THORAD AGENA D DEB COSMOS 858

0.017% collision chance on 2025-08-13 22:08:01z

CDM information

Conjunction Data Message description

THORAD AGENA D DEB is risking orbital collision with COSMOS 858. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 13, 2025, 10:01 p.m., with a collision probability of 0.017%. The closest distance at TCA is estimated to be 121.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-08-13 22:01:44z

CDM ID: 1116132414

Miss distance: 121.0 (m)

Collision probability: 0.000167622 (~0.017%)

Objects comparison

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

THORAD AGENA D DEB Name COSMOS 858
4754 Norad ID 9443
DEBRIS Type PAYLOAD
SSO Orbit LEO
99.59° Inclination 74.05°
SMALL Size LARGE
US Country CIS
April 8, 1970 Launch date Sept. 29, 1976
Full details

Live tracking

Real-time ground track for THORAD AGENA D DEB and COSMOS 858.


Newsletter sign-up

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