STARLINK-2166, 48558
Orbit data source: Space-Track
STARLINK-2166, 48558 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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48558 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2166
1 48558U 21041F 25349.70931253 .00000618 00000-0 60389-4 0 9996
2 48558 53.0548 148.6204 0000805 92.8651 267.2430 15.06392867251689Epoch: 2025-12-15T17:01Z
TLE epoch observation values (Epoch: 2025-12-15T17:01:24.602Z)
Latitude
-0.00004°
Longitude
168.66388°
Altitude
548.139 km
Speed
7.589 km/s
True Right ascension
09h 54m 28s
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
17:42:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.062 km
Perigee altitude
546.947 km
Semi-major axis
6,925.641 km
Eccentricity
0.00008
Inclination
53.0548°
RAAN
148.6204°
Arg. of periapsis
92.8651°
True anomaly
267.23379°
Mean anomaly
267.243°
Eccentric anomaly
267.23839°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
0.000060389
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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-2166 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 | 2025-12-16 20:37:28.936Z | 296.307° NW | 2025-12-16 20:40:28.936Z | 198.579° SSW | 38.544° | 2025-12-16 20:43:28.936Z | 148.364° SSE |
| 4 mins | 2025-12-17 12:11:28.936Z | 164.864° S | 2025-12-17 12:12:28.936Z | 142.936° SSE | 23.951° | 2025-12-17 12:15:28.936Z | 80.758° E |
| 6 mins | 2025-12-17 13:49:28.936Z | 259.91° W | 2025-12-17 13:52:28.936Z | 333.756° NNW | 34.536° | 2025-12-17 13:55:28.936Z | 35.86° NE |
| 6 mins | 2025-12-17 18:51:28.936Z | 332.612° NNW | 2025-12-17 18:54:28.936Z | 39.934° NE | 28.106° | 2025-12-17 18:57:28.936Z | 92.151° ESE |
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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