Approximate orbit · United States

USA 391

APPROX

USA 391 (NORAD 60174) is a satellite whose full orbit is not public. What is published: its height and tilt, drawn to scale, and who operates it.

Orbit

Approximate orbit, direction and position not public

575 to 579 km up · tilted 70.0° · 96.2 min a lap · as listed on 14 Oct 2026

Its height and tilt are public. Which way its orbit faces, and where it is, are not, so azmth shows no position or pass times.

Why some orbits are not public →

Diagram by azmth: size, shape and tilt to scale, from the catalogue's figures. It shows no place on Earth.

Height and tilt: CelesTrak and Space-Track.org, as listed on 14 Oct 2026

Catalogue

Country: United States; From GCAT (14 Oct 2026)
Launched: 29 Jun 2024
COSPAR ID: 2024-121S
NORAD ID: 60174

The United States' UN registration gives its orbit as about 318 to 320 km up, tilted 70.0°, 90.9 min a lap (ST/SG/SER.E/1216, 11 Oct 2024). 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 StatesActive

Optical imaging

Official description

“This mission is the second launch of the NRO’s proliferated architecture and signifies the persistent pace of deployment that is expected with this program.”

National Reconnaissance Office, 29 Jun 2024

It names no purpose.

Independent assessment

GCAT classes it as a military satellite for optical imaging, lists its owner as National Reconnaissance Office 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.

Military satellites, counted and explained →

CelesTrak record