CZ-4 DEB COSMOS 1503

0.222% collision chance on 2025-11-12 20:11:49z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with COSMOS 1503. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 12, 2025, 8:49 p.m., with a collision probability of 0.222%. The closest distance at TCA is estimated to be 84.0 meters.

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

Key information

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

TCA: 2025-11-12 20:49:54z

CDM ID: 1226270459

Miss distance: 84.0 (m)

Collision probability: 0.002215958 (~0.222%)

Last Updated: 1 month ago

Objects comparison

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

CZ-4 DEB	Name	COSMOS 1503
20894	Norad ID	14401
DEBRIS	Type	PAYLOAD
SSO	Orbit	LEO
98.55°	Inclination	74.04°
SMALL	Size	LARGE
PRC	Country	CIS
Sept. 3, 1990	Launch date	Oct. 12, 1983
	Full details

Live tracking

Real-time ground track for CZ-4 DEB and COSMOS 1503.

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