THORAD DELTA 1 DEB EXPLORER 25 (INJUN-4)

0.076% collision chance on 2025-06-12 17:06:44z

CDM information

Conjunction Data Message description

THORAD DELTA 1 DEB is risking orbital collision with EXPLORER 25 (INJUN-4). The time of closest approach (TCA) between the two objects is calculated to be at June 12, 2025, 5:44 p.m., with a collision probability of 0.076%. The closest distance at TCA is estimated to be 83.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-06-12 17:44:29z

CDM ID: 1052355026

Miss distance: 83.0 (m)

Collision probability: 0.0007621379 (~0.076%)

Objects comparison

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

THORAD DELTA 1 DEB Name EXPLORER 25 (INJUN-4)
8301 Norad ID 932
DEBRIS Type PAYLOAD
SSO Orbit HEO
102.94° Inclination 81.34°
SMALL Size MEDIUM
US Country US
Nov. 15, 1974 Launch date Nov. 21, 1964
Full details

Live tracking

Real-time ground track for THORAD DELTA 1 DEB and EXPLORER 25 (INJUN-4).


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