UPPER FREE FLYER, 43763
Orbit data source: Space-Track
UPPER FREE FLYER, 43763 is a payload satellite owned by Spaceflight Ind (US) in SSO that was launched on Mon, 03 Dec 2018 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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43763 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Spaceflight Ind
Mission
Commercial Technology
Bus & Motor
SFL-UFF, Unknown motor
Mass
2,271 kg wet, 1,072 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Sail, 2.0 m
Radar Cross Section
6.440 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 UPPER FREE FLYER
1 43763U 18099F 26079.89747753 .00003941 00000-0 24059-3 0 9994
2 43763 97.4471 131.3583 0011668 245.8309 114.1702 15.10822266399217Epoch: 2026-03-20T21:32Z
TLE epoch observation values (Epoch: 2026-03-20T21:32:22.058Z)
Latitude
0.00001°
Longitude
-10.15956°
Altitude
540.078 km
Speed
7.591 km/s
True Right ascension
08h 45m 25s
True Declination
0° 00' 00"
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
08:41:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
538.732 km
Perigee altitude
522.61 km
Semi-major axis
6,908.808 km
Eccentricity
0.00117
Inclination
97.4471°
RAAN
131.3583°
Arg. of periapsis
245.8309°
True anomaly
114.29211°
Mean anomaly
114.1702°
Eccentric anomaly
114.23116°
Mean motion
3.77954 °/min
Orbital period
95.25 mins
BSTAR
0.00024059
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Other satellites on launch #99 in the year 2018 (2018-12-03 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.UPPER FREE FLYER 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-03-21 04:01:27.317Z | 206.614° SW | 2026-03-21 04:04:27.317Z | 270.859° WNW | 26.317° | 2026-03-21 04:07:27.317Z | 324.35° NNW |
| 4 mins | 2026-03-21 15:37:27.317Z | 60.748° ENE | 2026-03-21 15:38:27.317Z | 85.508° E | 25.199° | 2026-03-21 15:41:27.317Z | 150.979° SSE |
| 4 mins | 2026-03-21 17:11:27.317Z | 322.05° NNW | 2026-03-21 17:13:27.317Z | 282.988° WNW | 17.593° | 2026-03-21 17:15:27.317Z | 249.891° W |
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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