COSMOS 1818 COOLANT CZ-4B R/B

0.027% collision chance on 2025-09-13 19:09:04z

CDM information

Conjunction Data Message description

COSMOS 1818 COOLANT is risking orbital collision with CZ-4B R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 13, 2025, 7:04 p.m., with a collision probability of 0.027%. The closest distance at TCA is estimated to be 960.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-09-13 19:04:17z

CDM ID: 1149747043

Miss distance: 960.0 (m)

Collision probability: 0.0002728587 (~0.027%)

Objects comparison

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

COSMOS 1818 COOLANT Name CZ-4B R/B
36935 Norad ID 25942
DEBRIS Type ROCKET BODY
LEO Orbit SSO
65.01° Inclination 98.76°
SMALL Size LARGE
CIS Country PRC
Feb. 1, 1987 Launch date Oct. 14, 1999
Full details

Live tracking

Real-time ground track for COSMOS 1818 COOLANT and CZ-4B R/B.


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