CZ-4B DEB COSMOS 2251 DEB

0.025% collision chance on 2025-09-21 22:09:57z

CDM information

Conjunction Data Message description

CZ-4B DEB is risking orbital collision with COSMOS 2251 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 21, 2025, 10:57 p.m., with a collision probability of 0.025%. The closest distance at TCA is estimated to be 91.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-4B DEB in its detailed page.

Key information

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

TCA: 2025-09-21 22:57:01z

CDM ID: 1161606166

Miss distance: 91.0 (m)

Collision probability: 0.0002504537 (~0.025%)

Last Updated: 1 month ago

Objects comparison

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

CZ-4B DEB	Name	COSMOS 2251 DEB
40533	Norad ID	34672
DEBRIS	Type	DEBRIS
LEO	Orbit	LEO
74.92°	Inclination	74.04°
SMALL	Size	SMALL
PRC	Country	CIS
Oct. 25, 2013	Launch date	June 16, 1993
	Full details

Live tracking

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

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