COSMOS 2251 DEB SL-16 R/B

0.019% collision chance on 2025-12-11 21:12:48z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with SL-16 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 11, 2025, 9:48 p.m., with a collision probability of 0.019%. The closest distance at TCA is estimated to be 145.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 2251 DEB in its detailed page.

Key information

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

TCA: 2025-12-11 21:48:05z

CDM ID: 1261480104

Miss distance: 145.0 (m)

Collision probability: 0.0001937413 (~0.019%)

Last Updated: 2 days, 12 hours ago

Objects comparison

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

COSMOS 2251 DEB	Name	SL-16 R/B
35611	Norad ID	23343
DEBRIS	Type	ROCKET BODY
LEO	Orbit	SSO
74.02°	Inclination	97.72°
SMALL	Size	LARGE
CIS	Country	CIS
June 16, 1993	Launch date	Nov. 4, 1994
	Full details

Live tracking

Real-time ground track for COSMOS 2251 DEB and SL-16 R/B.

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