SL-24 R/B COSMOS 252 DEB

0.014% collision chance on 2025-12-13 15:12:17z

CDM information

Conjunction Data Message description

SL-24 R/B is risking orbital collision with COSMOS 252 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 13, 2025, 3:17 p.m., with a collision probability of 0.014%. The closest distance at TCA is estimated to be 286.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object SL-24 R/B in its detailed page.

Key information

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

TCA: 2025-12-13 15:17:39z

CDM ID: 1264296617

Miss distance: 286.0 (m)

Collision probability: 0.0001400671 (~0.014%)

Last Updated: 2 days, 8 hours ago

Objects comparison

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

SL-24 R/B	Name	COSMOS 252 DEB
28367	Norad ID	3900
ROCKET BODY	Type	DEBRIS
SSO	Orbit	LEO
98.19°	Inclination	62.2°
LARGE	Size	SMALL
CIS	Country	CIS
June 29, 2004	Launch date	Nov. 1, 1968
	Full details

Live tracking

Real-time ground track for SL-24 R/B and COSMOS 252 DEB.

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