SL-12 R/B(2) FENGYUN 1C DEB

0.023% collision chance on 2025-10-21 23:10:28z

CDM information

Conjunction Data Message description

SL-12 R/B(2) is risking orbital collision with FENGYUN 1C DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 21, 2025, 11:28 p.m., with a collision probability of 0.023%. The closest distance at TCA is estimated to be 453.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object SL-12 R/B(2) in its detailed page.

Key information

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

TCA: 2025-10-21 23:28:41z

CDM ID: 1198231296

Miss distance: 453.0 (m)

Collision probability: 0.0002321315 (~0.023%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

SL-12 R/B(2)	Name	FENGYUN 1C DEB
15772	Norad ID	35155
ROCKET BODY	Type	DEBRIS
LEO	Orbit	SSO
71.11°	Inclination	98.5°
LARGE	Size	SMALL
CIS	Country	PRC
May 30, 1985	Launch date	May 10, 1999
	Full details

Live tracking

Real-time ground track for SL-12 R/B(2) and FENGYUN 1C DEB.

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