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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Edit Public Description
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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-2144
1 47734U 21017N 25346.95958704 -.00005782 00000-0 -36976-3 0 9991
2 47734 53.0537 240.9649 0001404 90.4535 269.6615 15.06382713264675Epoch: 2025-12-12T23:01Z
TLE epoch observation values (Epoch: 2025-12-12T23:01:48.320Z)
Latitude
0°
Longitude
173.61984°
Altitude
548.149 km
Speed
7.589 km/s
True Right ascension
16h 03m 51s
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
07:26:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.508 km
Perigee altitude
546.563 km
Semi-major axis
6,925.672 km
Eccentricity
0.00014
Inclination
53.0537°
RAAN
240.9649°
Arg. of periapsis
90.4535°
True anomaly
269.64541°
Mean anomaly
269.6615°
Eccentric anomaly
269.65346°
Mean motion
3.76574 °/min
Orbital period
95.6 mins
BSTAR
-0.00036976
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-13 19:55:48.062Z | 234.016° WSW | 2025-12-13 19:57:48.062Z | 255.07° W | 43.65° | 2025-12-13 20:01:48.062Z | 48.577° ENE |
| 4 mins | 2025-12-13 21:36:48.062Z | 312.383° NW | 2025-12-13 21:37:48.062Z | 331.305° NNW | 18.839° | 2025-12-13 21:40:48.062Z | 23.454° NE |
| 5 mins | 2025-12-14 00:57:48.062Z | 344.701° N | 2025-12-14 00:59:48.062Z | 22.938° NE | 20.433° | 2025-12-14 01:02:48.062Z | 72.637° E |
| 6 mins | 2025-12-14 02:36:48.062Z | 308.115° NW | 2025-12-14 02:39:48.062Z | 188.129° SSW | 44.804° | 2025-12-14 02:42:48.062Z | 133.724° SE |
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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