STARLINK-5817, 55779

Orbit data source: Space-Track

STARLINK-5817, 55779 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 03 Mar 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/55779?theme=dark&initialShowStats=false

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Identifier

55779, 2023-028AQ

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)

2023-03-03 (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

11.087 m², Large (>1 m²)

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

TLE from 2 days ago

0 STARLINK-5817
1 55779U 23028AQ  26171.45023801 -.00000909  00000-0 -68383-4 0  9990
2 55779  70.0003 305.1577 0003229 269.1418  90.9371 14.98323760182429

Epoch: 2026-06-20T10:48Z

TLE epoch observation values (Epoch: 2026-06-20T10:48:20.564Z)

Latitude

-0.00001°

Longitude

-125.59267°

Altitude

574.536 km

Speed

7.574 km/s

True Right ascension

20h 20m 37s

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

23:08:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.267 km

Perigee altitude

567.78 km

Semi-major axis

6,948.16 km

Eccentricity

0.00032

Inclination

70.0003°

RAAN

305.1577°

Arg. of periapsis

269.1418°

True anomaly

90.9741°

Mean anomaly

90.9371°

Eccentric anomaly

90.9556°

Mean motion

3.74747 °/min

Orbital period

96.06 mins

BSTAR

-0.000068383

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Other satellites on launch #28 in the year 2023 (2023-03-03 UTC)

STARLINK-5081, 55759 (Decayed)

FALCON 9 DEB, 55792 (Decayed)

FALCON 9 DEB, 55795 (Decayed)

STARLINK-5810, 55776 (Decayed)

FALCON 9 DEB, 55794 (Decayed)

FALCON 9 DEB, 55793 (Decayed)

STARLINK-5812, 55774

STARLINK-5583, 55768 (Decayed)

STARLINK-5809, 55775

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STARLINK-5817 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 19:25:29.508Z	342.308° N	2026-06-22 19:29:29.508Z	78.314° E	41.846°	2026-06-22 19:32:29.508Z	143.631° SSE
6 mins	2026-06-23 09:26:29.508Z	174.607° S	2026-06-23 09:29:29.508Z	98.525° ESE	34.66°	2026-06-23 09:32:29.508Z	41.05° NE
4 mins	2026-06-23 11:06:29.508Z	284.611° WNW	2026-06-23 11:07:29.508Z	301.533° NW	16.059°	2026-06-23 11:10:29.508Z	347.497° N

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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-5817, 55779 on other resources

View STARLINK-5817, 55779 on NASA - NSSDCA Website

View STARLINK-5817, 55779 on Heavens-Above

View STARLINK-5817, 55779 on Keep Track

View STARLINK-5817, 55779 on Celestrak

View STARLINK-5817, 55779 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-5817, 55779

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: 2026-06-20T10:48:20.564Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #28 in the year 2023 (2023-03-03 UTC)

STARLINK-5817 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5817, 55779 on other resources

Documentation

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