STARLINK-5138, 54078
Orbit data source: Space-Track
STARLINK-5138, 54078 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 2022 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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54078 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
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5138
1 54078U 22136AD 25261.25011574 .01263303 00000-0 51751-1 0 9997
2 54078 53.2187 17.8209 0001688 84.6829 70.7810 15.20749294 5808Epoch: 2025-09-18T06:00Z
TLE epoch observation values (Epoch: 2025-09-18T06:00:09.999Z)
Latitude
19.45148°
Longitude
95.14239°
Altitude
503.627 km
Speed
7.616 km/s
True Right ascension
12h 10m 23s
True Declination
19° 20' 23"
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
05:03:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
504.987 km
Perigee altitude
502.664 km
Semi-major axis
6,881.962 km
Eccentricity
0.00017
Inclination
53.2187°
RAAN
17.8209°
Arg. of periapsis
84.6829°
True anomaly
70.79927°
Mean anomaly
70.781°
Eccentric anomaly
70.79013°
Mean motion
3.80167 °/min
Orbital period
94.7 mins
BSTAR
0.051751
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Other satellites on launch #136 in the year 2022 (2022-10-20 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-5138 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 | 2025-09-18 16:51:19.934Z | 340.162° N | 2025-09-18 16:53:19.934Z | 43.891° NE | 31.773° | 2025-09-18 16:56:19.934Z | 101.329° ESE |
| 5 mins | 2025-09-18 18:29:19.934Z | 275.802° WNW | 2025-09-18 18:31:19.934Z | 231.496° WSW | 24.47° | 2025-09-18 18:34:19.934Z | 173.313° S |
| 5 mins | 2025-09-19 09:52:19.934Z | 184.403° SSW | 2025-09-19 09:54:19.934Z | 114.999° SE | 31.829° | 2025-09-19 09:57:19.934Z | 64.064° ENE |
| 5 mins | 2025-09-19 11:30:19.934Z | 282.798° WNW | 2025-09-19 11:32:19.934Z | 331.203° NNW | 25.988° | 2025-09-19 11:35:19.934Z | 30.246° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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