IRIDIUM 33 DEB DELTA 1 DEB

0.016% collision chance on 2025-12-10 16:12:04z

CDM information

Conjunction Data Message description

IRIDIUM 33 DEB is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 10, 2025, 4:04 p.m., with a collision probability of 0.016%. 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 debris

TCA: 2025-12-10 16:04:49z

CDM ID: 1260627813

Miss distance: 134.0 (m)

Collision probability: 0.0001566431 (~0.016%)

Objects comparison

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

IRIDIUM 33 DEB Name DELTA 1 DEB
46435 Norad ID 13580
DEBRIS Type DEBRIS
LEO Orbit SSO
86.28° Inclination 98.6°
SMALL Size SMALL
US Country US
Sept. 14, 1997 Launch date March 5, 1978
Full details

Live tracking

Real-time ground track for IRIDIUM 33 DEB and DELTA 1 DEB.


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