COSMOS 1850 CZ-4 DEB

0.122% collision chance on 2025-09-12 16:09:12z

CDM information

Conjunction Data Message description

COSMOS 1850 is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 12, 2025, 4:12 p.m., with a collision probability of 0.122%. The closest distance at TCA is estimated to be 481.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1850 in its detailed page.

Key information

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

TCA: 2025-09-12 16:12:31z

CDM ID: 1148570209

Miss distance: 481.0 (m)

Collision probability: 0.001221778 (~0.122%)

Last Updated: 1 month ago

Objects comparison

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

COSMOS 1850	Name	CZ-4 DEB
18095	Norad ID	31131
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
74.04°	Inclination	98.87°
LARGE	Size	SMALL
CIS	Country	PRC
June 9, 1987	Launch date	Oct. 21, 2003
	Full details

Live tracking

Real-time ground track for COSMOS 1850 and CZ-4 DEB.

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