ITOS 1 (TIROS M) CZ-4 DEB

0.051% collision chance on 2025-08-06 07:08:36z

CDM information

Conjunction Data Message description

ITOS 1 (TIROS M) is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 6, 2025, 7:36 a.m., with a collision probability of 0.051%. The closest distance at TCA is estimated to be 430.0 meters.

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

Key information

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

TCA: 2025-08-06 07:36:37z

CDM ID: 1106646861

Miss distance: 430.0 (m)

Collision probability: 0.000514751 (~0.051%)

Last Updated: 2 months, 4 weeks ago

Objects comparison

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

ITOS 1 (TIROS M)	Name	CZ-4 DEB
4320	Norad ID	26122
PAYLOAD	Type	DEBRIS
SSO	Orbit	SSO
101.41°	Inclination	98.92°
LARGE	Size	SMALL
US	Country	PRC
Jan. 23, 1970	Launch date	Oct. 14, 1999
	Full details

Live tracking

Real-time ground track for ITOS 1 (TIROS M) and CZ-4 DEB.

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