DELTA 1 R/B CZ-4B R/B

0.020% collision chance on 2025-01-25 14:01:51z

CDM information

Conjunction Data Message description

DELTA 1 R/B is risking orbital collision with CZ-4B R/B. The time of closest approach (TCA) between the two objects is calculated to be at Jan. 25, 2025, 2:51 p.m., with a collision probability of 0.020%. The closest distance at TCA is estimated to be 471.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-01-25 14:51:09z

CDM ID: 924089997

Miss distance: 471.0 (m)

Collision probability: 0.0001955353 (~0.020%)

Objects comparison

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

DELTA 1 R/B Name CZ-4B R/B
6127 Norad ID 29507
ROCKET BODY Type ROCKET BODY
SSO Orbit SSO
98.49° Inclination 97.58°
LARGE Size LARGE
US Country PRC
July 23, 1972 Launch date Oct. 23, 2006
Full details

Live tracking

Real-time ground track for DELTA 1 R/B and CZ-4B R/B.


Newsletter sign-up

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