OV1-4 COSMOS 1249 COOLANT

0.107% collision chance on 2025-09-17 06:09:28z

CDM information

Conjunction Data Message description

OV1-4 is risking orbital collision with COSMOS 1249 COOLANT. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 17, 2025, 6:28 a.m., with a collision probability of 0.107%. The closest distance at TCA is estimated to be 171.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object OV1-4 in its detailed page.

Key information

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

TCA: 2025-09-17 06:28:28z

CDM ID: 1156269216

Miss distance: 171.0 (m)

Collision probability: 0.001071493 (~0.107%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

OV1-4	Name	COSMOS 1249 COOLANT
2121	Norad ID	26506
PAYLOAD	Type	DEBRIS
SSO	Orbit	LEO
144.51°	Inclination	64.96°
MEDIUM	Size	SMALL
US	Country	CIS
March 30, 1966	Launch date	March 5, 1981
	Full details

Live tracking

Real-time ground track for OV1-4 and COSMOS 1249 COOLANT.

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