Objects comparison

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

CZ-4 DEB	Name	SL-14 R/B
26200	Norad ID	20511
DEBRIS	Type	ROCKET BODY
SSO	Orbit	LEO
98.26°	Inclination	82.52°
SMALL	Size	LARGE
PRC	Country	CIS
Oct. 14, 1999	Launch date	Feb. 28, 1990
	Full details

Live tracking

Real-time ground track for CZ-4 DEB and SL-14 R/B.

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