STARLINK-2150, 47739
Orbit data source: Space-Track
STARLINK-2150, 47739 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 Mar 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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47739 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2150
1 47739U 21017T 26170.96233401 .00000240 00000-0 19484-4 0 9991
2 47739 53.1586 103.4164 0001199 84.5945 275.5193 15.31702672293352Epoch: 2026-06-19T23:05Z
TLE epoch observation values (Epoch: 2026-06-19T23:05:45.658Z)
Latitude
-0.00003°
Longitude
-151.20765°
Altitude
471.553 km
Speed
7.632 km/s
True Right ascension
06h 53m 39s
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
21:37:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.81 km
Perigee altitude
470.168 km
Semi-major axis
6,849.126 km
Eccentricity
0.00012
Inclination
53.1586°
RAAN
103.4164°
Arg. of periapsis
84.5945°
True anomaly
275.50562°
Mean anomaly
275.5193°
Eccentric anomaly
275.51246°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000019484
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Other satellites on launch #17 in the year 2021 (2021-03-04 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-2150 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 | 2026-06-22 20:09:05.956Z | 162.16° S | 2026-06-22 20:11:05.956Z | 127.878° SE | 14.652° | 2026-06-22 20:13:05.956Z | 93.131° ESE |
| 6 mins | 2026-06-22 21:46:05.956Z | 245.642° WSW | 2026-06-22 21:48:05.956Z | 283.873° WNW | 38.994° | 2026-06-22 21:52:05.956Z | 43.9° NE |
| 4 mins | 2026-06-23 02:43:05.956Z | 344.402° N | 2026-06-23 02:45:05.956Z | 24.688° NE | 18.943° | 2026-06-23 02:47:05.956Z | 64.499° ENE |
| 5 mins | 2026-06-23 04:21:05.956Z | 303.503° NW | 2026-06-23 04:23:05.956Z | 243.178° WSW | 43.679° | 2026-06-23 04:26:05.956Z | 138.534° SSE |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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