STARLINK-4740, 53871
Orbit data source: Space-Track
STARLINK-4740, 53871 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 19 Sep 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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53871 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
305 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: 2 days ago
TLE from 2 days ago
0 STARLINK-4740
1 53871U 22114BF 26171.26852971 -.00000115 00000-0 10872-4 0 9991
2 53871 53.1591 163.1328 0001203 83.9437 276.1691 15.08831594208886Epoch: 2026-06-20T06:26Z
TLE epoch observation values (Epoch: 2026-06-20T06:26:40.966Z)
Latitude
-0.00008°
Longitude
157.97646°
Altitude
540.571 km
Speed
7.593 km/s
True Right ascension
10h 52m 31s
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
21:34:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.856 km
Perigee altitude
539.191 km
Semi-major axis
6,918.16 km
Eccentricity
0.00012
Inclination
53.1591°
RAAN
163.1328°
Arg. of periapsis
83.9437°
True anomaly
276.15539°
Mean anomaly
276.1691°
Eccentric anomaly
276.16225°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.000010872
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Other satellites on launch #114 in the year 2022 (2022-09-19 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-4740 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 | 2026-06-23 01:22:59.103Z | 224.927° SW | 2026-06-23 01:26:59.103Z | 86.442° E | 44.046° | 2026-06-23 01:29:59.103Z | 52.443° ENE |
| 4 mins | 2026-06-23 03:04:59.103Z | 306.42° NW | 2026-06-23 03:05:59.103Z | 326.041° NNW | 20.097° | 2026-06-23 03:08:59.103Z | 22.03° NNE |
| 4 mins | 2026-06-23 06:25:59.103Z | 348.237° N | 2026-06-23 06:27:59.103Z | 25.353° NE | 17.996° | 2026-06-23 06:29:59.103Z | 59.107° ENE |
| 6 mins | 2026-06-23 08:04:59.103Z | 315.043° NNW | 2026-06-23 08:07:59.103Z | 89.711° E | 42.969° | 2026-06-23 08:10:59.103Z | 124.466° SE |
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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