COSMOS 397 DEB ESSA 4 (TOS-B)

0.023% collision chance on 2025-02-02 22:02:45z

CDM information

Conjunction Data Message description

COSMOS 397 DEB is risking orbital collision with ESSA 4 (TOS-B). The time of closest approach (TCA) between the two objects is calculated to be at Feb. 2, 2025, 10:45 p.m., with a collision probability of 0.023%. The closest distance at TCA is estimated to be 220.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 397 DEB in its detailed page.

Key information

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

TCA: 2025-02-02 22:45:04z

CDM ID: 932399689

Miss distance: 220.0 (m)

Collision probability: 0.0002277459 (~0.023%)

Last Updated: 3 months ago

Objects comparison

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

COSMOS 397 DEB	Name	ESSA 4 (TOS-B)
5187	Norad ID	2657
DEBRIS	Type	PAYLOAD
LEO	Orbit	SSO
65.65°	Inclination	102.08°
SMALL	Size	MEDIUM
CIS	Country	US
Feb. 25, 1971	Launch date	Jan. 26, 1967
	Full details

Live tracking

Real-time ground track for COSMOS 397 DEB and ESSA 4 (TOS-B).

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