NAVSTAR

NORAD 28474 · COSPAR 2004-045A · ACTIVE

Orbit: #16142 @ 19718 x 20646 km x 55.0403 deg

CURRENT ORBIT DATA

TLE epoch 2026-11-13 15:16 UTC Â· 30.5 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

NAVSTAR 56 (USA 180)
1 28474U 04045A 26317.63612375 -.00000064 00000-0 00000-0 0 09991
2 28474 55.0403 318.8615 0174729 320.6593 224.3500 2.00562453161421

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

November 6th 2004

Spacecraft age

22 years

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

55.0403Â°

Period

717.98 min

Perigee

19718 km

Apogee

20646 km

Eccentricity

0.0174729

RAAN

318.8615Â°

Arg of Perigee

320.6593Â°

Mean Motion

2.00562453 rev/d