SL-16 R/B COSMOS 2251 DEB

0.042% collision chance on 2025-11-21 16:11:28z

CDM information

Conjunction Data Message description

SL-16 R/B is risking orbital collision with COSMOS 2251 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 21, 2025, 4:28 p.m., with a collision probability of 0.042%. The closest distance at TCA is estimated to be 635.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object SL-16 R/B in its detailed page.

Key information

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

TCA: 2025-11-21 16:28:33z

CDM ID: 1234896603

Miss distance: 635.0 (m)

Collision probability: 0.0004187 (~0.042%)

Last Updated: 3 weeks, 3 days ago

Objects comparison

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

SL-16 R/B	Name	COSMOS 2251 DEB
25400	Norad ID	34120
ROCKET BODY	Type	DEBRIS
SSO	Orbit	LEO
98.81°	Inclination	73.99°
LARGE	Size	SMALL
CIS	Country	CIS
July 10, 1998	Launch date	June 16, 1993
	Full details

Live tracking

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

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