IRIDIUM 33 DEB CZ-2D DEB

0.015% collision chance on 2024-12-20 11:12:31z

CDM information

Conjunction Data Message description

IRIDIUM 33 DEB is risking orbital collision with CZ-2D DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 20, 2024, 11:31 a.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 497.0 meters.

Key information

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

CDM image for a debris

TCA: 2024-12-20 11:31:42z

CDM ID: 893968751

Miss distance: 497.0 (m)

Collision probability: 0.0001473251 (~0.015%)

Objects comparison

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

IRIDIUM 33 DEB Name CZ-2D DEB
33850 Norad ID 38176
DEBRIS Type DEBRIS
LEO Orbit SSO
86.34° Inclination 98.28°
MEDIUM Size SMALL
US Country PRC
Sept. 14, 1997 Launch date Nov. 20, 2011
Full details

Live tracking

Real-time ground track for IRIDIUM 33 DEB and CZ-2D DEB.


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