CZ-4 DEB H-2A DEB *

0.011% collision chance on 2025-06-09 13:06:31z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with H-2A DEB *. The time of closest approach (TCA) between the two objects is calculated to be at June 9, 2025, 1:31 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 571.0 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: 2025-06-09 13:31:45z

CDM ID: 1047678763

Miss distance: 571.0 (m)

Collision probability: 0.0001061079 (~0.011%)

Last Updated: 1 month ago

Objects comparison

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

CZ-4 DEB	Name	H-2A DEB *
20900	Norad ID	48551
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
99.05°	Inclination	98.0°
SMALL	Size	SMALL
PRC	Country	JPN
Sept. 3, 1990	Launch date	Oct. 29, 2018
	Full details

Live tracking

Real-time ground track for CZ-4 DEB and H-2A DEB *.

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