STARLINK-2122, 47400
Orbit data source: Space-Track
STARLINK-2122, 47400 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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47400 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: 3 days ago
TLE from 3 days ago
0 STARLINK-2122
1 47400U 21005BD 26170.51109403 .00002097 00000-0 79338-4 0 9994
2 47400 53.1610 259.8406 0001067 60.5609 299.5499 15.31690250299321Epoch: 2026-06-19T12:15Z
TLE epoch observation values (Epoch: 2026-06-19T12:15:58.524Z)
Latitude
0.00001°
Longitude
168.10773°
Altitude
471.309 km
Speed
7.632 km/s
True Right ascension
17h 19m 21s
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
21:29:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.756 km
Perigee altitude
470.295 km
Semi-major axis
6,849.162 km
Eccentricity
0.00011
Inclination
53.161°
RAAN
259.8406°
Arg. of periapsis
60.5609°
True anomaly
299.53926°
Mean anomaly
299.5499°
Eccentric anomaly
299.54458°
Mean motion
3.82901 °/min
Orbital period
94.02 mins
BSTAR
0.000079338
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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-2122 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 | 2026-06-22 14:21:57.352Z | 320.963° NNW | 2026-06-22 14:23:57.352Z | 1.508° NNE | 38.872° | 2026-06-22 14:27:57.352Z | 117.876° SE |
| 5 mins | 2026-06-23 07:16:57.352Z | 207.268° SW | 2026-06-23 07:18:57.352Z | 126.312° SE | 40.321° | 2026-06-23 07:21:57.352Z | 58.379° ENE |
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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