IRIDIUM 17 NOAA 17 DEB

0.011% collision chance on 2024-09-28 04:09:10z

CDM information

Conjunction Data Message description

IRIDIUM 17 is risking orbital collision with NOAA 17 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 28, 2024, 4:10 a.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 954.0 meters.

Key information

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

CDM image for a payload

TCA: 2024-09-28 04:10:32z

CDM ID: 825582895

Miss distance: 954.0 (m)

Collision probability: 0.0001097544 (~0.011%)

Objects comparison

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

IRIDIUM 17 Name NOAA 17 DEB
24870 Norad ID 48179
PAYLOAD Type DEBRIS
LEO Orbit SSO
86.4° Inclination 98.87°
LARGE Size SMALL
US Country US
July 9, 1997 Launch date June 24, 2002
Full details

Live tracking

Real-time ground track for IRIDIUM 17 and NOAA 17 DEB.


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