NAVSTAR 76 (USA 266), 41328
Orbit data source: Space-Track
NAVSTAR 76 (USA 266), 41328 is a payload satellite owned by USAF SMC (US) in MEO that was launched on Fri, 05 Feb 2016 UTC via an ATLAS V 401 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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41328 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Boeing/ES
Mission
Operational Defense Navigation
Bus & Motor
GPS IIF, AOCS
Mass
1,630 kg wet, ~1,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 9.0 m
Radar Cross Section
13.960 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 NAVSTAR 76 (USA 266)
1 41328U 16007A 26037.23600851 -.00000029 00000-0 00000-0 0 9997
2 41328 55.4381 94.6522 0094642 245.2275 113.8501 2.00558025 73215Epoch: 2026-02-06T05:39Z
TLE epoch observation values (Epoch: 2026-02-06T05:39:51.135Z)
Latitude
-0.00001°
Longitude
-126.67005°
Altitude
20,286.629 km
Speed
3.859 km/s
True Right ascension
06h 18m 40s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:00:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
20,434.068 km
Perigee altitude
19,931.314 km
Semi-major axis
26,560.828 km
Eccentricity
0.00946
Inclination
55.4381°
RAAN
94.6522°
Arg. of periapsis
245.2275°
True anomaly
114.83723°
Mean anomaly
113.8501°
Eccentric anomaly
114.34414°
Mean motion
0.5014 °/min
Orbital period
718 mins
BSTAR
0
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Other satellites on launch #7 in the year 2016 (2016-02-05 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.NAVSTAR 76 (USA 266) Visibility forecast
Loading observer location...
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 395 mins | 2026-02-07 04:40:58.567Z | 204.511° SW | 2026-02-07 07:34:58.567Z | 311.979° NW | 44.54° | 2026-02-07 11:15:58.567Z | 97.909° ESE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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