NAVSTAR

NORAD 28474 · COSPAR 2004-045A · ACTIVE

Orbit: #16095 @ 19721 x 20644 km x 55.0546 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-21 09:48 UTC Â· 96.5 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 26294.40848030 -.00000039 00000-0 00000-0 0 09991
2 28474 55.0546 319.8012 0173792 319.7704 13.8758 2.00561394160959

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

November 6th 2004

Spacecraft age

21 years, 11 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

55.0546Â°

Period

717.98 min

Perigee

19721 km

Apogee

20644 km

Eccentricity

0.0173792

RAAN

319.8012Â°

Arg of Perigee

319.7704Â°

Mean Motion

2.00561394 rev/d