COSMOS 623 SL-6 R/B(2)

0.404% collision chance on 2025-12-17 04:12:27z

CDM information

Conjunction Data Message description

COSMOS 623 is risking orbital collision with SL-6 R/B(2). The time of closest approach (TCA) between the two objects is calculated to be at Dec. 17, 2025, 4:27 a.m., with a collision probability of 0.404%. The closest distance at TCA is estimated to be 137.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 623 in its detailed page.

Key information

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

TCA: 2025-12-17 04:27:35z

CDM ID: 1268459552

Miss distance: 137.0 (m)

Collision probability: 0.004042352 (~0.404%)

Last Updated: 3 days, 8 hours ago

Objects comparison

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

COSMOS 623	Name	SL-6 R/B(2)
6991	Norad ID	19799
PAYLOAD	Type	ROCKET BODY
LEO	Orbit	HEO
74.03°	Inclination	63.17°
MEDIUM	Size	LARGE
CIS	Country	CIS
Dec. 19, 1973	Launch date	Feb. 14, 1989
	Full details

Live tracking

Real-time ground track for COSMOS 623 and SL-6 R/B(2).

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