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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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Iframe URL

https://www.satcat.com/sats-embedded/46718?theme=dark&initialShowStats=false

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Identifier

46718, 2020-073BA

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: 13 hours ago

TLE from 13 hours ago

0 STARLINK-1821
1 46718U 20073BA  26246.94809919  .00103368  00000-0  95181-3 0  9995
2 46718  53.0354  89.5731 0003577 143.3124 216.8137 15.66860385325018

Epoch: 2026-09-03T22:45Z

TLE epoch observation values (Epoch: 2026-09-03T22:45:15.770Z)

Latitude

0.00005°

Longitude

125.17847°

Altitude

370.726 km

Speed

7.687 km/s

True Right ascension

05h 58m 17s

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

03:25:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

370.588 km

Perigee altitude

365.761 km

Semi-major axis

6,746.311 km

Eccentricity

0.00036

Inclination

53.0354°

RAAN

89.5731°

Arg. of periapsis

143.3124°

True anomaly

216.78915°

Mean anomaly

216.8137°

Eccentric anomaly

216.80142°

Mean motion

3.91691 °/min

Orbital period

91.91 mins

BSTAR

0.00095181

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

STARLINK-1803, 46703 (Decayed)

STARLINK-1816, 46714 (Decayed)

STARLINK-1814, 46712 (Decayed)

STARLINK-1802, 46702

STARLINK-1788, 46689 (Decayed)

STARLINK-1775, 46681 (Decayed)

STARLINK-1786, 46688 (Decayed)

STARLINK-1827, 46724 (Decayed)

STARLINK-1780, 46684 (Decayed)

STARLINK-1813, 46711 (Decayed)

STARLINK-1789, 46690 (Decayed)

STARLINK-1790, 46691 (Decayed)

STARLINK-1731, 46676 (Decayed)

STARLINK-1794, 46695 (Decayed)

STARLINK-1823, 46720 (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-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	2026-09-04 15:45:24.868Z	196.037° SSW	2026-09-04 15:47:24.868Z	151.633° SSE	26.677°	2026-09-04 15:50:24.868Z	69.719° E

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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-1821, 46718 on other resources

View STARLINK-1821, 46718 on NASA - NSSDCA Website

View STARLINK-1821, 46718 on Heavens-Above

View STARLINK-1821, 46718 on Keep Track

View STARLINK-1821, 46718 on Celestrak

View STARLINK-1821, 46718 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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