CZ-4B R/B COSMOS 2251 DEB

0.015% collision chance on 2024-10-20 07:10:06z

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with COSMOS 2251 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 20, 2024, 7:06 a.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 238.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2024-10-20 07:06:09z

CDM ID: 844804182

Miss distance: 238.0 (m)

Collision probability: 0.0001490344 (~0.015%)

Objects comparison

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

CZ-4B R/B Name COSMOS 2251 DEB
43656 Norad ID 34388
ROCKET BODY Type DEBRIS
SSO Orbit LEO
99.4° Inclination 74.04°
LARGE Size SMALL
PRC Country CIS
Oct. 24, 2018 Launch date June 16, 1993
Full details

Live tracking

Real-time ground track for CZ-4B R/B and COSMOS 2251 DEB.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.