STARLINK-3591, 51870
Orbit data source: Space-Track
STARLINK-3591, 51870 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 03 Mar 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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51870 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
297 kg wet, ~275 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-3591
1 51870U 22022U 26171.43002949 .00000720 00000-0 63294-4 0 9994
2 51870 53.1587 267.7842 0001118 90.5222 269.5897 15.08836817238678Epoch: 2026-06-20T10:19Z
TLE epoch observation values (Epoch: 2026-06-20T10:19:14.547Z)
Latitude
-0.00009°
Longitude
-155.67125°
Altitude
540.65 km
Speed
7.593 km/s
True Right ascension
17h 51m 08s
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
21:33:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.781 km
Perigee altitude
539.234 km
Semi-major axis
6,918.144 km
Eccentricity
0.00011
Inclination
53.1587°
RAAN
267.7842°
Arg. of periapsis
90.5222°
True anomaly
269.57689°
Mean anomaly
269.5897°
Eccentric anomaly
269.58329°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000063294
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Other satellites on launch #22 in the year 2022 (2022-03-03 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-3591 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 | 2026-06-22 13:38:44.731Z | 355.102° N | 2026-06-22 13:39:44.731Z | 13.478° NNE | 17.379° | 2026-06-22 13:42:44.731Z | 62.754° ENE |
| 6 mins | 2026-06-22 15:17:44.731Z | 319.101° NNW | 2026-06-22 15:19:44.731Z | 11.595° NNE | 42.803° | 2026-06-22 15:23:44.731Z | 122.222° SE |
| 6 mins | 2026-06-23 08:27:44.731Z | 231.357° WSW | 2026-06-23 08:30:44.731Z | 36.823° NE | 43.657° | 2026-06-23 08:33:44.731Z | 49.012° ENE |
| 4 mins | 2026-06-23 10:08:44.731Z | 310.255° NW | 2026-06-23 10:09:44.731Z | 329.116° NNW | 18.772° | 2026-06-23 10:12:44.731Z | 22.369° NNE |
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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