STARLINK-2015, 47638
Orbit data source: Space-Track
STARLINK-2015, 47638 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 16 Feb 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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47638 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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-2015
1 47638U 21012U 26171.39907581 .00035907 00000-0 10067-2 0 9993
2 47638 53.1555 213.8774 0006007 0.5393 359.5616 15.36265875297101Epoch: 2026-06-20T09:34Z
TLE epoch observation values (Epoch: 2026-06-20T09:34:40.149Z)
Latitude
-0.00003°
Longitude
161.59583°
Altitude
453.959 km
Speed
7.644 km/s
True Right ascension
14h 15m 30s
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
00:50:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
461.527 km
Perigee altitude
453.315 km
Semi-major axis
6,835.558 km
Eccentricity
0.0006
Inclination
53.1555°
RAAN
213.8774°
Arg. of periapsis
0.5393°
True anomaly
359.56107°
Mean anomaly
359.5616°
Eccentric anomaly
359.56134°
Mean motion
3.84045 °/min
Orbital period
93.74 mins
BSTAR
0.0010067
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Other satellites on launch #12 in the year 2021 (2021-02-16 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-2015 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 | 2026-06-23 04:53:14.271Z | 231.762° WSW | 2026-06-23 04:56:14.271Z | 247.324° WSW | 42.589° | 2026-06-23 04:59:14.271Z | 47.753° ENE |
| 5 mins | 2026-06-23 11:28:14.271Z | 315.854° NNW | 2026-06-23 11:30:14.271Z | 81.408° E | 43.922° | 2026-06-23 11:33:14.271Z | 126.093° 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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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