INMARSAT 2-F4 SL-12 R/B(2)

Collision chance on 2025-09-08 13:09:30z

CDM information

Conjunction Data Message description

INMARSAT 2-F4 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 Sept. 8, 2025, 1:30 p.m., with a collision probability TBA. The closest distance at TCA is estimated to be 1336.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object INMARSAT 2-F4 in its detailed page.

Key information

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

TCA: 2025-09-08 13:30:05z

CDM ID: 1143006968

Miss distance: 1336.0 (m)

Collision probability: TBA

Last Updated: 11 hours ago

Objects comparison

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

INMARSAT 2-F4	Name	SL-12 R/B(2)
21940	Norad ID	22044
PAYLOAD	Type	ROCKET BODY
OTHER	Orbit	OTHER
11.89°	Inclination	14.77°
LARGE	Size	LARGE
IM	Country	CIS
April 15, 1992	Launch date	July 14, 1992
	Full details

Live tracking

Real-time ground track for INMARSAT 2-F4 and SL-12 R/B(2).

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