CZ-2D R/B GP-B

1.994% collision chance on 2025-10-09 11:10:51z

CDM information

Conjunction Data Message description

CZ-2D R/B is risking orbital collision with GP-B. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 9, 2025, 11:51 a.m., with a collision probability of 1.994%. The closest distance at TCA is estimated to be 89.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object CZ-2D R/B in its detailed page.

Key information

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

TCA: 2025-10-09 11:51:54z

CDM ID: 1182173283

Miss distance: 89.0 (m)

Collision probability: 0.01994035 (~1.994%)

Last Updated: 2 months, 1 week ago

Objects comparison

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

CZ-2D R/B	Name	GP-B
39154	Norad ID	28230
ROCKET BODY	Type	PAYLOAD
SSO	Orbit	LEO
98.41°	Inclination	89.84°
LARGE	Size	LARGE
PRC	Country	US
April 26, 2013	Launch date	April 20, 2004
	Full details

Live tracking

Real-time ground track for CZ-2D R/B and GP-B.

Return to all CDMs

Newsletter sign-up

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