IRIS R/B CZ-4 DEB

0.013% collision chance on 2025-03-12 12:03:16z

CDM information

Conjunction Data Message description

IRIS R/B is risking orbital collision with CZ-4 DEB. The time of closest approach (TCA) between the two objects is calculated to be at March 12, 2025, 12:16 p.m., with a collision probability of 0.013%. The closest distance at TCA is estimated to be 884.0 meters.

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

Key information

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

TCA: 2025-03-12 12:16:00z

CDM ID: 965037612

Miss distance: 884.0 (m)

Collision probability: 0.0001302579 (~0.013%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

IRIS R/B	Name	CZ-4 DEB
22196	Norad ID	27536
ROCKET BODY	Type	DEBRIS
LEO	Orbit	SSO
41.11°	Inclination	98.5°
LARGE	Size	SMALL
IT	Country	PRC
Oct. 22, 1992	Launch date	Oct. 14, 1999
	Full details

Live tracking

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

Return to all CDMs

Newsletter sign-up

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