UFO 10 (USA 146), 25967
Orbit data source: Space-Track
UFO 10 (USA 146), 25967 is a payload satellite owned by USN PMW 146 (US) in GEO that was launched on Tue, 23 Nov 1999 UTC via an ATLAS IIA 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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25967 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Hughes
Mission
Operational Defense Communications
Bus & Motor
HS-601, R-4D-11-300
Mass
3,205 kg wet, ~1,350 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 13.1 m
Radar Cross Section
49.326 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 UFO 10 (USA 146)
1 25967U 99063A 26098.10391951 -.00000183 00000-0 00000-0 0 9993
2 25967 9.8543 27.5790 0004826 310.1048 233.2318 1.00275928 96648Epoch: 2026-04-08T02:29Z
TLE epoch observation values (Epoch: 2026-04-08T02:29:38.645Z)
Latitude
-0.57173°
Longitude
-22.94874°
Altitude
35,797.289 km
Speed
3.074 km/s
True Right ascension
14h 03m 20s
True Declination
0° 34' 16"
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
14:41:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,806.807 km
Perigee altitude
35,766.109 km
Semi-major axis
42,164.595 km
Eccentricity
0.00048
Inclination
9.8543°
RAAN
27.579°
Arg. of periapsis
310.1048°
True anomaly
233.18752°
Mean anomaly
233.2318°
Eccentric anomaly
233.20966°
Mean motion
0.25068 °/min
Orbital period
1,436.09 mins
BSTAR
0
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Other satellites on launch #63 in the year 1999 (1999-11-23 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.UFO 10 (USA 146) 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. |
|---|---|---|---|---|---|---|---|
| UFO 10 (USA 146) is likely not visible in the next few days. |
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25967 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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