COSMOS 1521 (GLONASS) SL-12 R/B(2)

Collision chance on 2025-06-08 09:06:27z

CDM information

Conjunction Data Message description

COSMOS 1521 (GLONASS) is risking orbital collision with SL-12 R/B(2). The time of closest approach (TCA) between the two objects is calculated to be at June 8, 2025, 9:27 a.m., with a collision probability TBA. The closest distance at TCA is estimated to be 2275.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1521 (GLONASS) in its detailed page.

Key information

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

TCA: 2025-06-08 09:27:14z

CDM ID: 1047878327

Miss distance: 2275.0 (m)

Collision probability: TBA

Last Updated: 1 month ago

Objects comparison

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

COSMOS 1521 (GLONASS)	Name	SL-12 R/B(2)
14592	Norad ID	36403
PAYLOAD	Type	ROCKET BODY
MEO	Orbit	MEO
66.45°	Inclination	65.61°
MEDIUM	Size	LARGE
CIS	Country	CIS
Dec. 29, 1983	Launch date	March 1, 2010
	Full details

Live tracking

Real-time ground track for COSMOS 1521 (GLONASS) and SL-12 R/B(2).

Return to all CDMs

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.