STARLINK-2159, 47745
Orbit data source: Space-Track
STARLINK-2159, 47745 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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47745 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-2159
1 47745U 21017Z 25346.96328245 -.00035151 00000-0 -23562-2 0 9994
2 47745 53.0514 240.9487 0002153 143.4219 216.6917 15.06342184264655Epoch: 2025-12-12T23:07Z
TLE epoch observation values (Epoch: 2025-12-12T23:07:07.603Z)
Latitude
-0.00005°
Longitude
172.26961°
Altitude
549.463 km
Speed
7.588 km/s
True Right ascension
16h 03m 47s
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
09:14:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
549.151 km
Perigee altitude
546.169 km
Semi-major axis
6,925.797 km
Eccentricity
0.00022
Inclination
53.0514°
RAAN
240.9487°
Arg. of periapsis
143.4219°
True anomaly
216.67696°
Mean anomaly
216.6917°
Eccentric anomaly
216.68433°
Mean motion
3.76564 °/min
Orbital period
95.6 mins
BSTAR
-0.0023562
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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-2159 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 | 2025-12-13 18:22:59.247Z | 152.954° SSE | 2025-12-13 18:24:59.247Z | 120.951° SE | 14.306° | 2025-12-13 18:26:59.247Z | 91.481° ESE |
| 6 mins | 2025-12-13 20:00:59.247Z | 238° WSW | 2025-12-13 20:03:59.247Z | 354.585° N | 43.512° | 2025-12-13 20:06:59.247Z | 45.96° ENE |
| 4 mins | 2025-12-13 21:41:59.247Z | 306.889° NW | 2025-12-13 21:43:59.247Z | 343.121° N | 18.248° | 2025-12-13 21:45:59.247Z | 17.677° NNE |
| 4 mins | 2025-12-14 01:03:59.247Z | 352.689° N | 2025-12-14 01:04:59.247Z | 12.83° NNE | 21.063° | 2025-12-14 01:07:59.247Z | 69.816° E |
| 6 mins | 2025-12-14 02:42:59.247Z | 303.976° NW | 2025-12-14 02:44:59.247Z | 270.637° WNW | 43.006° | 2025-12-14 02:48:59.247Z | 137.347° 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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