STARLINK-2666, 48666
Orbit data source: Space-Track
STARLINK-2666, 48666 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 26 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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48666 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-2666
1 48666U 21044AE 26171.21801157 .00000944 00000-0 45045-4 0 9992
2 48666 53.1597 357.8786 0001190 75.1891 284.9241 15.29357675279501Epoch: 2026-06-20T05:13Z
TLE epoch observation values (Epoch: 2026-06-20T05:13:56.199Z)
Latitude
-0.00004°
Longitude
10.95861°
Altitude
478.421 km
Speed
7.628 km/s
True Right ascension
23h 51m 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
21:38:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.804 km
Perigee altitude
477.172 km
Semi-major axis
6,856.125 km
Eccentricity
0.00012
Inclination
53.1597°
RAAN
357.8786°
Arg. of periapsis
75.1891°
True anomaly
284.91092°
Mean anomaly
284.9241°
Eccentric anomaly
284.91751°
Mean motion
3.82318 °/min
Orbital period
94.16 mins
BSTAR
0.000045045
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Other satellites on launch #44 in the year 2021 (2021-05-26 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-2666 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 13:50:45.563Z | 195.23° SSW | 2026-06-22 13:53:45.563Z | 138.26° SSE | 27.693° | 2026-06-22 13:56:45.563Z | 71.843° E |
| 5 mins | 2026-06-22 15:29:45.563Z | 275.085° WNW | 2026-06-22 15:31:45.563Z | 325.042° NNW | 28.324° | 2026-06-22 15:34:45.563Z | 31.172° NE |
| 5 mins | 2026-06-22 20:26:45.563Z | 336.475° NNW | 2026-06-22 20:28:45.563Z | 23.564° NE | 27.676° | 2026-06-22 20:31:45.563Z | 91.555° ESE |
| 5 mins | 2026-06-22 22:04:45.563Z | 281.871° WNW | 2026-06-22 22:06:45.563Z | 233.283° WSW | 28.49° | 2026-06-22 22:09:45.563Z | 166.16° 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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