NAVSTAR

NORAD 27663 · COSPAR 2003-005A · ACTIVE

Orbit: #17395 @ 19778 x 20588 km x 54.8582 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-27 01:13 UTC Â· 30.2 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

NAVSTAR 51 (USA 166)
1 27663U 03005A 26300.05131156 .00000034 00000-0 00000-0 0 09992
2 27663 54.8582 209.7354 0152465 54.1804 175.4256 2.00553376173959

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

January 29th 2003

Spacecraft age

23 years, 8 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

54.8582Â°

Period

718.01 min

Perigee

19778 km

Apogee

20588 km

Eccentricity

0.0152465

RAAN

209.7354Â°

Arg of Perigee

54.1804Â°

Mean Motion

2.00553376 rev/d