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: 1 day ago
TLE from 1 day ago
0 STARLINK-1821
1 46718U 20073BA 26238.01289339 .00130187 00000-0 12900-2 0 9998
2 46718 53.0365 133.4978 0005250 98.5059 261.6551 15.64911214323618Epoch: 2026-08-26T00:18Z
TLE epoch observation values (Epoch: 2026-08-26T00:18:33.988Z)
Latitude
0.00001°
Longitude
154.5842°
Altitude
374.91 km
Speed
7.686 km/s
True Right ascension
08h 53m 59s
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
23:13:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
377.319 km
Perigee altitude
370.23 km
Semi-major axis
6,751.912 km
Eccentricity
0.00053
Inclination
53.0365°
RAAN
133.4978°
Arg. of periapsis
98.5059°
True anomaly
261.59558°
Mean anomaly
261.6551°
Eccentric anomaly
261.62534°
Mean motion
3.91204 °/min
Orbital period
92.02 mins
BSTAR
0.00129
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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 | 2026-08-27 19:24:33.757Z | 225.269° WSW | 2026-08-27 19:26:33.757Z | 168.755° S | 44.566° | 2026-08-27 19:29:33.757Z | 52.009° ENE |
| 4 mins | 2026-08-28 01:50:33.757Z | 324.957° NNW | 2026-08-28 01:52:33.757Z | 48.684° ENE | 38.167° | 2026-08-28 01:54:33.757Z | 110.808° ESE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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