START 1 NOAA 16 DEB

0.020% collision chance on 2025-03-15 06:03:10z

CDM information

Conjunction Data Message description

START 1 is risking orbital collision with NOAA 16 DEB. The time of closest approach (TCA) between the two objects is calculated to be at March 15, 2025, 6:10 a.m., with a collision probability of 0.020%. The closest distance at TCA is estimated to be 134.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-03-15 06:10:13z

CDM ID: 965964665

Miss distance: 134.0 (m)

Collision probability: 0.0001970093 (~0.020%)

Objects comparison

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

START 1 Name NOAA 16 DEB
22561 Norad ID 42341
PAYLOAD Type DEBRIS
LEO Orbit SSO
75.76° Inclination 98.72°
LARGE Size SMALL
CIS Country US
March 25, 1993 Launch date Sept. 21, 2000
Full details

Live tracking

Real-time ground track for START 1 and NOAA 16 DEB.


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