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

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Identifier

46685, 2020-073R

Orbit

LEO

Country

Related business

SpaceX (US)

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 (5 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   26059.95679344  .00099030  00000-0  15361-2 0  9999
2 46685  53.0538 285.4857 0002047 181.6885 178.4117 15.53222630295749

Epoch: 2026-02-28T22:57Z

TLE epoch observation values (Epoch: 2026-02-28T22:57:46.953Z)

Latitude

-0.00007°

Longitude

142.26854°

Altitude

409.61 km

Speed

7.666 km/s

True Right ascension

19h 01m 56s

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

09:38:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

408.989 km

Perigee altitude

406.211 km

Semi-major axis

6,785.737 km

Eccentricity

0.0002

Inclination

53.0538°

RAAN

285.4857°

Arg. of periapsis

181.6885°

True anomaly

178.41235°

Mean anomaly

178.4117°

Eccentric anomaly

178.41203°

Mean motion

3.88282 °/min

Orbital period

92.72 mins

BSTAR

0.0015361

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

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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.
6 mins	2026-03-01 17:40:11.550Z	228.133° WSW	2026-03-01 17:43:11.550Z	197.309° SSW	44.877°	2026-03-01 17:46:11.550Z	50.821° ENE
5 mins	2026-03-02 00:10:11.550Z	320.642° NNW	2026-03-02 00:12:11.550Z	38.055° NE	41.587°	2026-03-02 00:15:11.550Z	119.407° SE

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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.

STARLINK-1781, 46685

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-28T22:57:46.953Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-1781 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-1781, 46685 on other resources

Documentation

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