COSMOS 700 DEB CZ-4 R/B

0.027% collision chance on 2025-08-20 04:08:01z

CDM information

Conjunction Data Message description

COSMOS 700 DEB is risking orbital collision with CZ-4 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 20, 2025, 4:01 a.m., with a collision probability of 0.027%. The closest distance at TCA is estimated to be 564.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 700 DEB in its detailed page.

Key information

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

TCA: 2025-08-20 04:01:27z

CDM ID: 1121876831

Miss distance: 564.0 (m)

Collision probability: 0.0002656672 (~0.027%)

Last Updated: 2 weeks, 6 days ago

Objects comparison

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

COSMOS 700 DEB	Name	CZ-4 R/B
23308	Norad ID	20791
DEBRIS	Type	ROCKET BODY
LEO	Orbit	SSO
82.94°	Inclination	98.99°
SMALL	Size	LARGE
CIS	Country	PRC
Dec. 26, 1974	Launch date	Sept. 3, 1990
	Full details

Live tracking

Real-time ground track for COSMOS 700 DEB and CZ-4 R/B.

Return to all CDMs

Newsletter sign-up

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