STARLINK-2221, 48571
Orbit data source: Space-Track
STARLINK-2221, 48571 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 May 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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48571 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-2221
1 48571U 21041U 26171.02681764 -.00000282 00000-0 26780-5 0 9995
2 48571 53.1602 23.4617 0001224 93.3935 266.7207 15.31701235280770Epoch: 2026-06-20T00:38Z
TLE epoch observation values (Epoch: 2026-06-20T00:38:37.044Z)
Latitude
0.00004°
Longitude
105.56004°
Altitude
471.685 km
Speed
7.631 km/s
True Right ascension
01h 33m 50s
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
21:38:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.831 km
Perigee altitude
470.155 km
Semi-major axis
6,849.13 km
Eccentricity
0.00012
Inclination
53.1602°
RAAN
23.4617°
Arg. of periapsis
93.3935°
True anomaly
266.7067°
Mean anomaly
266.7207°
Eccentric anomaly
266.7137°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000002678
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Other satellites on launch #41 in the year 2021 (2021-05-15 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-2221 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 15:26:47.292Z | 186.994° SSW | 2026-06-22 15:28:47.292Z | 145.448° SSE | 26.128° | 2026-06-22 15:31:47.292Z | 74.747° E |
| 5 mins | 2026-06-22 17:04:47.292Z | 272.987° WNW | 2026-06-22 17:06:47.292Z | 322.356° NNW | 28.675° | 2026-06-22 17:09:47.292Z | 31.149° NE |
| 5 mins | 2026-06-22 22:01:47.292Z | 343.079° N | 2026-06-22 22:03:47.292Z | 37.618° NE | 26.635° | 2026-06-22 22:06:47.292Z | 93.694° ESE |
| 4 mins | 2026-06-22 23:39:47.292Z | 275.151° WNW | 2026-06-22 23:41:47.292Z | 211.993° SW | 28.897° | 2026-06-22 23:43:47.292Z | 168.404° S |
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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