No public orbit · United States

USA 227

ENDED

USA 227 (NORAD 37377) is a satellite whose orbit is not public. What is published: its catalogue entry, its UN registration and who operates it.

Orbit

Mission ended

As of 14 Oct 2026, GCAT records its mission as ended in about 2021. Its orbit is not published, so azmth draws nothing for it.

Catalogue status: CelesTrak, 14 Oct 2026

Catalogue

Country: United States; From GCAT (14 Oct 2026)
Launched: 11 Mar 2011
COSPAR ID: 2011-011A
NORAD ID: 37377

The United States registered the orbit it was launched into: about 269 to 37,496 km up, tilted 26.5°, 665.9 min a lap (ST/SG/SER.E/625, 20 Sep 2011). Where it works now is not published. The United States gives its function as “Spacecraft engaged in practical applications and uses of space technology such as weather or communications”.

Who operates it

MilitaryUnited StatesMission ended about 2021

Communications

Independent assessment

GCAT classes it as a military satellite for communications, lists its owner as National Reconnaissance Office and records its mission as ended in about 2021 (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.

Why some orbits are not public →

Military satellites, counted and explained →

CelesTrak record