No recent orbit · United States

USA 340

NO RECENT ORBIT

USA 340 (NORAD 55138) is a satellite with no recent public orbit. What is published: its last listed orbit and who operates it.

Orbit

No recent orbit

Last listed: 35,204 to 36,567 km up · tilted 4.5° · 1,441.2 min a lap

Its last public orbit dates from 12 Jun 2025 (CelesTrak, 14 Oct 2026). The reason is not published. It returns to the globe when a new orbit is published.

Catalogue

Country
United States
From GCAT (14 Oct 2026)
NORAD ID
55138

Who operates it

MilitaryUnited StatesActive
Technology test

Independent assessment

GCAT classes it as a military satellite for technology testing, lists its owner as US Space Force Space Systems Command and records it as active (14 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 14 Oct 2026.

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