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STARLINK-1635, 46172

Orbit data source: Space-Track

STARLINK-1635, 46172 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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Iframe URL

https://www.satcat.com/sats-embedded/46172?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

46172, 2020-057BH

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: 16 hours ago

TLE from 16 hours ago

0 STARLINK-1635
1 46172U 20057BH  26129.79095909  .00095533  00000-0  65912-3 0  9993
2 46172  53.0404 316.5950 0006160 204.9612 155.1109 15.73812839317734

Epoch: 2026-05-09T18:58Z

TLE epoch observation values (Epoch: 2026-05-09T18:58:58.865Z)

Latitude

-0.00002°

Longitude

164.24639°

Altitude

352.674 km

Speed

7.697 km/s

True Right ascension

21h 06m 22s

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

18:51:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

352.436 km

Perigee altitude

344.149 km

Semi-major axis

6,726.429 km

Eccentricity

0.00062

Inclination

53.0404°

RAAN

316.595°

Arg. of periapsis

204.9612°

True anomaly

155.14059°

Mean anomaly

155.1109°

Eccentric anomaly

155.12575°

Mean motion

3.93429 °/min

Orbital period

91.5 mins

BSTAR

0.00065912

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

STARLINK-1594, 46140 (Decayed)

STARLINK-1642, 46154 (Decayed)

SKYSAT C17, 46179 (Decayed)

STARLINK-1593, 46119 (Decayed)

STARLINK-1637, 46133 (Decayed)

STARLINK-1627, 46168

STARLINK-1610, 46163 (Decayed)

STARLINK-1589, 46158 (Decayed)

STARLINK-1586, 46137 (Decayed)

STARLINK-1598, 46160

STARLINK-1641, 46174

STARLINK-1606, 46144

STARLINK-1626, 46167

STARLINK-1585, 46117 (Decayed)

STARLINK-1604, 46122 (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-1635 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	2026-05-10 14:58:33.750Z	218.411° SW	2026-05-10 15:00:33.750Z	172.62° S	41.023°	2026-05-10 15:03:33.750Z	55.779° 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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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-1635, 46172 on other resources

View STARLINK-1635, 46172 on NASA - NSSDCA Website

View STARLINK-1635, 46172 on Heavens-Above

View STARLINK-1635, 46172 on Keep Track

View STARLINK-1635, 46172 on Celestrak

View STARLINK-1635, 46172 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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