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, 4.4 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-1231
1 45212U 20012AL 25260.76990812 .00020354 00000-0 12991-2 0 9994
2 45212 53.0523 82.4803 0003568 151.0300 209.0888 15.08668569309013Epoch: 2025-09-17T18:28Z
TLE epoch observation values (Epoch: 2025-09-17T18:28:40.061Z)
Latitude
-0.00007°
Longitude
168.37223°
Altitude
543.305 km
Speed
7.591 km/s
True Right ascension
05h 29m 55s
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
18:01:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
543.007 km
Perigee altitude
538.07 km
Semi-major axis
6,918.676 km
Eccentricity
0.00036
Inclination
53.0523°
RAAN
82.4803°
Arg. of periapsis
151.03°
True anomaly
209.06893°
Mean anomaly
209.0888°
Eccentric anomaly
209.07886°
Mean motion
3.77145 °/min
Orbital period
95.45 mins
BSTAR
0.0012991
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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 | 2025-09-19 13:33:29.281Z | 179.706° S | 2025-09-19 13:36:29.281Z | 121.641° SE | 22.967° | 2025-09-19 13:39:29.281Z | 73.973° E |
| 6 mins | 2025-09-19 15:12:29.281Z | 257.886° W | 2025-09-19 15:15:29.281Z | 333.665° NNW | 35.405° | 2025-09-19 15:18:29.281Z | 36.679° NE |
| 5 mins | 2025-09-19 20:14:29.281Z | 339.074° N | 2025-09-19 20:16:29.281Z | 23.58° NE | 27.126° | 2025-09-19 20:19:29.281Z | 86.094° E |
| 6 mins | 2025-09-19 21:53:29.281Z | 290.329° WNW | 2025-09-19 21:56:29.281Z | 209.096° SW | 33.603° | 2025-09-19 21:59:29.281Z | 156.697° SSE |
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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