STARLINK-4138, 53535
Orbit data source: Space-Track
STARLINK-4138, 53535 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 19 Aug 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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53535 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
300 kg wet, ~290 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: 3 days ago
TLE from 3 days ago
0 STARLINK-4138
1 53535U 22101J 26170.73773310 .00000187 00000-0 29821-4 0 9996
2 53535 53.1600 335.8974 0000642 50.1980 309.9068 15.08836582211579Epoch: 2026-06-19T17:42Z
TLE epoch observation values (Epoch: 2026-06-19T17:42:20.139Z)
Latitude
-0.00003°
Longitude
162.35106°
Altitude
540.36 km
Speed
7.594 km/s
True Right ascension
22h 23m 35s
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
21:26:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.452 km
Perigee altitude
539.564 km
Semi-major axis
6,918.145 km
Eccentricity
0.00006
Inclination
53.16°
RAAN
335.8974°
Arg. of periapsis
50.198°
True anomaly
309.90116°
Mean anomaly
309.9068°
Eccentric anomaly
309.90398°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000029821
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Other satellites on launch #101 in the year 2022 (2022-08-19 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-4138 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 12:38:09.296Z | 212.049° SW | 2026-06-22 12:42:09.296Z | 106.42° ESE | 38.116° | 2026-06-22 12:45:09.296Z | 59.322° ENE |
| 5 mins | 2026-06-22 14:19:09.296Z | 288.814° WNW | 2026-06-22 14:21:09.296Z | 330.875° NNW | 24.148° | 2026-06-22 14:24:09.296Z | 27.399° NE |
| 6 mins | 2026-06-22 19:20:09.296Z | 325.466° NNW | 2026-06-22 19:22:09.296Z | 13.242° NNE | 38.273° | 2026-06-22 19:26:09.296Z | 113.253° SE |
| 4 mins | 2026-06-22 21:00:09.296Z | 259.639° W | 2026-06-22 21:01:09.296Z | 240.539° WSW | 19.056° | 2026-06-22 21:04:09.296Z | 187.704° SSW |
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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