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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-2555
1 48291U 21036R 26187.17495023 -.00000914 00000-0 -17698-4 0 9992
2 48291 53.1580 246.5432 0001232 69.4407 290.6727 15.31695363286520Epoch: 2026-07-06T04:11Z
TLE epoch observation values (Epoch: 2026-07-06T04:11:55.699Z)
Latitude
-0°
Longitude
-100.60259°
Altitude
471.356 km
Speed
7.632 km/s
True Right ascension
16h 26m 10s
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
04:01:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.855 km
Perigee altitude
470.167 km
Semi-major axis
6,849.148 km
Eccentricity
0.00012
Inclination
53.158°
RAAN
246.5432°
Arg. of periapsis
69.4407°
True anomaly
290.65949°
Mean anomaly
290.6727°
Eccentric anomaly
290.6661°
Mean motion
3.82903 °/min
Orbital period
94.02 mins
BSTAR
-0.000017698
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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 | 2026-07-07 05:24:56.284Z | 159.649° S | 2026-07-07 05:26:56.284Z | 120.771° SE | 16.241° | 2026-07-07 05:28:56.284Z | 86.899° E |
| 5 mins | 2026-07-07 07:01:56.284Z | 252.726° W | 2026-07-07 07:03:56.284Z | 312.185° NW | 38.739° | 2026-07-07 07:06:56.284Z | 39.287° NE |
| 5 mins | 2026-07-07 11:57:56.284Z | 334.978° NNW | 2026-07-07 12:00:56.284Z | 32.85° NE | 19.869° | 2026-07-07 12:02:56.284Z | 70.872° E |
| 5 mins | 2026-07-07 13:36:56.284Z | 297.095° NW | 2026-07-07 13:38:56.284Z | 199.438° SSW | 41.616° | 2026-07-07 13:41:56.284Z | 142.176° 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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