CZ-4B R/B SL-14 R/B

0.053% collision chance on 2025-05-21 18:05:14z

CDM information

Conjunction Data Message description

CZ-4B R/B is risking orbital collision with SL-14 R/B. The time of closest approach (TCA) between the two objects is calculated to be at May 21, 2025, 6:14 p.m., with a collision probability of 0.053%. The closest distance at TCA is estimated to be 568.0 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: 2025-05-21 18:14:21z

CDM ID: 1028927329

Miss distance: 568.0 (m)

Collision probability: 0.0005269076 (~0.053%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

CZ-4B R/B	Name	SL-14 R/B
38039	Norad ID	16987
ROCKET BODY	Type	ROCKET BODY
SSO	Orbit	LEO
98.45°	Inclination	82.52°
LARGE	Size	LARGE
PRC	Country	CIS
Dec. 22, 2011	Launch date	Sept. 30, 1986
	Full details

Live tracking

Real-time ground track for CZ-4B R/B and SL-14 R/B.

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