STARLINK-2101, 47381

Orbit data source: Space-Track

STARLINK-2101, 47381 is a payload satellite in LEO that was launched on Wed, 20 Jan 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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Iframe URL

https://www.satcat.com/sats-embedded/47381?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

47381, 2021-005AJ

Orbit

LEO

Last TLE update

12 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-01-20 (4 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, 8.86 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 12 hours ago

0 STARLINK-2101
1 47381U 21005AJ  25151.91030049  .00000889  00000-0  78544-4 0  9998
2 47381  53.0539 221.6620 0001105  85.3793 274.7322 15.06396207240924

Epoch: 2025-05-31T21:50Z

TLE epoch observation values (Epoch: 2025-05-31T21:50:49.962Z)

Latitude

-0.00003°

Longitude

4.3099°

Altitude

548.039 km

Speed

7.589 km/s

True Right ascension

14h 46m 38s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

41.64634°

Longitude

140.42791°

Altitude

550.546 km

Speed

7.592 km/s

Apparent Right ascension

03h 22m 28s

Apparent Declination

5° 04' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:12:30

Azimuth

63.925° ENE

Elevation

-20.714°

Doppler factor

Orbital elements

Apogee altitude

548.259 km

Perigee altitude

546.729 km

Semi-major axis

6,925.631 km

Eccentricity

0.00011

Inclination

53.0539°

RAAN

221.662°

Arg. of periapsis

85.3793°

True anomaly

Unknown

Mean anomaly

274.7322°

Eccentric anomaly

Unknown

Mean motion

3.76577 °/min

Orbital period

95.6 mins

BSTAR

0.000078544

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Other satellites on launch #5 in the year 2021 (2021-01-20 UTC)

STARLINK-1952, 47349 (Decayed)

STARLINK-2101 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.
4 mins	2025-06-01 12:38:28.624Z	353.018° N	2025-06-01 12:39:28.624Z	12.404° NNE	19.823°	2025-06-01 12:42:28.624Z	66.903° ENE
6 mins	2025-06-01 14:17:28.624Z	308.802° NW	2025-06-01 14:19:28.624Z	301.814° NW	43.518°	2025-06-01 14:23:28.624Z	132.232° SE
4 mins	2025-06-02 05:51:28.624Z	152.114° SSE	2025-06-02 05:52:28.624Z	134.866° SE	16.496°	2025-06-02 05:55:28.624Z	86.483° E
6 mins	2025-06-02 07:29:28.624Z	245.435° WSW	2025-06-02 07:32:28.624Z	359.697° N	40.548°	2025-06-02 07:35:28.624Z	43.738° NE
4 mins	2025-06-02 09:10:28.624Z	311.906° NW	2025-06-02 09:12:28.624Z	347.587° N	17.118°	2025-06-02 09:14:28.624Z	20.055° NNE

Authenticating...

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Check out STARLINK-2101, 47381 on other resources

View STARLINK-2101, 47381 on NASA - NSSDCA Website

View STARLINK-2101, 47381 on Heavens-Above

View STARLINK-2101, 47381 on Keep Track

View STARLINK-2101, 47381 on Celestrak

View STARLINK-2101, 47381 on Gunter's Space Page

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