EXPLORER 25 (INJUN-4) THORAD DELTA 1 DEB

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

CDM information

Conjunction Data Message description

EXPLORER 25 (INJUN-4) is risking orbital collision with THORAD DELTA 1 DEB. 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.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object EXPLORER 25 (INJUN-4) in its detailed page.

Key information

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

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

CDM ID: 1052353080

Miss distance: 83.0 (m)

Collision probability: 0.0007621379 (~0.076%)

Last Updated: 3 weeks, 4 days ago

Objects comparison

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

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

Live tracking

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

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