DELTA 1 DEB COSMOS 2251 DEB

0.019% collision chance on 2025-12-10 03:12:09z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with COSMOS 2251 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 10, 2025, 3:09 a.m., with a collision probability of 0.019%. The closest distance at TCA is estimated to be 61.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-12-10 03:09:50z

CDM ID: 1259644774

Miss distance: 61.0 (m)

Collision probability: 0.0001856596 (~0.019%)

Objects comparison

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

DELTA 1 DEB Name COSMOS 2251 DEB
7180 Norad ID 46432
DEBRIS Type DEBRIS
SSO Orbit LEO
102.24° Inclination 73.87°
SMALL Size SMALL
US Country CIS
Nov. 6, 1973 Launch date June 16, 1993
Full details

Live tracking

Real-time ground track for DELTA 1 DEB and COSMOS 2251 DEB.


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