STARLINK-2099, 47379
Orbit data source: Space-Track
STARLINK-2099, 47379 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 20 Jan 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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47379 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-2099
1 47379U 21005AG 26170.50646371 -.00000477 00000-0 -36193-5 0 9993
2 47379 53.1584 259.8751 0000511 60.0975 300.0077 15.31690048299328Epoch: 2026-06-19T12:09Z
TLE epoch observation values (Epoch: 2026-06-19T12:09:18.464Z)
Latitude
-0.00003°
Longitude
169.81368°
Altitude
471.495 km
Speed
7.632 km/s
True Right ascension
17h 19m 30s
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
21:47:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.377 km
Perigee altitude
470.677 km
Semi-major axis
6,849.164 km
Eccentricity
0.00005
Inclination
53.1584°
RAAN
259.8751°
Arg. of periapsis
60.0975°
True anomaly
300.00263°
Mean anomaly
300.0077°
Eccentric anomaly
300.00516°
Mean motion
3.82901 °/min
Orbital period
94.02 mins
BSTAR
-0.0000036193
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Other satellites on launch #5 in the year 2021 (2021-01-20 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.STARLINK-2099 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 14:15:22.433Z | 327.142° NNW | 2026-06-22 14:17:22.433Z | 28.932° NE | 37.902° | 2026-06-22 14:20:22.433Z | 110.436° ESE |
| 5 mins | 2026-06-23 07:10:22.433Z | 195.718° SSW | 2026-06-23 07:12:22.433Z | 110.19° ESE | 35.927° | 2026-06-23 07:15:22.433Z | 60.145° ENE |
| 4 mins | 2026-06-23 08:48:22.433Z | 294.989° NW | 2026-06-23 08:50:22.433Z | 344.777° N | 22.103° | 2026-06-23 08:52:22.433Z | 23.198° NE |
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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