OAO 3 (COPERNICUS) SL-8 DEB *

0.022% collision chance on 2025-02-26 17:02:02z

CDM information

Conjunction Data Message description

OAO 3 (COPERNICUS) is risking orbital collision with SL-8 DEB *. The time of closest approach (TCA) between the two objects is calculated to be at Feb. 26, 2025, 5:02 p.m., with a collision probability of 0.022%. The closest distance at TCA is estimated to be 270.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-02-26 17:02:07z

CDM ID: 951245243

Miss distance: 270.0 (m)

Collision probability: 0.0002189362 (~0.022%)

Objects comparison

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

OAO 3 (COPERNICUS) Name SL-8 DEB *
6153 Norad ID 18500
PAYLOAD Type DEBRIS
LEO Orbit LEO
35.01° Inclination 74.04°
LARGE Size SMALL
US Country CIS
Aug. 21, 1972 Launch date Nov. 28, 1975
Full details

Live tracking

Real-time ground track for OAO 3 (COPERNICUS) and SL-8 DEB *.


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