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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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Iframe URL

https://www.satcat.com/sats-embedded/46685?theme=dark&initialShowStats=false

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Identifier

46685, 2020-073R

Orbit

LEO

Country

US

Related business

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2020-10-18 (6 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 10.1 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 STARLINK-1781
1 46685U 20073R   26168.80390130  .00106960  00000-0  70654-3 0  9995
2 46685  53.0423 111.6118 0003012  36.7772 323.3453 15.74791254312784

Epoch: 2026-06-17T19:17Z

TLE epoch observation values (Epoch: 2026-06-17T19:17:37.072Z)

Latitude

0.00001°

Longitude

-83.84899°

Altitude

344.505 km

Speed

7.704 km/s

True Right ascension

07h 26m 26s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:25:53

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

347.531 km

Perigee altitude

343.481 km

Semi-major axis

6,723.643 km

Eccentricity

0.0003

Inclination

53.0423°

RAAN

111.6118°

Arg. of periapsis

36.7772°

True anomaly

323.32469°

Mean anomaly

323.3453°

Eccentric anomaly

323.33499°

Mean motion

3.93674 °/min

Orbital period

91.45 mins

BSTAR

0.00070654

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Other satellites on launch #73 in the year 2020 (2020-10-18 UTC)

STARLINK-1809, 46708 (Decayed)

STARLINK-1716, 46672

STARLINK-1789, 46690 (Decayed)

STARLINK-1799, 46699 (Decayed)

STARLINK-1800, 46700 (Decayed)

STARLINK-1801, 46701 (Decayed)

STARLINK-1818, 46716 (Decayed)

STARLINK-1822, 46719 (Decayed)

STARLINK-1829, 46726 (Decayed)

STARLINK-1811, 46710 (Decayed)

STARLINK-1775, 46681 (Decayed)

STARLINK-1788, 46689

STARLINK-1802, 46702

STARLINK-1803, 46703 (Decayed)

STARLINK-1814, 46712 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

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.
4 mins	2026-06-18 22:54:55.867Z	238.156° WSW	2026-06-18 22:55:55.867Z	266.354° W	43.119°	2026-06-18 22:58:55.867Z	47.674° ENE

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARLINK-1781, 46685 on other resources

View STARLINK-1781, 46685 on NASA - NSSDCA Website

View STARLINK-1781, 46685 on Heavens-Above

View STARLINK-1781, 46685 on Keep Track

View STARLINK-1781, 46685 on Celestrak

View STARLINK-1781, 46685 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

Documentation

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