COSMOS 2251 DEB CZ-4 DEB

0.010% collision chance on 2025-10-30 03:10:12z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 30, 2025, 3:12 a.m., with a collision probability of 0.010%. The closest distance at TCA is estimated to be 293.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 2251 DEB in its detailed page.

Key information

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

TCA: 2025-10-30 03:12:18z

CDM ID: 1206929117

Miss distance: 293.0 (m)

Collision probability: 0.0001026635 (~0.010%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

COSMOS 2251 DEB	Name	CZ-4 DEB
36439	Norad ID	20894
DEBRIS	Type	DEBRIS
LEO	Orbit	SSO
73.97°	Inclination	98.55°
SMALL	Size	SMALL
CIS	Country	PRC
June 16, 1993	Launch date	Sept. 3, 1990
	Full details

Live tracking

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

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