EXPLORER 25 (INJUN-4) DMSP 5D-2 F13 DEB

0.013% collision chance on 2025-11-14 09:11:06z

CDM information

Conjunction Data Message description

EXPLORER 25 (INJUN-4) is risking orbital collision with DMSP 5D-2 F13 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 14, 2025, 9:06 a.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 202.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-11-14 09:06:51z

CDM ID: 1228738269

Miss distance: 202.0 (m)

Collision probability: 0.0001314323 (~0.013%)

Objects comparison

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

EXPLORER 25 (INJUN-4) Name DMSP 5D-2 F13 DEB
932 Norad ID 40441
PAYLOAD Type DEBRIS
HEO Orbit SSO
81.34° Inclination 98.83°
MEDIUM Size SMALL
US Country US
Nov. 21, 1964 Launch date March 24, 1995
Full details

Live tracking

Real-time ground track for EXPLORER 25 (INJUN-4) and DMSP 5D-2 F13 DEB.


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