COSMOS 1660 DELTA 1 DEB

0.021% collision chance on 2025-11-25 23:11:20z

CDM information

Conjunction Data Message description

COSMOS 1660 is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 25, 2025, 11:20 p.m., with a collision probability of 0.021%. The closest distance at TCA is estimated to be 214.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-11-25 23:20:08z

CDM ID: 1240529623

Miss distance: 214.0 (m)

Collision probability: 0.0002063195 (~0.021%)

Objects comparison

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

COSMOS 1660 Name DELTA 1 DEB
15821 Norad ID 10843
PAYLOAD Type DEBRIS
LEO Orbit SSO
73.63° Inclination 101.69°
LARGE Size SMALL
CIS Country US
June 14, 1985 Launch date July 29, 1976
Full details

Live tracking

Real-time ground track for COSMOS 1660 and DELTA 1 DEB.


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