STARLINK-31015, 58521

Orbit data source: Space-Track

STARLINK-31015, 58521 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 07 Dec 2023 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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Iframe URL

https://www.satcat.com/sats-embedded/58521?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

58521, 2023-191P

Orbit

LEO

Last TLE update

7 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK V2M, Unknown motor

Mass

730 kg wet, ~700 kg dry

Launch date (UTC)

2023-12-07 (2 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 14.5 m

Radar Cross Section

33.884 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 STARLINK-31015
1 58521U 23191P   25221.58004999  .00000838  00000-0  77099-4 0  9998
2 58521  43.0024 178.6038 0001027 272.6316  87.4409 15.02537114 93504

Epoch: 2025-08-09T13:55Z

TLE epoch observation values (Epoch: 2025-08-09T13:55:16.319Z)

Latitude

0.00001°

Longitude

11.4721°

Altitude

558.823 km

Speed

7.584 km/s

True Right ascension

11h 54m 24s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

2.51356°

Longitude

-172.83343°

Altitude

558.663 km

Speed

7.584 km/s

Apparent Right ascension

23h 29m 39s

Apparent Declination

-17° 41' 02"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

11:18:59

Azimuth

353.308° N

Elevation

-67.648°

Doppler factor

Orbital elements

Apogee altitude

561.712 km

Perigee altitude

560.287 km

Semi-major axis

6,939.137 km

Eccentricity

0.0001

Inclination

43.0024°

RAAN

178.6038°

Arg. of periapsis

272.6316°

True anomaly

87.45266°

Mean anomaly

87.4409°

Eccentric anomaly

87.44678°

Mean motion

3.75478 °/min

Orbital period

95.88 mins

BSTAR

0.000077099

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Other satellites on launch #191 in the year 2023 (2023-12-07 UTC)

STARLINK-31026, 58508

STARLINK-31020, 58509

STARLINK-30989, 58510

STARLINK-30968, 58511

STARLINK-30982, 58512

STARLINK-30998, 58513

STARLINK-30983, 58514

STARLINK-31017, 58515

STARLINK-31028, 58516

STARLINK-31011, 58517

STARLINK-31021, 58518

STARLINK-31010, 58519

STARLINK-31003, 58520

STARLINK-31023, 58522

STARLINK-31015 Visibility forecast

Observer location: undefined°, undefined°

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	2025-08-09 23:40:02.059Z	185.322° SSW	2025-08-09 23:43:02.059Z	137.068° SSE	17.895°	2025-08-09 23:45:02.059Z	104.726° ESE
7 mins	2025-08-10 01:20:02.059Z	240.58° WSW	2025-08-10 01:23:02.059Z	149.845° SSE	43.884°	2025-08-10 01:27:02.059Z	73.613° E
6 mins	2025-08-10 03:01:02.059Z	281.993° WNW	2025-08-10 03:04:02.059Z	11.965° NNE	39.485°	2025-08-10 03:07:02.059Z	71.999° E
6 mins	2025-08-10 04:42:02.059Z	291.689° WNW	2025-08-10 04:45:02.059Z	51.78° ENE	43.043°	2025-08-10 04:48:02.059Z	97.967° ESE
6 mins	2025-08-10 06:23:02.059Z	264.845° W	2025-08-10 06:25:02.059Z	218.819° SW	30.788°	2025-08-10 06:29:02.059Z	143.841° SSE

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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Authenticating...

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Check out STARLINK-31015, 58521 on other resources

View STARLINK-31015, 58521 on NASA - NSSDCA Website

View STARLINK-31015, 58521 on Heavens-Above

View STARLINK-31015, 58521 on Keep Track

View STARLINK-31015, 58521 on Celestrak

View STARLINK-31015, 58521 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.