OV1-21 R/B CZ-6A DEB

0.021% collision chance on 2025-12-11 04:12:13z

CDM information

Conjunction Data Message description

OV1-21 R/B is risking orbital collision with CZ-6A DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 11, 2025, 4:13 a.m., with a collision probability of 0.021%. The closest distance at TCA is estimated to be 239.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-12-11 04:13:52z

CDM ID: 1258459064

Miss distance: 239.0 (m)

Collision probability: 0.0002067232 (~0.021%)

Objects comparison

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

OV1-21 R/B Name CZ-6A DEB
5397 Norad ID 56610
ROCKET BODY Type DEBRIS
LEO Orbit SSO
87.63° Inclination 98.83°
LARGE Size SMALL
US Country PRC
Aug. 7, 1971 Launch date Nov. 11, 2022
Full details

Live tracking

Real-time ground track for OV1-21 R/B and CZ-6A DEB.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.