COSMOS 1275 DEB CZ-4B R/B

0.020% collision chance on 2025-10-11 15:10:16z

CDM information

Conjunction Data Message description

COSMOS 1275 DEB is risking orbital collision with CZ-4B R/B. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 11, 2025, 3:16 p.m., with a collision probability of 0.020%. The closest distance at TCA is estimated to be 271.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-10-11 15:16:08z

CDM ID: 1185420960

Miss distance: 271.0 (m)

Collision probability: 0.0001959366 (~0.020%)

Objects comparison

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

COSMOS 1275 DEB Name CZ-4B R/B
17639 Norad ID 43656
DEBRIS Type ROCKET BODY
LEO Orbit SSO
82.99° Inclination 99.38°
SMALL Size LARGE
CIS Country PRC
June 4, 1981 Launch date Oct. 24, 2018
Full details

Live tracking

Real-time ground track for COSMOS 1275 DEB and CZ-4B R/B.


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