STARLINK-6121, 56129

Orbit data source: Space-Track

STARLINK-6121, 56129 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 29 Mar 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/56129?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

56129, 2023-046AP

Orbit

LEO

Last TLE update

1 day ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

305 kg wet, ~290 kg dry

Launch date (UTC)

2023-03-29 (2 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, 9 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 STARLINK-6121
1 56129U 23046AP  25121.33420859  .00000663  00000-0  64159-4 0  9997
2 56129  43.0070 351.4941 0001063 268.3249  91.7472 15.02535394115824

Epoch: 2025-05-01T08:01Z

Definitive object data (Epoch: 2025-05-01T08:01:15.622Z)

Latitude

0.00002°

Longitude

11.67236°

Altitude

558.883 km

Speed

7.584 km/s

True Right ascension

23h 25m 58s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-0.96123°

Longitude

3.78325°

Altitude

558.887 km

Speed

7.584 km/s

Apparent Right ascension

00h 42m 40s

Apparent Declination

-59° 52' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:02:15

Azimuth

160.432° S

Elevation

-15.099°

Doppler factor

Orbital elements

Apogee altitude

561.742 km

Perigee altitude

560.267 km

Semi-major axis

6,939.141 km

Eccentricity

0.0001063

Inclination

43.007°

RAAN

351.4941°

Arg. of periapsis

268.3249°

True anomaly

91.75938°

Mean anomaly

91.7472°

Eccentric anomaly

91.75329°

Mean motion

3.75478 °/min

BSTAR

0.000064159

Orbital period

95.88 mins

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Other satellites on launch #46 in the year 2023 (2023-03-29 UTC)

STARLINK-6102, 56093 (Decayed)

STARLINK-6121 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.
6 mins	2025-05-02 17:42:43.147Z	196.606° SSW	2025-05-02 17:45:43.147Z	141.646° SSE	23.569°	2025-05-02 17:48:43.147Z	91.633° ESE
6 mins	2025-05-02 19:23:43.147Z	251.835° W	2025-05-02 19:25:43.147Z	257.97° W	44.604°	2025-05-02 19:29:43.147Z	71.858° E
7 mins	2025-05-02 21:03:43.147Z	284.85° WNW	2025-05-02 21:06:43.147Z	353.271° N	39.301°	2025-05-02 21:10:43.147Z	77.817° E
7 mins	2025-05-02 22:44:43.147Z	288.873° WNW	2025-05-02 22:47:43.147Z	21.674° NNE	44.938°	2025-05-02 22:51:43.147Z	107.243° ESE
5 mins	2025-05-03 00:25:43.147Z	261.333° W	2025-05-03 00:27:43.147Z	223.97° SW	24.34°	2025-05-03 00:30:43.147Z	163.927° S

Authenticating...

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Check out STARLINK-6121, 56129 on other resources

View STARLINK-6121, 56129 on NASA - NSSDCA Website

View STARLINK-6121, 56129 on Heavens-Above

View STARLINK-6121, 56129 on Keep Track

View STARLINK-6121, 56129 on Celestrak

View STARLINK-6121, 56129 on Gunter's Space Page

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