STARLINK-2728, 48478
Orbit data source: Space-Track
STARLINK-2728, 48478 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 09 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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48478 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-2728
1 48478U 21040BC 26171.42594757 .00001070 00000-0 46225-4 0 9999
2 48478 53.1621 73.1874 0001351 104.2809 255.8343 15.31706441282234Epoch: 2026-06-20T10:13Z
TLE epoch observation values (Epoch: 2026-06-20T10:13:21.870Z)
Latitude
0.00004°
Longitude
11.20556°
Altitude
471.848 km
Speed
7.631 km/s
True Right ascension
04h 52m 44s
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
21:27:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.902 km
Perigee altitude
470.052 km
Semi-major axis
6,849.114 km
Eccentricity
0.00014
Inclination
53.1621°
RAAN
73.1874°
Arg. of periapsis
104.2809°
True anomaly
255.81929°
Mean anomaly
255.8343°
Eccentric anomaly
255.82679°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000046225
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Other satellites on launch #40 in the year 2021 (2021-05-09 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-2728 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 18:45:26.073Z | 184.773° SSW | 2026-06-22 18:47:26.073Z | 146.272° SSE | 23.992° | 2026-06-22 18:50:26.073Z | 77.555° E |
| 5 mins | 2026-06-22 20:23:26.073Z | 269.421° W | 2026-06-22 20:25:26.073Z | 319.137° NNW | 30.13° | 2026-06-22 20:28:26.073Z | 31.823° NE |
| 5 mins | 2026-06-23 01:20:26.073Z | 343.478° N | 2026-06-23 01:22:26.073Z | 35.078° NE | 25.349° | 2026-06-23 01:25:26.073Z | 90.982° ESE |
| 5 mins | 2026-06-23 02:58:26.073Z | 279.248° WNW | 2026-06-23 03:00:26.073Z | 212.911° SW | 31.269° | 2026-06-23 03:03:26.073Z | 157.797° 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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