ALOUETTE 1 (S-27) DELTA 1 DEB

0.021% collision chance on 2024-12-20 08:12:10z

CDM information

Conjunction Data Message description

ALOUETTE 1 (S-27) is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 20, 2024, 8:10 a.m., with a collision probability of 0.021%. The closest distance at TCA is estimated to be 117.0 meters.

Key information

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

CDM image for a payload

TCA: 2024-12-20 08:10:32z

CDM ID: 894356080

Miss distance: 117.0 (m)

Collision probability: 0.0002060802 (~0.021%)

Objects comparison

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

ALOUETTE 1 (S-27) Name DELTA 1 DEB
424 Norad ID 27578
PAYLOAD Type DEBRIS
LEO Orbit SSO
80.46° Inclination 99.62°
LARGE Size SMALL
CA Country US
Sept. 29, 1962 Launch date June 12, 1975
Full details

Live tracking

Real-time ground track for ALOUETTE 1 (S-27) and DELTA 1 DEB.


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