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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Edit Public Description
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: 12 hours ago
TLE from 12 hours ago
0 UPPER FREE FLYER
1 43763U 18099F 25286.12196942 .00005761 00000-0 36651-3 0 9990
2 43763 97.4743 336.7245 0015198 77.2899 283.0028 15.09085164375259Epoch: 2025-10-13T02:55Z
TLE epoch observation values (Epoch: 2025-10-13T02:55:38.157Z)
Latitude
-0.00004°
Longitude
-89.11377°
Altitude
539.717 km
Speed
7.594 km/s
True Right ascension
22h 26m 53s
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
09:32:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
546.486 km
Perigee altitude
525.469 km
Semi-major axis
6,914.114 km
Eccentricity
0.00152
Inclination
97.4743°
RAAN
336.7245°
Arg. of periapsis
77.2899°
True anomaly
282.83304°
Mean anomaly
283.0028°
Eccentric anomaly
282.91793°
Mean motion
3.77519 °/min
Orbital period
95.36 mins
BSTAR
0.00036651
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-13 16:12:55.421Z | 17.095° NNE | 2025-10-13 16:16:55.421Z | 146.785° SSE | 41.722° | 2025-10-13 16:19:55.421Z | 185.041° SSW |
| 5 mins | 2025-10-14 02:56:55.421Z | 121.622° SE | 2025-10-14 02:58:55.421Z | 73.837° E | 27.396° | 2025-10-14 03:01:55.421Z | 12.353° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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