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

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

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with DELTA 1 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.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-4B R/B in its detailed page.

Key information

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

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

CDM ID: 924103859

Miss distance: 471.0 (m)

Collision probability: 0.0001955353 (~0.020%)

Last Updated: 9 months ago

Objects comparison

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

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

Live tracking

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

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