IRIDIUM 4 COSMOS 1818 COOLANT

0.049% collision chance on 2024-12-19 23:12:41z

CDM information

Conjunction Data Message description

IRIDIUM 4 is risking orbital collision with COSMOS 1818 COOLANT. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 19, 2024, 11:41 p.m., with a collision probability of 0.049%. The closest distance at TCA is estimated to be 922.0 meters.

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

Key information

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

TCA: 2024-12-19 23:41:05z

CDM ID: 894537871

Miss distance: 922.0 (m)

Collision probability: 0.0004949293 (~0.049%)

Last Updated: 6 months, 2 weeks ago

Objects comparison

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

IRIDIUM 4	Name	COSMOS 1818 COOLANT
24796	Norad ID	36935
PAYLOAD	Type	DEBRIS
LEO	Orbit	LEO
86.4°	Inclination	65.01°
LARGE	Size	SMALL
US	Country	CIS
May 5, 1997	Launch date	Feb. 1, 1987
	Full details

Live tracking

Real-time ground track for IRIDIUM 4 and COSMOS 1818 COOLANT.

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