STARLINK-5985, 56451

Orbit data source: Space-Track

STARLINK-5985, 56451 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 10 May 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/56451?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56451, 2023-064D

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)

2023-05-10 (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-5985
1 56451U 23064D   26171.44539581  .00000944  00000-0  86878-4 0  9990
2 56451  69.9991 245.5373 0002932 276.2644  83.8181 14.98321474170631

Epoch: 2026-06-20T10:41Z

TLE epoch observation values (Epoch: 2026-06-20T10:41:22.197Z)

Latitude

-0.00006°

Longitude

176.53488°

Altitude

574.287 km

Speed

7.574 km/s

True Right ascension

16h 22m 08s

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

21:24:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.068 km

Perigee altitude

567.993 km

Semi-major axis

6,948.168 km

Eccentricity

0.00029

Inclination

69.9991°

RAAN

245.5373°

Arg. of periapsis

276.2644°

True anomaly

83.8515°

Mean anomaly

83.8181°

Eccentric anomaly

83.8348°

Mean motion

3.74747 °/min

Orbital period

96.06 mins

BSTAR

0.000086878

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Other satellites on launch #64 in the year 2023 (2023-05-10 UTC)

FALCON 9 DEB, 56501 (Decayed)

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STARLINK-5985 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.
5 mins	2026-06-22 14:29:45.261Z	14.806° NNE	2026-06-22 14:32:45.261Z	61.183° ENE	15.388°	2026-06-22 14:34:45.261Z	90.547° ESE
6 mins	2026-06-22 16:08:45.261Z	310.574° NW	2026-06-22 16:10:45.261Z	254.548° W	35.9°	2026-06-22 16:14:45.261Z	177.265° S
7 mins	2026-06-23 06:07:45.261Z	215.193° SW	2026-06-23 06:10:45.261Z	296.98° NW	42.718°	2026-06-23 06:14:45.261Z	18.951° NNE

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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-5985, 56451 on other resources

View STARLINK-5985, 56451 on NASA - NSSDCA Website

View STARLINK-5985, 56451 on Heavens-Above

View STARLINK-5985, 56451 on Keep Track

View STARLINK-5985, 56451 on Celestrak

View STARLINK-5985, 56451 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-5985, 56451

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: 2026-06-20T10:41:22.197Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #64 in the year 2023 (2023-05-10 UTC)

STARLINK-5985 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-5985, 56451 on other resources

Documentation

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