TIROS 9 COSMOS 252 DEB *

0.262% collision chance on 2025-09-02 02:09:02z

CDM information

Conjunction Data Message description

TIROS 9 is risking orbital collision with COSMOS 252 DEB *. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 2, 2025, 2:02 a.m., with a collision probability of 0.262%. The closest distance at TCA is estimated to be 87.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object TIROS 9 in its detailed page.

Key information

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

TCA: 2025-09-02 02:02:57z

CDM ID: 1138565716

Miss distance: 87.0 (m)

Collision probability: 0.002620939 (~0.262%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

TIROS 9	Name	COSMOS 252 DEB *
978	Norad ID	3938
PAYLOAD	Type	DEBRIS
MEO	Orbit	MEO
96.4°	Inclination	63.04°
MEDIUM	Size	SMALL
US	Country	CIS
Jan. 22, 1965	Launch date	Nov. 1, 1968
	Full details

Live tracking

Real-time ground track for TIROS 9 and COSMOS 252 DEB *.

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