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, Unknown HBR
Radar Cross Section
13.960 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 NAVSTAR 76 (USA 266)
1 41328U 16007A 25257.14805655 .00000004 00000-0 00000-0 0 9991
2 41328 55.3500 100.4125 0088572 242.5266 116.6397 2.00565326 70300Epoch: 2025-09-14T03:33Z
TLE epoch observation values (Epoch: 2025-09-14T03:33:12.085Z)
Latitude
-0°
Longitude
53.74695°
Altitude
20,289.202 km
Speed
3.858 km/s
True Right ascension
06h 41m 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
21:55:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
20,417.299 km
Perigee altitude
19,946.801 km
Semi-major axis
26,560.187 km
Eccentricity
0.00886
Inclination
55.35°
RAAN
100.4125°
Arg. of periapsis
242.5266°
True anomaly
117.5424°
Mean anomaly
116.6397°
Eccentric anomaly
117.0915°
Mean motion
0.50141 °/min
Orbital period
717.97 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
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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. |
|---|---|---|---|---|---|---|---|
| 393 mins | 2025-09-15 14:32:05.983Z | 204.135° SW | 2025-09-15 17:26:05.983Z | 313.057° NW | 44.579° | 2025-09-15 21:05:05.983Z | 97.007° ESE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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