STARLINK-1781, 46685
Orbit data source: Space-Track
STARLINK-1781, 46685 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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46685 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-1781
1 46685U 20073R 26013.66670139 .00502076 00000-0 28327-1 0 9994
2 46685 53.0548 143.8300 0001444 81.7880 49.5733 15.10583768 5752Epoch: 2026-01-13T16:00Z
TLE epoch observation values (Epoch: 2026-01-13T16:00:03.000Z)
Latitude
36.97027°
Longitude
-63.5915°
Altitude
536.727 km
Speed
7.599 km/s
True Right ascension
19h 18m 16s
True Declination
36° 47' 60"
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
03:42:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
535.688 km
Perigee altitude
533.691 km
Semi-major axis
6,912.827 km
Eccentricity
0.00014
Inclination
53.0548°
RAAN
143.83°
Arg. of periapsis
81.788°
True anomaly
49.5859°
Mean anomaly
49.5733°
Eccentric anomaly
49.5796°
Mean motion
3.77624 °/min
Orbital period
95.33 mins
BSTAR
0.028327
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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-1781 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-01-14 10:37:12.648Z | 202.075° SSW | 2026-01-14 10:41:12.648Z | 121.979° SE | 31.754° | 2026-01-14 10:44:12.648Z | 66.724° ENE |
| 5 mins | 2026-01-14 12:18:12.648Z | 281.948° WNW | 2026-01-14 12:20:12.648Z | 332.361° NNW | 28.274° | 2026-01-14 12:23:12.648Z | 31.347° NE |
| 6 mins | 2026-01-14 17:18:12.648Z | 328.117° NNW | 2026-01-14 17:21:12.648Z | 45.777° ENE | 33.031° | 2026-01-14 17:24:12.648Z | 101.902° ESE |
| 5 mins | 2026-01-14 18:58:12.648Z | 269.595° W | 2026-01-14 19:00:12.648Z | 221.749° SW | 24.8° | 2026-01-14 19:03:12.648Z | 171.264° 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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