EXPLORER 25 (INJUN-4) FENGYUN 1C DEB

0.012% collision chance on 2025-08-27 17:08:31z

CDM information

Conjunction Data Message description

EXPLORER 25 (INJUN-4) is risking orbital collision with FENGYUN 1C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 27, 2025, 5:31 p.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 236.0 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: 2025-08-27 17:31:46z

CDM ID: 1130331856

Miss distance: 236.0 (m)

Collision probability: 0.0001167456 (~0.012%)

Last Updated: 1 week, 2 days ago

Objects comparison

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

EXPLORER 25 (INJUN-4)	Name	FENGYUN 1C DEB
932	Norad ID	29738
PAYLOAD	Type	DEBRIS
HEO	Orbit	MEO
81.34°	Inclination	99.42°
MEDIUM	Size	SMALL
US	Country	PRC
Nov. 21, 1964	Launch date	May 10, 1999
	Full details

Live tracking

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

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