STARLINK-3915, 52581
Orbit data source: Space-Track
STARLINK-3915, 52581 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 13 May 2022 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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52581 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-3915
1 52581U 22051AX 26171.28007872 -.00001224 00000-0 -58811-4 0 9990
2 52581 53.1597 18.4596 0001129 97.1694 262.9426 15.08836175227078Epoch: 2026-06-20T06:43Z
TLE epoch observation values (Epoch: 2026-06-20T06:43:18.801Z)
Latitude
-0°
Longitude
9.13429°
Altitude
540.742 km
Speed
7.593 km/s
True Right ascension
01h 13m 50s
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
21:33:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.79 km
Perigee altitude
539.228 km
Semi-major axis
6,918.146 km
Eccentricity
0.00011
Inclination
53.1597°
RAAN
18.4596°
Arg. of periapsis
97.1694°
True anomaly
262.92976°
Mean anomaly
262.9426°
Eccentric anomaly
262.93618°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
-0.000058811
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Other satellites on launch #51 in the year 2022 (2022-05-13 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-3915 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 14:30:51.806Z | 154.594° SSE | 2026-06-22 14:32:51.806Z | 123.763° SE | 13.639° | 2026-06-22 14:34:51.806Z | 93.808° ESE |
| 6 mins | 2026-06-22 16:08:51.806Z | 236.512° WSW | 2026-06-22 16:11:51.806Z | 0.384° NNE | 43.694° | 2026-06-22 16:14:51.806Z | 46.428° ENE |
| 4 mins | 2026-06-22 17:49:51.806Z | 309.38° NW | 2026-06-22 17:51:51.806Z | 346.981° N | 17.97° | 2026-06-22 17:53:51.806Z | 20.118° NNE |
| 5 mins | 2026-06-22 21:10:51.806Z | 346.072° N | 2026-06-22 21:12:51.806Z | 25.269° NE | 20.415° | 2026-06-22 21:15:51.806Z | 74.327° E |
| 6 mins | 2026-06-22 22:49:51.806Z | 307.035° NW | 2026-06-22 22:52:51.806Z | 159.321° S | 43.537° | 2026-06-22 22:55:51.806Z | 135.145° 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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