STARLINK-4545, 53421

Orbit data source: Space-Track

STARLINK-4545, 53421 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 10 Aug 2022 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/53421?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

53421, 2022-097AK

Orbit

LEO

Last TLE update

20 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2022-08-10 (3 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, 8.86 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 20 hours ago

0 STARLINK-4545
1 53421U 22097AK  25172.82678866  .00000457  00000-0  46789-4 0  9997
2 53421  53.2165 205.1793 0001088  79.3816 280.7299 15.08837309159249

Epoch: 2025-06-21T19:50Z

TLE epoch observation values (Epoch: 2025-06-21T19:50:34.54Z)

Latitude

0.00002°

Longitude

-2.72479°

Altitude

540.509 km

Speed

7.593 km/s

True Right ascension

13h 40m 43s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

6.0504°

Longitude

169.04332°

Altitude

540.07 km

Speed

7.594 km/s

Apparent Right ascension

22h 28m 36s

Apparent Declination

-46° 49' 17"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

02:44:40

Azimuth

219.295° SW

Elevation

-13.768°

Doppler factor

Orbital elements

Apogee altitude

540.749 km

Perigee altitude

539.244 km

Semi-major axis

6,918.134 km

Eccentricity

0.00011

Inclination

53.2165°

RAAN

205.1793°

Arg. of periapsis

79.3816°

True anomaly

Unknown

Mean anomaly

280.7299°

Eccentric anomaly

Unknown

Mean motion

3.7719 °/min

Orbital period

95.44 mins

BSTAR

0.000046789

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Other satellites on launch #97 in the year 2022 (2022-08-10 UTC)

STARLINK-4545 Visibility forecast

Observer location: undefined°, undefined°

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	2025-06-23 03:47:50.723Z	182.692° SSW	2025-06-23 03:50:50.723Z	117.346° SE	25.422°	2025-06-23 03:53:50.723Z	70.365° E
6 mins	2025-06-23 05:26:50.723Z	263.361° W	2025-06-23 05:29:50.723Z	337.262° NNW	32.58°	2025-06-23 05:32:50.723Z	35.005° NE
5 mins	2025-06-23 10:28:50.723Z	339.668° N	2025-06-23 10:30:50.723Z	27.341° NE	28.554°	2025-06-23 10:33:50.723Z	89.899° E
6 mins	2025-06-23 12:07:50.723Z	286.399° WNW	2025-06-23 12:09:50.723Z	244.466° WSW	31.07°	2025-06-23 12:13:50.723Z	159.751° S

Authenticating...

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Check out STARLINK-4545, 53421 on other resources

View STARLINK-4545, 53421 on NASA - NSSDCA Website

View STARLINK-4545, 53421 on Heavens-Above

View STARLINK-4545, 53421 on Keep Track

View STARLINK-4545, 53421 on Celestrak

View STARLINK-4545, 53421 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.