STARLINK-5501, 55648

Orbit data source: Space-Track

STARLINK-5501, 55648 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/55648?theme=dark&initialShowStats=false

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Identifier

55648, 2023-021W

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: 11 hours ago

TLE from 11 hours ago

0 STARLINK-5501
1 55648U 23021W   26091.20870715 -.00001995  00000-0 -15937-3 0  9998
2 55648  69.9992 127.7176 0003271 264.0190  96.0597 14.98339807172165

Epoch: 2026-04-01T05:00Z

TLE epoch observation values (Epoch: 2026-04-01T05:00:32.297Z)

Latitude

0.00002°

Longitude

-136.9918°

Altitude

574.69 km

Speed

7.574 km/s

True Right ascension

08h 30m 52s

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

21:21:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.247 km

Perigee altitude

567.701 km

Semi-major axis

6,948.111 km

Eccentricity

0.00033

Inclination

69.9992°

RAAN

127.7176°

Arg. of periapsis

264.019°

True anomaly

96.09697°

Mean anomaly

96.0597°

Eccentric anomaly

96.07834°

Mean motion

3.74751 °/min

Orbital period

96.06 mins

BSTAR

-0.00015937

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

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STARLINK-5501 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.
7 mins	2026-04-02 03:33:54.547Z	191.945° SSW	2026-04-02 03:37:54.547Z	86.826° E	41.482°	2026-04-02 03:40:54.547Z	32.618° NE
6 mins	2026-04-02 13:37:54.547Z	318.717° NNW	2026-04-02 13:39:54.547Z	262.583° W	39.988°	2026-04-02 13:43:54.547Z	171.152° S

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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-5501, 55648 on other resources

View STARLINK-5501, 55648 on NASA - NSSDCA Website

View STARLINK-5501, 55648 on Heavens-Above

View STARLINK-5501, 55648 on Keep Track

View STARLINK-5501, 55648 on Celestrak

View STARLINK-5501, 55648 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-5501, 55648

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-04-01T05:00:32.297Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-5501 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5501, 55648 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago