CZ-4C R/B DELTA 1 DEB

0.152% collision chance on 2025-12-07 00:12:40z

CDM information

Conjunction Data Message description

CZ-4C R/B is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 7, 2025, 12:40 a.m., with a collision probability of 0.152%. The closest distance at TCA is estimated to be 443.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-12-07 00:40:45z

CDM ID: 1254156852

Miss distance: 443.0 (m)

Collision probability: 0.001516403 (~0.152%)

Objects comparison

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

CZ-4C R/B Name DELTA 1 DEB
64754 Norad ID 42560
ROCKET BODY Type DEBRIS
LEO Orbit SSO
10.99° Inclination 97.86°
LARGE Size SMALL
PRC Country US
July 3, 2025 Launch date July 23, 1972
Full details

Live tracking

Real-time ground track for CZ-4C R/B and DELTA 1 DEB.


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