SL-8 R/B IRIDIUM 33 DEB

0.011% collision chance on 2025-11-23 06:11:55z

CDM information

Conjunction Data Message description

SL-8 R/B is risking orbital collision with IRIDIUM 33 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 23, 2025, 6:55 a.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 267.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-11-23 06:55:14z

CDM ID: 1236829488

Miss distance: 267.0 (m)

Collision probability: 0.0001101361 (~0.011%)

Objects comparison

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

SL-8 R/B Name IRIDIUM 33 DEB
5175 Norad ID 35918
ROCKET BODY Type DEBRIS
LEO Orbit LEO
74.05° Inclination 86.4°
LARGE Size SMALL
CIS Country US
April 23, 1971 Launch date Sept. 14, 1997
Full details

Live tracking

Real-time ground track for SL-8 R/B and IRIDIUM 33 DEB.


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