DMSP 5D-2 F11 DEB ORBCOMM FM 28

0.018% collision chance on 2025-11-17 18:11:34z

CDM information

Conjunction Data Message description

DMSP 5D-2 F11 DEB is risking orbital collision with ORBCOMM FM 28. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 17, 2025, 6:34 p.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 593.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-11-17 18:34:31z

CDM ID: 1232956140

Miss distance: 593.0 (m)

Collision probability: 0.0001794205 (~0.018%)

Objects comparison

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

DMSP 5D-2 F11 DEB Name ORBCOMM FM 28
29077 Norad ID 25482
DEBRIS Type PAYLOAD
SSO Orbit LEO
98.69° Inclination 45.0°
SMALL Size MEDIUM
US Country ORB
Nov. 28, 1991 Launch date Sept. 23, 1998
Full details

Live tracking

Real-time ground track for DMSP 5D-2 F11 DEB and ORBCOMM FM 28.


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