START 1 CZ-6A DEB

0.013% collision chance on 2025-07-20 20:07:51z

CDM information

Conjunction Data Message description

START 1 is risking orbital collision with CZ-6A DEB. The time of closest approach (TCA) between the two objects is calculated to be at July 20, 2025, 8:51 p.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 182.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-07-20 20:51:40z

CDM ID: 1087775090

Miss distance: 182.0 (m)

Collision probability: 0.0001256659 (~0.013%)

Objects comparison

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

START 1 Name CZ-6A DEB
22561 Norad ID 54329
PAYLOAD Type DEBRIS
LEO Orbit SSO
75.76° Inclination 98.65°
LARGE Size SMALL
CIS Country PRC
March 25, 1993 Launch date Nov. 11, 2022
Full details

Live tracking

Real-time ground track for START 1 and CZ-6A DEB.


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