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STARLINK-1623, 46129

Orbit data source: Space-Track

STARLINK-1623, 46129 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 18 Aug 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/46129?theme=dark&initialShowStats=false

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Identifier

46129, 2020-057N

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)

2020-08-18 (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: 14 hours ago

TLE from 14 hours ago

0 STARLINK-1623
1 46129U 20057N   26142.73263858  .00084834  00000-0  65837-3 0  9992
2 46129  53.0425 254.2291 0003732 338.8863  21.1999 15.71103261318495

Epoch: 2026-05-22T17:34Z

TLE epoch observation values (Epoch: 2026-05-22T17:34:59.973Z)

Latitude

-0.00004°

Longitude

110.11992°

Altitude

354.303 km

Speed

7.699 km/s

True Right ascension

16h 56m 54s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

16:31:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

358.536 km

Perigee altitude

353.51 km

Semi-major axis

6,734.16 km

Eccentricity

0.00037

Inclination

53.0425°

RAAN

254.2291°

Arg. of periapsis

338.8863°

True anomaly

21.21537°

Mean anomaly

21.1999°

Eccentric anomaly

21.20764°

Mean motion

3.92752 °/min

Orbital period

91.66 mins

BSTAR

0.00065837

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Computing Atmospheric mass density...

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Other satellites on launch #57 in the year 2020 (2020-08-18 UTC)

STARLINK-1599, 46143 (Decayed)

STARLINK-1594, 46140 (Decayed)

STARLINK-1603, 46162 (Decayed)

SKYSAT C19, 46235 (Decayed)

STARLINK-1638, 46134 (Decayed)

STARLINK-1588, 46118 (Decayed)

STARLINK-1636, 46153 (Decayed)

STARLINK-1590, 46138 (Decayed)

STARLINK-1619, 46126 (Decayed)

SKYSAT C18, 46180 (Decayed)

STARLINK-1615, 46166 (Decayed)

STARLINK-1585, 46117 (Decayed)

STARLINK-1639, 46135 (Decayed)

STARLINK-1595, 46159

STARLINK-1610, 46163 (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-1623 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	2026-05-23 10:35:22.451Z	256.077° W	2026-05-23 10:37:22.451Z	354.167° N	35.137°	2026-05-23 10:39:22.451Z	38.323° NE

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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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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

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

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Check out STARLINK-1623, 46129 on other resources

View STARLINK-1623, 46129 on NASA - NSSDCA Website

View STARLINK-1623, 46129 on Heavens-Above

View STARLINK-1623, 46129 on Keep Track

View STARLINK-1623, 46129 on Celestrak

View STARLINK-1623, 46129 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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