STARLINK-4277, 53009
Orbit data source: Space-Track
STARLINK-4277, 53009 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 07 Jul 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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-4277
1 53009U 22076Z 25343.68476551 .00000502 00000-0 49610-4 0 9994
2 53009 53.2163 128.1681 0001287 89.8254 270.2886 15.08847580189399Epoch: 2025-12-09T16:26Z
TLE epoch observation values (Epoch: 2025-12-09T16:26:03.740Z)
Latitude
0.00003°
Longitude
162.98663°
Altitude
540.613 km
Speed
7.593 km/s
True Right ascension
08h 32m 40s
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
00:48:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.856 km
Perigee altitude
539.075 km
Semi-major axis
6,918.102 km
Eccentricity
0.00013
Inclination
53.2163°
RAAN
128.1681°
Arg. of periapsis
89.8254°
True anomaly
270.27385°
Mean anomaly
270.2886°
Eccentric anomaly
270.28123°
Mean motion
3.77192 °/min
Orbital period
95.44 mins
BSTAR
0.00004961
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Other satellites on launch #76 in the year 2022 (2022-07-07 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-4277 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 | 2025-12-10 11:39:46.325Z | 189.693° SSW | 2025-12-10 11:42:46.325Z | 133.614° SE | 27.027° | 2025-12-10 11:45:46.325Z | 73.88° E |
| 6 mins | 2025-12-10 13:19:46.325Z | 269.203° W | 2025-12-10 13:21:46.325Z | 314.786° NW | 31.538° | 2025-12-10 13:25:46.325Z | 37.102° NE |
| 6 mins | 2025-12-10 18:20:46.325Z | 332.249° NNW | 2025-12-10 18:23:46.325Z | 41.947° NE | 28.942° | 2025-12-10 18:26:46.325Z | 94.707° ESE |
| 5 mins | 2025-12-10 20:00:46.325Z | 279.772° WNW | 2025-12-10 20:02:46.325Z | 227.784° WSW | 30.744° | 2025-12-10 20:05:46.325Z | 165.165° S |
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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