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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-1231
1 45212U 20012AL 26192.41000844 .00015678 00000-0 54447-3 0 9994
2 45212 53.0330 163.3289 0002820 104.8926 255.2386 15.29949119354119Epoch: 2026-07-11T09:50Z
TLE epoch observation values (Epoch: 2026-07-11T09:50:24.729Z)
Latitude
0.00004°
Longitude
86.40226°
Altitude
477.343 km
Speed
7.628 km/s
True Right ascension
10h 53m 18s
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
15:49:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.174 km
Perigee altitude
474.308 km
Semi-major axis
6,854.378 km
Eccentricity
0.00028
Inclination
53.033°
RAAN
163.3289°
Arg. of periapsis
104.8926°
True anomaly
255.20735°
Mean anomaly
255.2386°
Eccentric anomaly
255.22298°
Mean motion
3.82464 °/min
Orbital period
94.13 mins
BSTAR
0.00054447
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-07-12 06:42:35.257Z | 349.729° N | 2026-07-12 06:43:35.257Z | 16.615° NNE | 26.636° | 2026-07-12 06:46:35.257Z | 88.423° E |
| 4 mins | 2026-07-12 08:20:35.257Z | 269.466° W | 2026-07-12 08:21:35.257Z | 240.07° WSW | 29.021° | 2026-07-12 08:24:35.257Z | 165.937° S |
| 4 mins | 2026-07-12 23:38:35.257Z | 163.982° S | 2026-07-12 23:39:35.257Z | 139.575° SSE | 22.914° | 2026-07-12 23:42:35.257Z | 77.401° E |
| 5 mins | 2026-07-13 01:15:35.257Z | 267.813° W | 2026-07-13 01:17:35.257Z | 322.388° NNW | 32.054° | 2026-07-13 01:20:35.257Z | 34.086° NE |
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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