CZ-4 DEB SL-16 R/B

0.233% collision chance on 2025-11-21 13:11:41z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with SL-16 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 21, 2025, 1:41 p.m., with a collision probability of 0.233%. The closest distance at TCA is estimated to be 45.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-11-21 13:41:46z

CDM ID: 1237311880

Miss distance: 45.0 (m)

Collision probability: 0.002329173 (~0.233%)

Objects comparison

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

CZ-4 DEB Name SL-16 R/B
28071 Norad ID 31793
DEBRIS Type ROCKET BODY
SSO Orbit LEO
98.6° Inclination 70.98°
SMALL Size LARGE
PRC Country CIS
Oct. 14, 1999 Launch date June 29, 2007
Full details

Live tracking

Real-time ground track for CZ-4 DEB and SL-16 R/B.


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