CZ-6A DEB OV1-21 R/B

0.012% collision chance on 2025-12-11 04:12:13z

CDM information

Conjunction Data Message description

CZ-6A DEB is risking orbital collision with OV1-21 R/B. 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 0.012%. The closest distance at TCA is estimated to be 255.0 meters.

Key information

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

CDM image for a debris

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

CDM ID: 1258536858

Miss distance: 255.0 (m)

Collision probability: 0.0001166965 (~0.012%)

Objects comparison

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

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

Live tracking

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


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