DELTA 2 R/B(1) CZ-4B DEB

0.029% collision chance on 2025-10-12 01:10:32z

CDM information

Conjunction Data Message description

DELTA 2 R/B(1) is risking orbital collision with CZ-4B DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 12, 2025, 1:32 a.m., with a collision probability of 0.029%. The closest distance at TCA is estimated to be 310.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-10-12 01:32:13z

CDM ID: 1184707077

Miss distance: 310.0 (m)

Collision probability: 0.0002917198 (~0.029%)

Objects comparison

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

DELTA 2 R/B(1) Name CZ-4B DEB
25135 Norad ID 38312
ROCKET BODY Type DEBRIS
LEO Orbit SSO
26.89° Inclination 98.33°
LARGE Size SMALL
US Country PRC
Jan. 10, 1998 Launch date Dec. 22, 2011
Full details

Live tracking

Real-time ground track for DELTA 2 R/B(1) and CZ-4B DEB.


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