USA 271, 41745
Orbit data source: Space-Track
USA 271, 41745 is a payload satellite owned by USAF AFSPC (US) in GEO that was launched on Fri, 19 Aug 2016 UTC via a DELTA 4M+(4,2) 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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41745 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
OATK SSG
Mission
Operational Defense Classified
Bus & Motor
GEOSTAR-1, AOCS
Mass
500 kg wet, 500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.5 m
Radar Cross Section
7.621 m²
Expand to show TLE details & historyLast TLE update: 2 weeks ago
TLE from 2 weeks ago
0 USA 271
1 41745U 16052B 26110.88563977 -.00000360 00000-0 00000+0 0 9997
2 41745 4.0240 77.9674 0007317 143.7849 69.2738 1.00241576 27344Epoch: 2026-04-20T21:15Z
TLE epoch observation values (Epoch: 2026-04-20T21:15:19.276Z)
Latitude
-2.18966°
Longitude
123.24217°
Altitude
35,783.962 km
Speed
3.075 km/s
True Right ascension
19h 24m 10s
True Declination
-2° 11' 15"
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
00:31:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,826.987 km
Perigee altitude
35,765.269 km
Semi-major axis
42,174.265 km
Eccentricity
0.00073
Inclination
4.024°
RAAN
77.9674°
Arg. of periapsis
143.7849°
True anomaly
69.35225°
Mean anomaly
69.2738°
Eccentric anomaly
69.31302°
Mean motion
0.25059 °/min
Orbital period
1,436.58 mins
BSTAR
0
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Other satellites on launch #52 in the year 2016 (2016-08-19 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.USA 271 Visibility
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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. |
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| USA 271 is likely not visible in the next few days. |
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41745 neighbors
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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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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