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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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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-1231
1 45212U 20012AL 26138.45661145 .00021549 00000-0 82622-3 0 9995
2 45212 53.0382 53.8954 0003997 43.7573 316.3741 15.26461749345864Epoch: 2026-05-18T10:57Z
TLE epoch observation values (Epoch: 2026-05-18T10:57:31.229Z)
Latitude
0.00001°
Longitude
13.37068°
Altitude
485.299 km
Speed
7.625 km/s
True Right ascension
03h 35m 34s
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
00:29:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
489.419 km
Perigee altitude
483.931 km
Semi-major axis
6,864.812 km
Eccentricity
0.0004
Inclination
53.0382°
RAAN
53.8954°
Arg. of periapsis
43.7573°
True anomaly
316.34249°
Mean anomaly
316.3741°
Eccentric anomaly
316.35829°
Mean motion
3.81593 °/min
Orbital period
94.34 mins
BSTAR
0.00082622
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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 | 2026-05-18 20:32:18.125Z | 198.815° SSW | 2026-05-18 20:35:18.125Z | 144.759° SSE | 29.343° | 2026-05-18 20:38:18.125Z | 71.706° E |
| 4 mins | 2026-05-18 22:12:18.125Z | 287.738° WNW | 2026-05-18 22:13:18.125Z | 313.569° NW | 26.732° | 2026-05-18 22:16:18.125Z | 27.047° NE |
| 5 mins | 2026-05-19 03:09:18.125Z | 335.213° NNW | 2026-05-19 03:11:18.125Z | 25.678° NE | 30.07° | 2026-05-19 03:14:18.125Z | 95.39° ESE |
| 5 mins | 2026-05-19 04:47:18.125Z | 280.029° WNW | 2026-05-19 04:49:18.125Z | 236.198° WSW | 26.028° | 2026-05-19 04:52:18.125Z | 171.059° S |
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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