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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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, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 STARLINK-1821
1 46718U 20073BA 26037.16668981 .00008991 00000-0 28656-3 0 9998
2 46718 53.0509 14.5797 0006969 45.5837 329.8709 15.33290943 5838Epoch: 2026-02-06T04:00Z
TLE epoch observation values (Epoch: 2026-02-06T04:00:01.999Z)
Latitude
12.26085°
Longitude
-172.38193°
Altitude
462.002 km
Speed
7.64 km/s
True Right ascension
01h 35m 44s
True Declination
12° 11' 12"
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
11:51:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.046 km
Perigee altitude
461.506 km
Semi-major axis
6,844.413 km
Eccentricity
0.0007
Inclination
53.0509°
RAAN
14.5797°
Arg. of periapsis
45.5837°
True anomaly
329.83078°
Mean anomaly
329.8709°
Eccentric anomaly
329.85085°
Mean motion
3.833 °/min
Orbital period
93.92 mins
BSTAR
0.00028656
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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 | 2026-02-07 00:26:10.030Z | 193.09° SSW | 2026-02-07 00:28:10.030Z | 151.158° SSE | 28.629° | 2026-02-07 00:31:10.030Z | 72.383° E |
| 4 mins | 2026-02-07 02:05:10.030Z | 294.378° NW | 2026-02-07 02:06:10.030Z | 323.545° NNW | 26.301° | 2026-02-07 02:09:10.030Z | 29.92° NE |
| 4 mins | 2026-02-07 07:01:10.030Z | 346.227° N | 2026-02-07 07:02:10.030Z | 13.822° NNE | 28.266° | 2026-02-07 07:05:10.030Z | 92.2° ESE |
| 5 mins | 2026-02-07 08:38:10.030Z | 278.959° WNW | 2026-02-07 08:40:10.030Z | 231.93° WSW | 25.883° | 2026-02-07 08:43:10.030Z | 169.004° 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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