STARLINK-1277, 45369
Orbit data source: Space-Track
STARLINK-1277, 45369 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 18 Mar 2020 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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45369 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 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: 1 day ago
TLE from 1 day ago
0 STARLINK-1277
1 45369U 20019K 25312.52792894 .00012344 00000-0 84590-3 0 9991
2 45369 53.0543 351.1616 0001654 91.6498 268.4680 15.06411331311469Epoch: 2025-11-08T12:40Z
TLE epoch observation values (Epoch: 2025-11-08T12:40:13.060Z)
Latitude
-0.00005°
Longitude
113.15089°
Altitude
548.087 km
Speed
7.589 km/s
True Right ascension
23h 24m 38s
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
19:06:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.593 km
Perigee altitude
546.302 km
Semi-major axis
6,925.585 km
Eccentricity
0.00017
Inclination
53.0543°
RAAN
351.1616°
Arg. of periapsis
91.6498°
True anomaly
268.44905°
Mean anomaly
268.468°
Eccentric anomaly
268.45853°
Mean motion
3.76581 °/min
Orbital period
95.6 mins
BSTAR
0.0008459
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Other satellites on launch #19 in the year 2020 (2020-03-18 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-1277 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 | 2025-11-10 04:38:04.405Z | 207.845° SW | 2025-11-10 04:42:04.405Z | 112.103° ESE | 35.875° | 2025-11-10 04:45:04.405Z | 62.075° ENE |
| 5 mins | 2025-11-10 06:19:04.405Z | 283.908° WNW | 2025-11-10 06:21:04.405Z | 326.039° NNW | 25.891° | 2025-11-10 06:24:04.405Z | 27.114° NE |
| 5 mins | 2025-11-10 11:21:04.405Z | 330.885° NNW | 2025-11-10 11:23:04.405Z | 34.851° NE | 37.734° | 2025-11-10 11:26:04.405Z | 107.178° ESE |
| 4 mins | 2025-11-10 13:01:04.405Z | 257.894° W | 2025-11-10 13:02:04.405Z | 237.115° WSW | 20.96° | 2025-11-10 13:05:04.405Z | 183.463° SSW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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