NAVSTAR

NORAD 43873 · COSPAR 2018-109A · ACTIVE

Orbit: #5739 @ 20074 x 20290 km x 55.7619 deg

CURRENT ORBIT DATA

TLE epoch 2026-10-10 16:49 UTC Â· 30.7 h old

Orbit history

// altitude & velocity from orbital-data archive

Trend: —

Altitude —

Velocity —

Next visible passes

// click to check

Current TLE

// onowactive

NAVSTAR 77 (USA 289)
1 43873U 18109A 26283.70086325 .00000006 00000-0 00000-0 0 09992
2 43873 55.7619 87.6307 0040768 196.3944 174.1844 2.00565992057393

TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database

Launch date

December 23rd 2018

Spacecraft age

7 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

Falcon 9

Contractor

Lockheed Martin Missiles & Space

Launch mass

2,300 kg

Power

Orbit elements

// from current orbital elements

Inclination

55.7619Â°

Period

717.97 min

Perigee

20074 km

Apogee

20290 km

Eccentricity

0.0040768

RAAN

87.6307Â°

Arg of Perigee

196.3944Â°

Mean Motion

2.00565992 rev/d