STARLINK-1231, 45212
Orbit data source: Space-Track
STARLINK-1231, 45212 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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45212 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-1231
1 45212U 20012AL 25308.47101179 .00018802 00000-0 10801-2 0 9998
2 45212 53.0510 226.9156 0006975 60.0939 300.0745 15.12540511316223Epoch: 2025-11-04T11:18Z
TLE epoch observation values (Epoch: 2025-11-04T11:18:15.418Z)
Latitude
-0.00001°
Longitude
13.39379°
Altitude
526.925 km
Speed
7.602 km/s
True Right ascension
15h 07m 39s
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
13:03:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
533.545 km
Perigee altitude
523.91 km
Semi-major axis
6,906.864 km
Eccentricity
0.0007
Inclination
53.051°
RAAN
226.9156°
Arg. of periapsis
60.0939°
True anomaly
300.0053°
Mean anomaly
300.0745°
Eccentric anomaly
300.0399°
Mean motion
3.78113 °/min
Orbital period
95.21 mins
BSTAR
0.0010801
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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-1231 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 | 2025-11-04 20:58:58.127Z | 199.531° SSW | 2025-11-04 21:01:58.127Z | 128.672° SE | 33.459° | 2025-11-04 21:04:58.127Z | 66.332° ENE |
| 5 mins | 2025-11-04 22:38:58.127Z | 282.235° WNW | 2025-11-04 22:40:58.127Z | 329.236° NNW | 27.049° | 2025-11-04 22:43:58.127Z | 29.811° NE |
| 6 mins | 2025-11-05 03:38:58.127Z | 328.147° NNW | 2025-11-05 03:41:58.127Z | 52.727° ENE | 33.587° | 2025-11-05 03:44:58.127Z | 104.631° ESE |
| 4 mins | 2025-11-05 05:18:58.127Z | 264.633° W | 2025-11-05 05:20:58.127Z | 216.94° SW | 23.022° | 2025-11-05 05:22:58.127Z | 180.741° 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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