DMSP 5D-2 F11 DEB IRIDIUM 42

0.015% collision chance on 2024-06-20 21:06:44z

CDM information

Conjunction Data Message description

DMSP 5D-2 F11 DEB is risking orbital collision with IRIDIUM 42. The time of closest approach (TCA) between the two objects is calculated to be at June 20, 2024, 9:44 p.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 665.0 meters.

Key information

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

CDM image for a debris

TCA: 2024-06-20 21:44:46z

CDM ID: 749739063

Miss distance: 665.0 (m)

Collision probability: 0.00015094 (~0.015%)

Objects comparison

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

DMSP 5D-2 F11 DEB Name IRIDIUM 42
28330 Norad ID 25077
DEBRIS Type PAYLOAD
SSO Orbit LEO
98.95° Inclination 86.39°
SMALL Size LARGE
US Country US
Nov. 28, 1991 Launch date Dec. 8, 1997
Full details

Live tracking

Real-time ground track for DMSP 5D-2 F11 DEB and IRIDIUM 42.


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