NAVSTAR

NORAD 28129 · COSPAR 2003-058A · ACTIVE

Orbit: #16682 @ 20898 x 20906 km x 55.0913 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-17 12:41 UTC Â· 44.4 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

NAVSTAR 53 (USA 175)
1 28129U 03058A 26290.52898889 -.00000095 00000-0 00000-0 0 09999
2 28129 55.0913 18.7488 0001297 276.6977 83.3209 1.92678509166821

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

December 21st 2003

Spacecraft age

22 years, 9 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 W

Orbit elements

// from current orbital elements

Inclination

55.0913Â°

Period

747.36 min

Perigee

20898 km

Apogee

20906 km

Eccentricity

0.0001297

RAAN

18.7488Â°

Arg of Perigee

276.6977Â°

Mean Motion

1.92678509 rev/d