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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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: 3 days ago
TLE from 3 days ago
0 STARLINK-4277
1 53009U 22076Z 26170.91345892 -.00000355 00000-0 -42299-5 0 9997
2 53009 53.1599 345.1057 0001312 90.5303 269.5839 15.08836340218419Epoch: 2026-06-19T21:55Z
TLE epoch observation values (Epoch: 2026-06-19T21:55:22.850Z)
Latitude
-0.00001°
Longitude
108.12487°
Altitude
540.653 km
Speed
7.593 km/s
True Right ascension
23h 00m 25s
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
21:35:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.916 km
Perigee altitude
539.101 km
Semi-major axis
6,918.146 km
Eccentricity
0.00013
Inclination
53.1599°
RAAN
345.1057°
Arg. of periapsis
90.5303°
True anomaly
269.56887°
Mean anomaly
269.5839°
Eccentric anomaly
269.57638°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
-0.0000042299
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Other satellites on launch #76 in the year 2022 (2022-07-07 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-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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 13:41:53.398Z | 228.998° WSW | 2026-06-22 13:44:53.398Z | 45.377° ENE | 44.998° | 2026-06-22 13:48:53.398Z | 50.132° ENE |
| 4 mins | 2026-06-22 15:22:53.398Z | 303.943° NW | 2026-06-22 15:24:53.398Z | 342.673° N | 19.412° | 2026-06-22 15:26:53.398Z | 18.231° NNE |
| 4 mins | 2026-06-22 18:44:53.398Z | 0.239° NNE | 2026-06-22 18:45:53.398Z | 20.38° NNE | 18.954° | 2026-06-22 18:48:53.398Z | 69.314° E |
| 6 mins | 2026-06-22 20:22:53.398Z | 311.678° NW | 2026-06-22 20:25:53.398Z | 88.588° E | 44.738° | 2026-06-22 20:28:53.398Z | 128.49° 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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