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: 10 hours ago
TLE from 10 hours ago
0 UPPER FREE FLYER
1 43763U 18099F 26125.06100564 .00003660 00000-0 22114-3 0 9996
2 43763 97.4388 175.3129 0014711 94.1377 266.1535 15.11202833406034Epoch: 2026-05-05T01:27Z
TLE epoch observation values (Epoch: 2026-05-05T01:27:50.887Z)
Latitude
-0°
Longitude
-69.59039°
Altitude
536.305 km
Speed
7.594 km/s
True Right ascension
11h 41m 15s
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
18:52:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
539.671 km
Perigee altitude
519.348 km
Semi-major axis
6,907.647 km
Eccentricity
0.00147
Inclination
97.4388°
RAAN
175.3129°
Arg. of periapsis
94.1377°
True anomaly
265.98533°
Mean anomaly
266.1535°
Eccentric anomaly
266.06941°
Mean motion
3.78049 °/min
Orbital period
95.23 mins
BSTAR
0.00022114
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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 | 2026-05-05 16:19:59.646Z | 5.502° NNE | 2026-05-05 16:22:59.646Z | 254.749° W | 42.981° | 2026-05-05 16:25:59.646Z | 201.021° SSW |
| 5 mins | 2026-05-06 03:01:59.646Z | 140.48° SSE | 2026-05-06 03:03:59.646Z | 91.827° ESE | 35.811° | 2026-05-06 03:06:59.646Z | 5.074° NNE |
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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