CZ-4C R/B DELTA 1 DEB

0.013% collision chance on 2025-04-16 07:04:28z

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 April 16, 2025, 7:28 a.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 340.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-04-16 07:28:53z

CDM ID: 997002341

Miss distance: 340.0 (m)

Collision probability: 0.0001252144 (~0.013%)

Objects comparison

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

CZ-4C R/B Name DELTA 1 DEB
40879 Norad ID 12539
ROCKET BODY Type DEBRIS
SSO Orbit SSO
100.51° Inclination 101.7°
LARGE Size SMALL
PRC Country US
Aug. 27, 2015 Launch date July 29, 1976
Full details

Live tracking

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


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