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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
43763 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 18 hours ago
TLE from 18 hours ago
0 UPPER FREE FLYER
1 43763U 18099F 25339.15628599 .00009911 00000-0 61690-3 0 9992
2 43763 97.4664 28.3820 0012024 250.8893 109.1035 15.09737106383257Epoch: 2025-12-05T03:45Z
TLE epoch observation values (Epoch: 2025-12-05T03:45:03.109Z)
Latitude
-0°
Longitude
-102.08338°
Altitude
542.808 km
Speed
7.589 km/s
True Right ascension
01h 53m 31s
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
20:05:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
542.296 km
Perigee altitude
525.674 km
Semi-major axis
6,912.122 km
Eccentricity
0.0012
Inclination
97.4664°
RAAN
28.382°
Arg. of periapsis
250.8893°
True anomaly
109.23363°
Mean anomaly
109.1035°
Eccentric anomaly
109.16857°
Mean motion
3.77682 °/min
Orbital period
95.32 mins
BSTAR
0.0006169
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)
Did you know?
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
Loading observer location...
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 | 2025-12-06 03:44:25.413Z | 184.58° SSW | 2025-12-06 03:47:25.413Z | 277.403° WNW | 39.583° | 2025-12-06 03:50:25.413Z | 337.371° NNW |
| 5 mins | 2025-12-06 16:54:25.413Z | 342.33° N | 2025-12-06 16:56:25.413Z | 299.939° NW | 27.821° | 2025-12-06 16:59:25.413Z | 230.827° WSW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|