STARLINK-5318, 55304

Orbit data source: Space-Track

STARLINK-5318, 55304 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 19 Jan 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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Iframe URL

https://www.satcat.com/sats-embedded/55304?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55304, 2023-010AM

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)

2023-01-19 (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: 2 days ago

TLE from 2 days ago

0 STARLINK-5318
1 55304U 23010AM  26171.29795141  .00000979  00000-0  89896-4 0  9997
2 55304  69.9993 125.5512 0003693 260.8081  99.2660 14.98314031188644

Epoch: 2026-06-20T07:09Z

TLE epoch observation values (Epoch: 2026-06-20T07:09:03.001Z)

Latitude

-0.00008°

Longitude

109.77408°

Altitude

574.943 km

Speed

7.573 km/s

True Right ascension

08h 22m 12s

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

21:30:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.62 km

Perigee altitude

567.488 km

Semi-major axis

6,948.191 km

Eccentricity

0.00037

Inclination

69.9993°

RAAN

125.5512°

Arg. of periapsis

260.8081°

True anomaly

99.30776°

Mean anomaly

99.266°

Eccentric anomaly

99.28688°

Mean motion

3.74745 °/min

Orbital period

96.07 mins

BSTAR

0.000089896

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Other satellites on launch #10 in the year 2023 (2023-01-19 UTC)

FALCON 9 DEB, 55322 (Decayed)

STARLINK-5311, 55288

FALCON 9 DEB, 55321 (Decayed)

STARLINK-5323, 55279 (Decayed)

STARLINK-5272, 55298 (Decayed)

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STARLINK-5318 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	2026-06-22 21:46:01.250Z	191.19° SSW	2026-06-22 21:50:01.250Z	73.668° E	40.324°	2026-06-22 21:53:01.250Z	32.194° NE
7 mins	2026-06-23 07:49:01.250Z	323.889° NNW	2026-06-23 07:52:01.250Z	248.76° W	40.355°	2026-06-23 07:56:01.250Z	170.393° 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-5318, 55304 on other resources

View STARLINK-5318, 55304 on NASA - NSSDCA Website

View STARLINK-5318, 55304 on Heavens-Above

View STARLINK-5318, 55304 on Keep Track

View STARLINK-5318, 55304 on Celestrak

View STARLINK-5318, 55304 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-5318, 55304

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T07:09:03.001Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #10 in the year 2023 (2023-01-19 UTC)

STARLINK-5318 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5318, 55304 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago