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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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: 17 hours ago
TLE from 17 hours ago
0 NAVSTAR 76 (USA 266)
1 41328U 16007A 26295.99991424 .00000044 00000-0 00000-0 0 9991
2 41328 55.6140 84.3948 0099080 247.4489 111.5094 2.00570589 78407Epoch: 2026-10-22T23:59Z
TLE epoch observation values (Epoch: 2026-10-22T23:59:52.590Z)
Latitude
-0.00006°
Longitude
52.9789°
Altitude
20,280.294 km
Speed
3.86 km/s
True Right ascension
05h 37m 29s
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
12:25:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
20,444.728 km
Perigee altitude
19,918.421 km
Semi-major axis
26,559.712 km
Eccentricity
0.00991
Inclination
55.614°
RAAN
84.3948°
Arg. of periapsis
247.4489°
True anomaly
112.56087°
Mean anomaly
111.5094°
Eccentric anomaly
112.03562°
Mean motion
0.50143 °/min
Orbital period
717.95 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. |
|---|---|---|---|---|---|---|---|
| 22 mins | 2026-10-23 17:17:44.153Z | 91.413° ESE | 2026-10-23 17:17:44.153Z | 91.413° ESE | 16.859° | 2026-10-23 17:39:44.153Z | 98.611° ESE |
| 378 mins | 2026-10-24 10:59:44.153Z | 204.827° SW | 2026-10-24 13:52:44.153Z | 311.116° NW | 79.335° | 2026-10-24 17:17:44.153Z | 92.79° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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