ESSA 1 (OT-3) COSMOS 1818 COOLANT

0.018% collision chance on 2025-04-12 12:04:11z

CDM information

Conjunction Data Message description

ESSA 1 (OT-3) is risking orbital collision with COSMOS 1818 COOLANT. The time of closest approach (TCA) between the two objects is calculated to be at April 12, 2025, 12:11 p.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 765.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object ESSA 1 (OT-3) in its detailed page.

Key information

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

TCA: 2025-04-12 12:11:29z

CDM ID: 991679041

Miss distance: 765.0 (m)

Collision probability: 0.0001819088 (~0.018%)

Last Updated: 4 weeks ago

Objects comparison

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

ESSA 1 (OT-3)	Name	COSMOS 1818 COOLANT
1982	Norad ID	34174
PAYLOAD	Type	DEBRIS
SSO	Orbit	LEO
97.86°	Inclination	65.0°
MEDIUM	Size	SMALL
US	Country	CIS
Feb. 3, 1966	Launch date	Feb. 1, 1987
	Full details

Live tracking

Real-time ground track for ESSA 1 (OT-3) and COSMOS 1818 COOLANT.

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