STARLINK-2555, 48291
Orbit data source: Space-Track
STARLINK-2555, 48291 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 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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48291 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2555
1 48291U 21036R 26306.65101036 .00019594 00000-0 48650-3 0 9999
2 48291 53.1620 49.6296 0001824 37.4890 322.6242 15.40368901304842Epoch: 2026-11-02T15:37Z
TLE epoch observation values (Epoch: 2026-11-02T15:37:27.295Z)
Latitude
-0.00002°
Longitude
133.34089°
Altitude
444.935 km
Speed
7.647 km/s
True Right ascension
03h 18m 31s
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
14:30:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
446.522 km
Perigee altitude
444.032 km
Semi-major axis
6,823.414 km
Eccentricity
0.00018
Inclination
53.162°
RAAN
49.6296°
Arg. of periapsis
37.489°
True anomaly
322.61151°
Mean anomaly
322.6242°
Eccentric anomaly
322.61786°
Mean motion
3.85071 °/min
Orbital period
93.49 mins
BSTAR
0.0004865
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Other satellites on launch #36 in the year 2021 (2021-04-29 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-2555 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-11-04 08:16:11.854Z | 164.68° S | 2026-11-04 08:18:11.854Z | 123.784° SE | 18.147° | 2026-11-04 08:20:11.854Z | 86.743° E |
| 5 mins | 2026-11-04 09:53:11.854Z | 261.476° W | 2026-11-04 09:55:11.854Z | 339.273° N | 46.345° | 2026-11-04 09:58:11.854Z | 39.528° NE |
| 4 mins | 2026-11-04 14:48:11.854Z | 350.322° N | 2026-11-04 14:50:11.854Z | 36.353° NE | 20.491° | 2026-11-04 14:52:11.854Z | 73.444° E |
| 5 mins | 2026-11-04 16:25:11.854Z | 298.123° NW | 2026-11-04 16:27:11.854Z | 230.574° WSW | 60.925° | 2026-11-04 16:30:11.854Z | 144.348° SSE |
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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