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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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Iframe URL

https://www.satcat.com/sats-embedded/43763?theme=dark&initialShowStats=false

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Identifier

43763, 2018-099F

Orbit

SSO

Country

Related business

Firefly Aerospace (US)

Manufacturer

Spaceflight Ind

Mission

Commercial Technology

Bus & Motor

SFL-UFF, Unknown motor

Mass

2,271 kg wet, 1,072 kg dry

Launch date (UTC)

2018-12-03 (7 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Sail, 2.0 m

Radar Cross Section

6.440 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 UPPER FREE FLYER
1 43763U 18099F   26034.58933912  .00004411  00000-0  27167-3 0  9991
2 43763  97.4565  87.2413 0014344  50.2045 310.0445 15.10402997392377

Epoch: 2026-02-03T14:08Z

TLE epoch observation values (Epoch: 2026-02-03T14:08:38.899Z)

Latitude

-0.00007°

Longitude

101.31113°

Altitude

531.673 km

Speed

7.6 km/s

True Right ascension

05h 48m 57s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

00:35:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

541.863 km

Perigee altitude

522.039 km

Semi-major axis

6,910.088 km

Eccentricity

0.00143

Inclination

97.4565°

RAAN

87.2413°

Arg. of periapsis

50.2045°

True anomaly

309.91852°

Mean anomaly

310.0445°

Eccentric anomaly

309.98153°

Mean motion

3.77849 °/min

Orbital period

95.28 mins

BSTAR

0.00027167

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Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

SPACEBEE-5, 43817 (Decayed)

POLAR SCOUT YUKON, 43808

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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.

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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	2026-02-04 02:59:25.517Z	142.067° SSE	2026-02-04 03:02:25.517Z	89.543° E	31.977°	2026-02-04 03:05:25.517Z	9.691° NNE
6 mins	2026-02-04 16:09:25.517Z	18.982° NNE	2026-02-04 16:12:25.517Z	149.827° SSE	42.062°	2026-02-04 16:15:25.517Z	185.861° SSW

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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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Check out UPPER FREE FLYER, 43763 on other resources

View UPPER FREE FLYER, 43763 on NASA - NSSDCA Website

View UPPER FREE FLYER, 43763 on Heavens-Above

View UPPER FREE FLYER, 43763 on Keep Track

View UPPER FREE FLYER, 43763 on Celestrak

View UPPER FREE FLYER, 43763 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

UPPER FREE FLYER, 43763

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-02-03T14:08:38.899Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

UPPER FREE FLYER Visibility forecast

Co-orbital & Co-planar RSOs

Check out UPPER FREE FLYER, 43763 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago