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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Edit Public Description
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: 12 hours ago
TLE from 12 hours ago
0 USA 164
1 27168U 02001A 25259.51613172 .00000084 00000-0 00000-0 0 9998
2 27168 10.8516 23.4826 0096860 5.7557 171.2239 1.00270076 30214Epoch: 2025-09-16T12:23Z
TLE epoch observation values (Epoch: 2025-09-16T12:23:13.78Z)
Latitude
0.54518°
Longitude
19.16125°
Altitude
36,190.785 km
Speed
3.045 km/s
True Right ascension
13h 22m 41s
True Declination
0° 32' 41"
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
16:47:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,196.511 km
Perigee altitude
35,379.667 km
Semi-major axis
42,166.226 km
Eccentricity
0.00969
Inclination
10.8516°
RAAN
23.4826°
Arg. of periapsis
5.7557°
True anomaly
171.39124°
Mean anomaly
171.2239°
Eccentric anomaly
171.30777°
Mean motion
0.25067 °/min
Orbital period
1,436.17 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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