STARLINK-3899, 52457
Orbit data source: Space-Track
STARLINK-3899, 52457 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 06 May 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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52457 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, ~220 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-3899
1 52457U 22049G 26171.16691412 .00000450 00000-0 46370-4 0 9990
2 52457 53.1606 328.9570 0001172 83.8235 276.2890 15.08836183227581Epoch: 2026-06-20T04:00Z
TLE epoch observation values (Epoch: 2026-06-20T04:00:21.379Z)
Latitude
-0.00004°
Longitude
0.48246°
Altitude
540.558 km
Speed
7.593 km/s
True Right ascension
21h 55m 49s
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
00:54:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.82 km
Perigee altitude
539.198 km
Semi-major axis
6,918.146 km
Eccentricity
0.00012
Inclination
53.1606°
RAAN
328.957°
Arg. of periapsis
83.8235°
True anomaly
276.27565°
Mean anomaly
276.289°
Eccentric anomaly
276.28233°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.00004637
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Other satellites on launch #49 in the year 2022 (2022-05-06 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-3899 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 18:28:51.431Z | 333.087° NNW | 2026-06-22 18:31:51.431Z | 42.573° NE | 28.192° | 2026-06-22 18:34:51.431Z | 93.725° ESE |
| 5 mins | 2026-06-22 20:08:51.431Z | 280.743° WNW | 2026-06-22 20:10:51.431Z | 226.635° WSW | 31.854° | 2026-06-22 20:13:51.431Z | 163.177° S |
| 6 mins | 2026-06-23 11:39:51.431Z | 189.21° SSW | 2026-06-23 11:41:51.431Z | 143.314° SSE | 31.053° | 2026-06-23 11:45:51.431Z | 64.818° ENE |
| 6 mins | 2026-06-23 13:18:51.431Z | 272.051° WNW | 2026-06-23 13:21:51.431Z | 341.521° N | 28.566° | 2026-06-23 13:24:51.431Z | 33.59° NE |
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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