STARLINK-1821, 46718
Orbit data source: Space-Track
STARLINK-1821, 46718 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 18 Oct 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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46718 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-1821
1 46718U 20073BA 26306.91668980 .00160307 00000-0 66845-3 0 9991
2 46718 53.0273 150.8944 0004229 193.0279 117.8116 15.84711603 5980Epoch: 2026-11-02T22:00Z
TLE epoch observation values (Epoch: 2026-11-02T22:00:01.998Z)
Latitude
-37.37055°
Longitude
103.82945°
Altitude
330.526 km
Speed
7.709 km/s
True Right ascension
07h 44m 05s
True Declination
-37° 11' 39"
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
09:22:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
320.253 km
Perigee altitude
314.59 km
Semi-major axis
6,695.558 km
Eccentricity
0.00042
Inclination
53.0273°
RAAN
150.8944°
Arg. of periapsis
193.0279°
True anomaly
117.85445°
Mean anomaly
117.8116°
Eccentric anomaly
117.83303°
Mean motion
3.96153 °/min
Orbital period
90.87 mins
BSTAR
0.00066845
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Other satellites on launch #73 in the year 2020 (2020-10-18 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-1821 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-11-03 16:33:19.930Z | 232.975° WSW | 2026-11-03 16:35:19.930Z | 249.035° W | 61.441° | 2026-11-03 16:38:19.930Z | 48.07° ENE |
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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