DELTA 1 DEB CZ-4B R/B

0.012% collision chance on 2025-10-12 00:10:04z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with CZ-4B R/B. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 12, 2025, 12:04 a.m., with a collision probability of 0.012%. The closest distance at TCA is estimated to be 144.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object DELTA 1 DEB in its detailed page.

Key information

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

TCA: 2025-10-12 00:04:10z

CDM ID: 1184703980

Miss distance: 144.0 (m)

Collision probability: 0.0001244516 (~0.012%)

Last Updated: 1 week, 6 days ago

Objects comparison

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

DELTA 1 DEB	Name	CZ-4B R/B
19311	Norad ID	46470
DEBRIS	Type	ROCKET BODY
SSO	Orbit	LEO
97.65°	Inclination	66.06°
SMALL	Size	LARGE
US	Country	PRC
Jan. 22, 1975	Launch date	Sept. 21, 2020
	Full details

Live tracking

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

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