STARLINK-2523, 48306

Orbit data source: Space-Track

STARLINK-2523, 48306 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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/48306?theme=dark&initialShowStats=false

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Identifier

48306, 2021-036AG

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-04-29 (5 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

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: 9 hours ago

TLE from 9 hours ago

0 STARLINK-2523
1 48306U 21036AG  26138.16668980 -.00019513  00000-0 -61820-3 0  9998
2 48306  53.1600 135.9160 0001391  68.7441 184.4360 15.31722919  5783

Epoch: 2026-05-18T04:00Z

TLE epoch observation values (Epoch: 2026-05-18T04:00:01.998Z)

Latitude

-50.17213°

Longitude

83.34655°

Altitude

488.94 km

Speed

7.62 km/s

True Right ascension

01h 16m 51s

True Declination

-49° 59' 46"

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

21:24:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

471.881 km

Perigee altitude

469.976 km

Semi-major axis

6,849.065 km

Eccentricity

0.00014

Inclination

53.16°

RAAN

135.916°

Arg. of periapsis

68.7441°

True anomaly

184.43477°

Mean anomaly

184.436°

Eccentric anomaly

184.43538°

Mean motion

3.8291 °/min

Orbital period

94.02 mins

BSTAR

-0.0006182

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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)

STARLINK-2477, 48322 (Decayed)

STARLINK-2501, 48330

STARLINK-2504, 48328

STARLINK-2540, 48290 (Decayed)

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STARLINK-2523 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	2026-05-19 02:35:13.367Z	232.342° WSW	2026-05-19 02:37:13.367Z	264.206° W	44.593°	2026-05-19 02:40:13.367Z	48.465° ENE
5 mins	2026-05-19 09:10:13.367Z	315.577° NNW	2026-05-19 09:12:13.367Z	80.865° E	44.079°	2026-05-19 09:15:13.367Z	126.31° SE

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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-2523, 48306 on other resources

View STARLINK-2523, 48306 on NASA - NSSDCA Website

View STARLINK-2523, 48306 on Heavens-Above

View STARLINK-2523, 48306 on Keep Track

View STARLINK-2523, 48306 on Celestrak

View STARLINK-2523, 48306 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-2523, 48306

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-05-18T04:00:01.998Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)

STARLINK-2523 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2523, 48306 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago