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: 17 hours ago
TLE from 17 hours ago
0 FLTSATCOM 7 (USA 20)
1 17181U 86096A 26091.14280881 -.00000109 00000-0 00000+0 0 9997
2 17181 12.7638 340.5685 0042983 329.5458 213.7429 0.98927133151209Epoch: 2026-04-01T03:25Z
TLE epoch observation values (Epoch: 2026-04-01T03:25:38.681Z)
Latitude
-0.67752°
Longitude
-77.37917°
Altitude
36,319.841 km
Speed
3.05 km/s
True Right ascension
10h 54m 10s
True Declination
0° 40' 37"
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
02:27:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,351.678 km
Perigee altitude
35,985.919 km
Semi-major axis
42,546.936 km
Eccentricity
0.0043
Inclination
12.7638°
RAAN
340.5685°
Arg. of periapsis
329.5458°
True anomaly
213.47052°
Mean anomaly
213.7429°
Eccentric anomaly
213.60659°
Mean motion
0.24731 °/min
Orbital period
1,455.67 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-04-01 20:47:06.693Z | 134.376° SE | 2026-04-02 20:47:06.693Z | 141.898° SSE | 38.296° | 2026-04-02 20:47:06.693Z | 141.898° SSE |
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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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