TIROS 4 FENGYUN 1C DEB

0.037% collision chance on 2025-07-06 09:07:18z

CDM information

Conjunction Data Message description

TIROS 4 is risking orbital collision with FENGYUN 1C DEB. The time of closest approach (TCA) between the two objects is calculated to be at July 6, 2025, 9:18 a.m., with a collision probability of 0.037%. The closest distance at TCA is estimated to be 530.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object TIROS 4 in its detailed page.

Key information

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

TCA: 2025-07-06 09:18:38z

CDM ID: 1073960643

Miss distance: 530.0 (m)

Collision probability: 0.0003651702 (~0.037%)

Last Updated: 3 days, 2 hours ago

Objects comparison

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

TIROS 4	Name	FENGYUN 1C DEB
226	Norad ID	30078
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
48.3°	Inclination	98.84°
MEDIUM	Size	MEDIUM
US	Country	PRC
Feb. 8, 1962	Launch date	May 10, 1999
	Full details

Live tracking

Real-time ground track for TIROS 4 and FENGYUN 1C DEB.

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