COSMOS 1867 SAPPHIRE

0.389% collision chance on 2025-12-10 02:12:58z

CDM information

Conjunction Data Message description

COSMOS 1867 is risking orbital collision with SAPPHIRE. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 10, 2025, 2:58 a.m., with a collision probability of 0.389%. The closest distance at TCA is estimated to be 48.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1867 in its detailed page.

Key information

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

TCA: 2025-12-10 02:58:07z

CDM ID: 1258464934

Miss distance: 48.0 (m)

Collision probability: 0.003885503 (~0.389%)

Last Updated: 4 days, 22 hours ago

Objects comparison

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

COSMOS 1867	Name	SAPPHIRE
18187	Norad ID	26932
PAYLOAD	Type	PAYLOAD
LEO	Orbit	LEO
65.01°	Inclination	67.06°
LARGE	Size	MEDIUM
CIS	Country	US
July 10, 1987	Launch date	Sept. 30, 2001
	Full details

Live tracking

Real-time ground track for COSMOS 1867 and SAPPHIRE.

Return to all CDMs

Newsletter sign-up

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