STARLINK-2144, 47734
Orbit data source: Space-Track
STARLINK-2144, 47734 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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47734 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-2144
1 47734U 21017N 26236.15274557 .00001009 00000-0 44280-4 0 9993
2 47734 53.1603 144.6072 0001243 84.0729 276.0414 15.31699973303529Epoch: 2026-08-24T03:39Z
TLE epoch observation values (Epoch: 2026-08-24T03:39:57.217Z)
Latitude
-0.00001°
Longitude
117.18024°
Altitude
471.551 km
Speed
7.632 km/s
True Right ascension
09h 38m 25s
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
08:57:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.848 km
Perigee altitude
470.145 km
Semi-major axis
6,849.134 km
Eccentricity
0.00012
Inclination
53.1603°
RAAN
144.6072°
Arg. of periapsis
84.0729°
True anomaly
276.02724°
Mean anomaly
276.0414°
Eccentric anomaly
276.03432°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.00004428
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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-2144 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 | 2026-08-24 21:06:20.770Z | 251.947° W | 2026-08-24 21:08:20.770Z | 336.33° NNW | 40.2° | 2026-08-24 21:11:20.770Z | 42.078° NE |
| 5 mins | 2026-08-25 02:02:20.770Z | 339.133° N | 2026-08-25 02:04:20.770Z | 15.838° NNE | 19.04° | 2026-08-25 02:07:20.770Z | 73.101° E |
| 6 mins | 2026-08-25 03:40:20.770Z | 303.601° NW | 2026-08-25 03:42:20.770Z | 275.13° WNW | 40.885° | 2026-08-25 03:46:20.770Z | 138.759° SSE |
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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