COSMOS 1867 COOLANT ARIANE 1 DEB

0.015% collision chance on 2025-08-09 00:08:36z

CDM information

Conjunction Data Message description

COSMOS 1867 COOLANT is risking orbital collision with ARIANE 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 9, 2025, 12:36 a.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 269.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1867 COOLANT in its detailed page.

Key information

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

TCA: 2025-08-09 00:36:08z

CDM ID: 1109716096

Miss distance: 269.0 (m)

Collision probability: 0.0001510316 (~0.015%)

Last Updated: 3 weeks, 1 day ago

Objects comparison

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

COSMOS 1867 COOLANT	Name	ARIANE 1 DEB
39658	Norad ID	17129
DEBRIS	Type	DEBRIS
LEO	Orbit	SSO
65.01°	Inclination	98.32°
SMALL	Size	LARGE
CIS	Country	FR
July 10, 1987	Launch date	Feb. 22, 1986
	Full details

Live tracking

Real-time ground track for COSMOS 1867 COOLANT and ARIANE 1 DEB.

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