STARLINK-1221, 45227
Orbit data source: Space-Track
STARLINK-1221, 45227 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 17 Feb 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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45227 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-1221
1 45227U 20012BB 25288.57778792 .00018545 00000-0 52922-3 0 9998
2 45227 53.0676 234.2221 0001582 289.8793 70.2039 15.36103427314367Epoch: 2025-10-15T13:52Z
TLE epoch observation values (Epoch: 2025-10-15T13:52:00.876Z)
Latitude
0.00002°
Longitude
1.86861°
Altitude
458.171 km
Speed
7.639 km/s
True Right ascension
15h 36m 53s
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
19:10:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
458.998 km
Perigee altitude
456.836 km
Semi-major axis
6,836.054 km
Eccentricity
0.00016
Inclination
53.0676°
RAAN
234.2221°
Arg. of periapsis
289.8793°
True anomaly
70.22096°
Mean anomaly
70.2039°
Eccentric anomaly
70.21243°
Mean motion
3.84003 °/min
Orbital period
93.75 mins
BSTAR
0.00052922
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Other satellites on launch #12 in the year 2020 (2020-02-17 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-1221 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-10-16 01:04:05.296Z | 301.012° NW | 2025-10-16 01:06:05.296Z | 339.276° N | 16.764° | 2025-10-16 01:08:05.296Z | 16.801° NNE |
| 6 mins | 2025-10-16 05:59:05.296Z | 314.253° NW | 2025-10-16 06:01:05.296Z | 336.247° NNW | 41.596° | 2025-10-16 06:05:05.296Z | 125.728° SE |
| 5 mins | 2025-10-16 22:51:05.296Z | 216.144° SW | 2025-10-16 22:53:05.296Z | 112.495° ESE | 42.92° | 2025-10-16 22:56:05.296Z | 54.857° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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