COSMOS 1275 DEB IRIDIUM 33 DEB

0.029% collision chance on 2025-09-03 22:09:31z

CDM information

Conjunction Data Message description

COSMOS 1275 DEB is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 3, 2025, 10:31 p.m., with a collision probability of 0.029%. The closest distance at TCA is estimated to be 61.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-09-03 22:31:17z

CDM ID: 1140382119

Miss distance: 61.0 (m)

Collision probability: 0.0002909286 (~0.029%)

Objects comparison

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

COSMOS 1275 DEB Name IRIDIUM 33 DEB
13812 Norad ID 46734
DEBRIS Type DEBRIS
LEO Orbit LEO
83.25° Inclination 86.27°
SMALL Size SMALL
CIS Country US
June 4, 1981 Launch date Sept. 14, 1997
Full details

Live tracking

Real-time ground track for COSMOS 1275 DEB and IRIDIUM 33 DEB.


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