STARLINK-2104, 47384
Orbit data source: Space-Track
STARLINK-2104, 47384 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 20 Jan 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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47384 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2104
1 47384U 21005AM 26171.50003471 -.00019661 00000-0 -62325-3 0 9997
2 47384 53.1576 279.1317 0001595 79.1260 47.5046 15.31710213 5858Epoch: 2026-06-20T12:00Z
TLE epoch observation values (Epoch: 2026-06-20T12:00:02.998Z)
Latitude
40.07948°
Longitude
-28.42229°
Altitude
473.577 km
Speed
7.635 km/s
True Right ascension
04h 01m 12s
True Declination
39° 54' 11"
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
21:38:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.059 km
Perigee altitude
469.874 km
Semi-major axis
6,849.104 km
Eccentricity
0.00016
Inclination
53.1576°
RAAN
279.1317°
Arg. of periapsis
79.126°
True anomaly
47.51808°
Mean anomaly
47.5046°
Eccentric anomaly
47.51134°
Mean motion
3.82906 °/min
Orbital period
94.02 mins
BSTAR
-0.00062325
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Other satellites on launch #5 in the year 2021 (2021-01-20 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-2104 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 | 2026-06-22 10:39:57.369Z | 277.314° WNW | 2026-06-22 10:42:57.369Z | 340.86° N | 23.207° | 2026-06-22 10:44:57.369Z | 22.079° NNE |
| 5 mins | 2026-06-22 15:36:57.369Z | 330.448° NNW | 2026-06-22 15:38:57.369Z | 19.154° NNE | 32.534° | 2026-06-22 15:41:57.369Z | 100.439° ESE |
| 5 mins | 2026-06-23 08:31:57.369Z | 188.551° SSW | 2026-06-23 08:33:57.369Z | 130.214° SE | 31.058° | 2026-06-23 08:36:57.369Z | 66.907° ENE |
| 4 mins | 2026-06-23 10:09:57.369Z | 284.285° WNW | 2026-06-23 10:11:57.369Z | 337.231° NNW | 25.722° | 2026-06-23 10:13:57.369Z | 22.426° NNE |
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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