ARIANE 1 DEB COSMOS 1867 COOLANT

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

CDM information

Conjunction Data Message description

ARIANE 1 DEB is risking orbital collision with COSMOS 1867 COOLANT. 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 ARIANE 1 DEB 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: 1109682499

Miss distance: 269.0 (m)

Collision probability: 0.0001510316 (~0.015%)

Last Updated: 3 weeks, 5 days ago

Objects comparison

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

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

Live tracking

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

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