Latitude
—
TACSAT
NORAD 37818 · COSPAR 2011-052A · ACTIVE
Orbit: #33208 @ 373 x 12016 km x 62.8535 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-13 15:15 UTC · 13.2 h old
Orbit history
// altitude & velocity from orbital-data archiveTrend: —
Altitude —
Velocity —
Next visible passes
// click to checkCurrent TLE
// onowactive
TACSAT 4
1 37818U 11052A 26286.63590044 .00002691 00000-0 99588-3 0 09991
2 37818 62.8535 38.6131 4630432 287.4324 28.3267 6.15842230332087
TLE data & history
🚀 Launch manifest1 37818U 11052A 26286.63590044 .00002691 00000-0 99588-3 0 09991
2 37818 62.8535 38.6131 4630432 287.4324 28.3267 6.15842230332087
Spacecraft info
// UCS Satellite DatabaseLaunch date
September 27th 2011
Spacecraft age
15 years
Distance travelled
—
Expected lifetime
—
Operator
Naval Research Laboratory
Purpose
Technology Development
Orbit class
Elliptical · Molniya
Launch site
Kodiak Launch Complex
Launch vehicle
Minotaur 4
Contractor
Naval Research Laboratory/Johns Hopkins University Applied Physics Laboratory
Launch mass
450 kg
Power
1,000.00 W
Orbit elements
// from current orbital elementsInclination
62.8535°
Period
233.83 min
Perigee
373 km
Apogee
12016 km
Eccentricity
0.4630432
RAAN
38.6131°
Arg of Perigee
287.4324°
Mean Motion
6.1584223 rev/d