COSMOS 990 IRIDIUM 33 DEB

0.011% collision chance on 2025-04-10 22:04:51z

CDM information

Conjunction Data Message description

COSMOS 990 is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at April 10, 2025, 10:51 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 152.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-04-10 22:51:34z

CDM ID: 991137729

Miss distance: 152.0 (m)

Collision probability: 0.0001060139 (~0.011%)

Objects comparison

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

COSMOS 990 Name IRIDIUM 33 DEB
10676 Norad ID 33853
PAYLOAD Type DEBRIS
LEO Orbit LEO
74.04° Inclination 86.0°
LARGE Size SMALL
CIS Country US
Feb. 17, 1978 Launch date Sept. 14, 1997
Full details

Live tracking

Real-time ground track for COSMOS 990 and IRIDIUM 33 DEB.


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