STARLINK-5498, 55633

Orbit data source: Space-Track

STARLINK-5498, 55633 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/55633?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55633, 2023-021F

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

305 kg wet, ~290 kg dry

Launch date (UTC)

2023-02-17 (3 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

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: 10 hours ago

TLE from 10 hours ago

0 STARLINK-5498
1 55633U 23021F   26091.22145734  .00000443  00000-0  44960-4 0  9994
2 55633  70.0001 147.6308 0003193 265.9566  94.1228 14.98326673171673

Epoch: 2026-04-01T05:18Z

TLE epoch observation values (Epoch: 2026-04-01T05:18:53.914Z)

Latitude

-0.00002°

Longitude

-121.68125°

Altitude

574.65 km

Speed

7.574 km/s

True Right ascension

09h 50m 31s

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

21:19:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.233 km

Perigee altitude

567.796 km

Semi-major axis

6,948.151 km

Eccentricity

0.00032

Inclination

70.0001°

RAAN

147.6308°

Arg. of periapsis

265.9566°

True anomaly

94.15929°

Mean anomaly

94.1228°

Eccentric anomaly

94.14105°

Mean motion

3.74748 °/min

Orbital period

96.06 mins

BSTAR

0.00004496

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Other satellites on launch #21 in the year 2023 (2023-02-17 UTC)

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STARLINK-5498 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.
6 mins	2026-04-02 05:30:09.942Z	228.789° WSW	2026-04-02 05:33:09.942Z	310.687° NW	36.702°	2026-04-02 05:36:09.942Z	9.922° NNE
5 mins	2026-04-02 13:55:09.942Z	15.749° NNE	2026-04-02 13:57:09.942Z	61.572° ENE	25.977°	2026-04-02 14:00:09.942Z	115.571° SE
5 mins	2026-04-02 15:33:09.942Z	292.957° NW	2026-04-02 15:35:09.942Z	255.286° W	21.133°	2026-04-02 15:38:09.942Z	205.431° SW

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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-5498, 55633 on other resources

View STARLINK-5498, 55633 on NASA - NSSDCA Website

View STARLINK-5498, 55633 on Heavens-Above

View STARLINK-5498, 55633 on Keep Track

View STARLINK-5498, 55633 on Celestrak

View STARLINK-5498, 55633 on Gunter's Space Page

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

STARLINK-5498, 55633

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-01T05:18:53.914Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #21 in the year 2023 (2023-02-17 UTC)

STARLINK-5498 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5498, 55633 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago