Latitude
—
USA
NORAD 28158 · COSPAR 2004-004A · ACTIVE
Orbit: #3410 @ 36128 x 36164 km x 12.217 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-11 13:16 UTC · 36.6 h old
Orbit history
// altitude & velocity from orbital-data archiveTrend: —
Altitude —
Velocity —
Next visible passes
// click to checkCurrent TLE
// onowactive
USA 176 (DSP 22)
1 28158U 04004A 26284.55310813 -.00000188 00000-0 00000-0 0 09998
2 28158 12.2170 25.1955 0004223 287.5871 85.0275 0.99003817034107
TLE data & history
🚀 Launch manifest1 28158U 04004A 26284.55310813 -.00000188 00000-0 00000-0 0 09998
2 28158 12.2170 25.1955 0004223 287.5871 85.0275 0.99003817034107
Spacecraft info
// UCS Satellite DatabaseLaunch date
February 14th 2004
Spacecraft age
22 years, 7 months
Distance travelled
—
Expected lifetime
—
Operator
US Air Force
Purpose
Earth Observation
Orbit class
GEO
Launch site
Cape Canaveral
Launch vehicle
Titan 4B
Contractor
TRW and Aerojet Electronics Systems
Launch mass
2,380 kg
Power
1,485.00 W
Orbit elements
// from current orbital elementsInclination
12.217°
Period
1454.49 min
Perigee
36128 km
Apogee
36164 km
Eccentricity
0.0004223
RAAN
25.1955°
Arg of Perigee
287.5871°
Mean Motion
0.99003817 rev/d