FLTSATCOM 7 (USA 20), 17181
Orbit data source: Space-Track
FLTSATCOM 7 (USA 20), 17181 is an American payload satellite in GEO that was launched on Fri, 05 Dec 1986 UTC via an ATLAS G CENTAUR 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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17181 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
TRW
Mission
Non-operational Defense Communications
Bus & Motor
FLTSATCOM, STAR 37FM
Mass
1,928 kg wet, 822 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Cyl + 2 Pan, 6.6 m
Radar Cross Section
11.308 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 FLTSATCOM 7 (USA 20)
1 17181U 86096A 25297.39917392 -.00000242 00000-0 00000-0 0 9994
2 17181 12.8937 341.5613 0041470 320.1275 206.1617 0.98930385149630Epoch: 2025-10-24T09:34Z
TLE epoch observation values (Epoch: 2025-10-24T09:34:48.626Z)
Latitude
3.07051°
Longitude
-28.78383°
Altitude
36,323.762 km
Speed
3.05 km/s
True Right ascension
09h 51m 51s
True Declination
3° 04' 03"
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
01:06:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,344.303 km
Perigee altitude
35,991.426 km
Semi-major axis
42,546.002 km
Eccentricity
0.00415
Inclination
12.8937°
RAAN
341.5613°
Arg. of periapsis
320.1275°
True anomaly
205.95315°
Mean anomaly
206.1617°
Eccentric anomaly
206.05733°
Mean motion
0.24732 °/min
Orbital period
1,455.62 mins
BSTAR
0
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Other satellites on launch #96 in the year 1986 (1986-12-05 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.FLTSATCOM 7 (USA 20) 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. |
|---|---|---|---|---|---|---|---|
| 139 mins | 2025-10-25 05:51:30.073Z | 91.352° ESE | 2025-10-25 05:51:30.073Z | 91.352° ESE | 12.314° | 2025-10-25 08:10:30.073Z | 95.219° ESE |
| 354 mins | 2025-10-25 23:57:30.073Z | 101.386° ESE | 2025-10-26 04:48:30.073Z | 94.112° ESE | 16.256° | 2025-10-26 05:51:30.073Z | 94.372° ESE |
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17181 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
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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