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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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: 1 day ago
TLE from 1 day ago
0 FLTSATCOM 7 (USA 20)
1 17181U 86096A 26137.11154309 .00000050 00000-0 00000-0 0 9995
2 17181 12.7264 340.2854 0041606 331.1874 23.9457 0.98926037151654Epoch: 2026-05-17T02:40Z
TLE epoch observation values (Epoch: 2026-05-17T02:40:37.322Z)
Latitude
-1.01655°
Longitude
60.74856°
Altitude
36,007.197 km
Speed
3.072 km/s
True Right ascension
22h 22m 53s
True Declination
-1° 00' 56"
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
12:52:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,346.135 km
Perigee altitude
35,992.091 km
Semi-major axis
42,547.25 km
Eccentricity
0.00416
Inclination
12.7264°
RAAN
340.2854°
Arg. of periapsis
331.1874°
True anomaly
24.14013°
Mean anomaly
23.9457°
Eccentric anomaly
24.04282°
Mean motion
0.24731 °/min
Orbital period
1,455.68 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
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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. |
|---|---|---|---|---|---|---|---|
| FLTSATCOM 7 (USA 20) is likely not visible in the next few days. |
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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
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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