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

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Identifier

46172, 2020-057BH

Orbit

LEO

Last TLE update

12 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2020-08-18 (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, 4.4 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago

0 STARLINK-1635
1 46172U 20057BH  25224.52882425 -.00000575  00000-0 -19709-4 0  9994
2 46172  53.0547 155.5778 0001325  83.7134 276.4005 15.06391105276078

Epoch: 2025-08-12T12:41Z

TLE epoch observation values (Epoch: 2025-08-12T12:41:30.415Z)

Latitude

-0.00008°

Longitude

3.98085°

Altitude

548.016 km

Speed

7.589 km/s

True Right ascension

10h 22m 18s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-49.97791°

Longitude

-61.29985°

Altitude

565.333 km

Speed

7.578 km/s

Apparent Right ascension

04h 43m 33s

Apparent Declination

-46° 30' 03"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:32:53

Azimuth

237.029° WSW

Elevation

-75.583°

Doppler factor

Orbital elements

Apogee altitude

548.427 km

Perigee altitude

546.592 km

Semi-major axis

6,925.647 km

Eccentricity

0.00013

Inclination

53.0547°

RAAN

155.5778°

Arg. of periapsis

83.7134°

True anomaly

276.38541°

Mean anomaly

276.4005°

Eccentric anomaly

276.39296°

Mean motion

3.76576 °/min

Orbital period

95.6 mins

BSTAR

-0.000019709

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

STARLINK-1585, 46117

STARLINK-1596, 46141

STARLINK-1597, 46142

STARLINK-1599, 46143 (Decayed)

STARLINK-1606, 46144

STARLINK-1607, 46145 (Decayed)

STARLINK-1608, 46146

STARLINK-1611, 46147 (Decayed)

STARLINK-1616, 46148 (Decayed)

STARLINK-1620, 46149 (Decayed)

STARLINK-1629, 46150

STARLINK-1631, 46151 (Decayed)

STARLINK-1634, 46152 (Decayed)

STARLINK-1636, 46153

STARLINK-1642, 46154

STARLINK-1635 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-08-13 03:29:26.899Z	357.081° N	2025-08-13 03:30:26.899Z	17.543° NNE	20.283°	2025-08-13 03:33:26.899Z	70.002° E
6 mins	2025-08-13 05:08:26.899Z	307.711° NW	2025-08-13 05:10:26.899Z	277.451° WNW	44.648°	2025-08-13 05:14:26.899Z	133.093° SE
6 mins	2025-08-13 22:20:26.899Z	247.957° W	2025-08-13 22:22:26.899Z	296.293° NW	40.855°	2025-08-13 22:26:26.899Z	44.005° NE
4 mins	2025-08-14 00:01:26.899Z	315.659° NNW	2025-08-14 00:02:26.899Z	332.938° NNW	16.748°	2025-08-14 00:05:26.899Z	22.768° NE

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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Authenticating...

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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.