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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-2144
1 47734U 21017N 26131.09959365 .00003800 00000-0 13413-3 0 9991
2 47734 53.1590 273.6952 0001211 90.2716 269.8424 15.31701592287426Epoch: 2026-05-11T02:23Z
TLE epoch observation values (Epoch: 2026-05-11T02:23:24.891Z)
Latitude
-0.00003°
Longitude
8.94828°
Altitude
471.638 km
Speed
7.631 km/s
True Right ascension
18h 14m 46s
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
22:45:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.821 km
Perigee altitude
470.163 km
Semi-major axis
6,849.129 km
Eccentricity
0.00012
Inclination
53.159°
RAAN
273.6952°
Arg. of periapsis
90.2716°
True anomaly
269.82852°
Mean anomaly
269.8424°
Eccentric anomaly
269.83546°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.00013413
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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 | 2026-05-11 18:32:50.891Z | 334.259° NNW | 2026-05-11 18:34:50.891Z | 43.409° NE | 34.637° | 2026-05-11 18:37:50.891Z | 106.648° ESE |
| 4 mins | 2026-05-11 20:10:50.891Z | 262.485° W | 2026-05-11 20:11:50.891Z | 241.127° WSW | 19.614° | 2026-05-11 20:14:50.891Z | 182.206° SSW |
| 5 mins | 2026-05-12 11:26:50.891Z | 197.35° SSW | 2026-05-12 11:28:50.891Z | 150.664° SSE | 32.565° | 2026-05-12 11:31:50.891Z | 68.023° E |
| 4 mins | 2026-05-12 13:05:50.891Z | 297.025° NW | 2026-05-12 13:06:50.891Z | 323.493° NNW | 24.429° | 2026-05-12 13:09:50.891Z | 27.752° NE |
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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