CZ-4C R/B COSMOS 1677

0.054% collision chance on 2024-07-15 19:07:56z

CDM information

Conjunction Data Message description

CZ-4C R/B is risking orbital collision with COSMOS 1677. The time of closest approach (TCA) between the two objects is calculated to be at July 15, 2024, 7:56 p.m., with a collision probability of 0.054%. The closest distance at TCA is estimated to be 48.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2024-07-15 19:56:05z

CDM ID: 768001809

Miss distance: 48.0 (m)

Collision probability: 0.0005438267 (~0.054%)

Objects comparison

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

CZ-4C R/B Name COSMOS 1677
36123 Norad ID 15986
ROCKET BODY Type PAYLOAD
SSO Orbit LEO
100.52° Inclination 64.68°
LARGE Size LARGE
PRC Country CIS
Dec. 15, 2009 Launch date Aug. 23, 1985
Full details

Live tracking

Real-time ground track for CZ-4C R/B and COSMOS 1677.


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