STARLINK-3109, 49143

Orbit data source: Space-Track

STARLINK-3109, 49143 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 14 Sep 2021 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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https://www.satcat.com/sats-embedded/49143?theme=dark&initialShowStats=false

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Identifier

49143, 2021-082P

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2021-09-14 (5 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

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: 15 hours ago

TLE from 15 hours ago

0 STARLINK-3109
1 49143U 21082P   26125.45311682  .00001050  00000-0  97764-4 0  9993
2 49143  69.9988 132.3066 0003739 270.1622  89.9108 14.97521112256062

Epoch: 2026-05-05T10:52Z

TLE epoch observation values (Epoch: 2026-05-05T10:52:29.293Z)

Latitude

-0.00003°

Longitude

105.85679°

Altitude

576.978 km

Speed

7.573 km/s

True Right ascension

08h 49m 13s

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

09:53:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

575.106 km

Perigee altitude

569.909 km

Semi-major axis

6,950.645 km

Eccentricity

0.00037

Inclination

69.9988°

RAAN

132.3066°

Arg. of periapsis

270.1622°

True anomaly

89.95365°

Mean anomaly

89.9108°

Eccentric anomaly

89.93222°

Mean motion

3.74546 °/min

Orbital period

96.12 mins

BSTAR

0.000097764

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Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)

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STARLINK-3109 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.
5 mins	2026-05-06 03:04:49.114Z	263.104° W	2026-05-06 03:07:49.114Z	309.598° NW	17.049°	2026-05-06 03:09:49.114Z	341.795° N
7 mins	2026-05-06 11:28:49.114Z	335.279° NNW	2026-05-06 11:31:49.114Z	308.126° NW	44.968°	2026-05-06 11:35:49.114Z	157.346° SSE
6 mins	2026-05-07 01:29:49.114Z	187.614° SSW	2026-05-07 01:31:49.114Z	143.831° SSE	41.354°	2026-05-07 01:35:49.114Z	31.359° NE

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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-3109, 49143 on other resources

View STARLINK-3109, 49143 on NASA - NSSDCA Website

View STARLINK-3109, 49143 on Heavens-Above

View STARLINK-3109, 49143 on Keep Track

View STARLINK-3109, 49143 on Celestrak

View STARLINK-3109, 49143 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-3109, 49143

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-05-05T10:52:29.293Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)

STARLINK-3109 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3109, 49143 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago