STARLINK-2453, 47845

Orbit data source: Space-Track

STARLINK-2453, 47845 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 11 Mar 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/47845?theme=dark&initialShowStats=false

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Identifier

47845, 2021-018BL

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)

2021-03-11 (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: 10 hours ago

TLE from 10 hours ago

0 STARLINK-2453
1 47845U 21018BL  26120.11003830  .00009036  00000-0  32504-3 0  9992
2 47845  53.1569  19.2377 0001745  99.9254 260.1943 15.29359490284379

Epoch: 2026-04-30T02:38Z

TLE epoch observation values (Epoch: 2026-04-30T02:38:27.309Z)

Latitude

-0.00003°

Longitude

121.56253°

Altitude

478.829 km

Speed

7.627 km/s

True Right ascension

01h 16m 57s

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

20:12:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

479.179 km

Perigee altitude

476.786 km

Semi-major axis

6,856.12 km

Eccentricity

0.00017

Inclination

53.1569°

RAAN

19.2377°

Arg. of periapsis

99.9254°

True anomaly

260.1746°

Mean anomaly

260.1943°

Eccentric anomaly

260.18445°

Mean motion

3.82319 °/min

Orbital period

94.16 mins

BSTAR

0.00032504

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Other satellites on launch #18 in the year 2021 (2021-03-11 UTC)

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STARLINK-2453 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.
6 mins	2026-04-30 20:05:08.391Z	232.712° WSW	2026-04-30 20:08:08.391Z	35.513° NE	42.049°	2026-04-30 20:11:08.391Z	48.653° ENE
4 mins	2026-05-01 01:02:08.391Z	339.572° N	2026-05-01 01:04:08.391Z	13.778° NNE	16.618°	2026-05-01 01:06:08.391Z	52.998° ENE
5 mins	2026-05-01 02:41:08.391Z	314.393° NW	2026-05-01 02:43:08.391Z	93.053° ESE	44.179°	2026-05-01 02:46:08.391Z	127.467° 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-2453, 47845 on other resources

View STARLINK-2453, 47845 on NASA - NSSDCA Website

View STARLINK-2453, 47845 on Heavens-Above

View STARLINK-2453, 47845 on Keep Track

View STARLINK-2453, 47845 on Celestrak

View STARLINK-2453, 47845 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-2453, 47845

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-30T02:38:27.309Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #18 in the year 2021 (2021-03-11 UTC)

STARLINK-2453 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2453, 47845 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago