COSMOS 1858 THORAD DELTA 1 DEB

0.110% collision chance on 2025-12-01 10:12:32z

CDM information

Conjunction Data Message description

COSMOS 1858 is risking orbital collision with THORAD DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 1, 2025, 10:32 a.m., with a collision probability of 0.110%. The closest distance at TCA is estimated to be 80.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1858 in its detailed page.

Key information

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

TCA: 2025-12-01 10:32:26z

CDM ID: 1248890245

Miss distance: 80.0 (m)

Collision probability: 0.0011014 (~0.110%)

Last Updated: 1 week, 6 days ago

Objects comparison

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

COSMOS 1858	Name	THORAD DELTA 1 DEB
18119	Norad ID	8303
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
74.0°	Inclination	101.29°
MEDIUM	Size	SMALL
CIS	Country	US
June 16, 1987	Launch date	Nov. 15, 1974
	Full details

Live tracking

Real-time ground track for COSMOS 1858 and THORAD DELTA 1 DEB.

Return to all CDMs

Newsletter sign-up

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