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STARLINK-2021, 47604

Orbit data source: Space-Track

STARLINK-2021, 47604 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 Feb 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.

Not visible in the next 10 days

Iframe embed code

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Iframe URL

https://www.satcat.com/sats-embedded/47604?theme=dark&initialShowStats=false

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Identifier

47604, 2021-009BJ

Orbit

LEO

Country

US

Related business

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-02-04 (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: 2 days ago

TLE from 2 days ago

0 STARLINK-2021
1 47604U 21009BJ  26171.26610632  .00516166  12997-3  89924-3 0  9997
2 47604  53.0277 182.1897 0008490  27.7781 332.3700 16.01570749297642

Epoch: 2026-06-20T06:23Z

TLE epoch observation values (Epoch: 2026-06-20T06:23:11.586Z)

Latitude

-0.00006°

Longitude

177.90818°

Altitude

265.981 km

Speed

7.752 km/s

True Right ascension

12h 08m 45s

True Declination

0° 00' 00"

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

21:35:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

275.999 km

Perigee altitude

264.71 km

Semi-major axis

6,648.491 km

Eccentricity

0.00085

Inclination

53.0277°

RAAN

182.1897°

Arg. of periapsis

27.7781°

True anomaly

332.32484°

Mean anomaly

332.37°

Eccentric anomaly

332.34742°

Mean motion

4.00367 °/min

Orbital period

89.92 mins

BSTAR

0.00089924

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Other satellites on launch #9 in the year 2021 (2021-02-04 UTC)

FALCON 9 DEB, 47609 (Decayed)

STARLINK-1969, 47570 (Decayed)

STARLINK-1982, 47580 (Decayed)

STARLINK-1988, 47584 (Decayed)

STARLINK-1968, 47569 (Decayed)

STARLINK-1951, 47553 (Decayed)

STARLINK-1953, 47554 (Decayed)

STARLINK-1998, 47593 (Decayed)

STARLINK-2007, 47602 (Decayed)

STARLINK-1987, 47583 (Decayed)

STARLINK-2003, 47598 (Decayed)

STARLINK-2024, 47606 (Decayed)

STARLINK-1970, 47571 (Decayed)

STARLINK-1996, 47591 (Decayed)

STARLINK-1909, 47550 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

STARLINK-2021 Visibility

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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.
STARLINK-2021 is likely not visible in the next few days.

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARLINK-2021, 47604 on other resources

View STARLINK-2021, 47604 on NASA - NSSDCA Website

View STARLINK-2021, 47604 on Heavens-Above

View STARLINK-2021, 47604 on Keep Track

View STARLINK-2021, 47604 on Celestrak

View STARLINK-2021, 47604 on Gunter's Space Page

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

Documentation

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