FENGYUN 1C DEB THOR ALTAIR DEB

0.015% collision chance on 2025-10-17 17:10:45z

CDM information

Conjunction Data Message description

FENGYUN 1C DEB is risking orbital collision with THOR ALTAIR DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 17, 2025, 5:45 p.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 333.0 meters.

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

Key information

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

TCA: 2025-10-17 17:45:57z

CDM ID: 1194254993

Miss distance: 333.0 (m)

Collision probability: 0.0001502431 (~0.015%)

Last Updated: 1 month, 3 weeks ago

Objects comparison

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

FENGYUN 1C DEB	Name	THOR ALTAIR DEB
30674	Norad ID	2177
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
98.94°	Inclination	98.96°
SMALL	Size	SMALL
PRC	Country	US
May 10, 1999	Launch date	March 31, 1966
	Full details

Live tracking

Real-time ground track for FENGYUN 1C DEB and THOR ALTAIR DEB.

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