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: 14 hours ago
TLE from 14 hours ago
0 UPPER FREE FLYER
1 43763U 18099F 26235.67763993 .00003530 00000-0 20924-3 0 9999
2 43763 97.4311 282.9426 0014375 74.8316 285.4504 15.11927766422744Epoch: 2026-08-23T16:15Z
TLE epoch observation values (Epoch: 2026-08-23T16:15:48.089Z)
Latitude
0°
Longitude
67.02197°
Altitude
530.767 km
Speed
7.599 km/s
True Right ascension
18h 51m 46s
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
21:34:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
537.226 km
Perigee altitude
517.372 km
Semi-major axis
6,905.436 km
Eccentricity
0.00144
Inclination
97.4311°
RAAN
282.9426°
Arg. of periapsis
74.8316°
True anomaly
285.29155°
Mean anomaly
285.4504°
Eccentric anomaly
285.37098°
Mean motion
3.7823 °/min
Orbital period
95.18 mins
BSTAR
0.00020924
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-08-24 15:05:17.409Z | 59.066° ENE | 2026-08-24 15:07:17.409Z | 92.132° ESE | 14.54° | 2026-08-24 15:09:17.409Z | 125.557° SE |
| 4 mins | 2026-08-24 16:40:17.409Z | 330.781° NNW | 2026-08-24 16:41:17.409Z | 304.736° NW | 28.142° | 2026-08-24 16:44:17.409Z | 230.125° WSW |
| 6 mins | 2026-08-25 03:20:17.409Z | 171.473° S | 2026-08-25 03:23:17.409Z | 311.169° NW | 43.968° | 2026-08-25 03:26:17.409Z | 345.395° N |
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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