USA 164, 27168
Orbit data source: Space-Track
USA 164, 27168 is a payload satellite owned by USAF SMC (US) in GEO that was launched on Mon, 14 Jan 2002 UTC via a TITAN 401B/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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27168 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
LMMS/Sunnyvale
Mission
Operational Defense Communications
Bus & Motor
MILSTAR, AOCS
Mass
4,500 kg wet, ~4,200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Truss + 1 Ant, 17.5 m
Radar Cross Section
74.603 m²
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 USA 164
1 27168U 02001A 26086.02753088 .00000087 00000-0 00000+0 0 9996
2 27168 11.0833 22.3992 0099888 5.7119 185.3441 1.00278541 32137Epoch: 2026-03-27T00:39Z
TLE epoch observation values (Epoch: 2026-03-27T00:39:38.668Z)
Latitude
-2.09521°
Longitude
18.78992°
Altitude
36,204.856 km
Speed
3.044 km/s
True Right ascension
14h 12m 40s
True Declination
-2° 05' 35"
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
21:36:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,206.88 km
Perigee altitude
35,364.548 km
Semi-major axis
42,163.851 km
Eccentricity
0.00999
Inclination
11.0833°
RAAN
22.3992°
Arg. of periapsis
5.7119°
True anomaly
185.2388°
Mean anomaly
185.3441°
Eccentric anomaly
185.29132°
Mean motion
0.25069 °/min
Orbital period
1,436.05 mins
BSTAR
0
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Other satellites on launch #1 in the year 2002 (2002-01-14 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 164 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 164 is likely not visible in the next few days. |
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27168 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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