NAVSTAR

NORAD 28190 · COSPAR 2004-009A · ACTIVE

Orbit: #16559 @ 19866 x 20497 km x 54.7292 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-27 06:17 UTC Â· 18.8 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

NAVSTAR 54 (USA 177)
1 28190U 04009A 26300.26232999 -.00000007 00000-0 00000-0 0 09994
2 28190 54.7292 270.3385 0118700 177.6085 0.5130 2.00571906165595

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

March 20th 2004

Spacecraft age

22 years, 7 months

Distance travelled

—

Expected lifetime

—

Operator

DoD/US Air Force

Purpose

Navigation/Global Positioning

Orbit class

MEO Â· Non-Polar Inclined

Launch site

Cape Canaveral

Launch vehicle

Delta 2

Contractor

Lockheed Martin

Launch mass

2,217 kg

Power

1,136.00 W

Orbit elements

// from current orbital elements

Inclination

54.7292Â°

Period

717.95 min

Perigee

19866 km

Apogee

20497 km

Eccentricity

0.01187

RAAN

270.3385Â°

Arg of Perigee

177.6085Â°

Mean Motion

2.00571906 rev/d