COSMOS 1818 COOLANT ESSA 1 (OT-3)

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

CDM information

Conjunction Data Message description

COSMOS 1818 COOLANT is risking orbital collision with ESSA 1 (OT-3). 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 COSMOS 1818 COOLANT 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: 991714104

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.

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

Live tracking

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

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