TIROS 1 CZ-4C DEB

0.015% collision chance on 2025-11-28 12:11:54z

CDM information

Conjunction Data Message description

TIROS 1 is risking orbital collision with CZ-4C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 28, 2025, 12:54 p.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 653.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object TIROS 1 in its detailed page.

Key information

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

TCA: 2025-11-28 12:54:56z

CDM ID: 1244548908

Miss distance: 653.0 (m)

Collision probability: 0.0001491879 (~0.015%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

TIROS 1	Name	CZ-4C DEB
29	Norad ID	43601
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
48.38°	Inclination	98.32°
MEDIUM	Size	SMALL
US	Country	PRC
April 1, 1960	Launch date	Aug. 9, 2016
	Full details

Live tracking

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

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