STARLINK-3137, 49449

Orbit data source: Space-Track

STARLINK-3137, 49449 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 13 Nov 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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https://www.satcat.com/sats-embedded/49449?theme=dark&initialShowStats=false

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Identifier

49449, 2021-104AT

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

290 kg wet, ~270 kg dry

Launch date (UTC)

2021-11-13 (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: 1 week ago

TLE from 1 week ago

0 STARLINK-3137
1 49449U 21104AT  26154.32376364  .00064169  00000-0  11849-2 0  9991
2 49449  53.2118 159.4871 0002558  25.4590 334.6545 15.48512480252201

Epoch: 2026-06-03T07:46Z

TLE epoch observation values (Epoch: 2026-06-03T07:46:13.178Z)

Latitude

-0.00002°

Longitude

151.14815°

Altitude

420.418 km

Speed

7.661 km/s

True Right ascension

10h 37m 56s

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

13:16:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

423.066 km

Perigee altitude

419.588 km

Semi-major axis

6,799.464 km

Eccentricity

0.00026

Inclination

53.2118°

RAAN

159.4871°

Arg. of periapsis

25.459°

True anomaly

334.64195°

Mean anomaly

334.6545°

Eccentric anomaly

334.64822°

Mean motion

3.87107 °/min

Orbital period

93 mins

BSTAR

0.0011849

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Other satellites on launch #104 in the year 2021 (2021-11-13 UTC)

STARLINK-3149, 49423 (Decayed)

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STARLINK-3137 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	2026-06-11 06:43:34.094Z	327.866° NNW	2026-06-11 06:45:34.094Z	31.974° NE	36.244°	2026-06-11 06:48:34.094Z	110.345° ESE
4 mins	2026-06-11 23:26:34.094Z	180.154° SSW	2026-06-11 23:27:34.094Z	150.32° SSE	28.312°	2026-06-11 23:30:34.094Z	70.147° E

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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-3137, 49449 on other resources

View STARLINK-3137, 49449 on NASA - NSSDCA Website

View STARLINK-3137, 49449 on Heavens-Above

View STARLINK-3137, 49449 on Keep Track

View STARLINK-3137, 49449 on Celestrak

View STARLINK-3137, 49449 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-3137, 49449

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-03T07:46:13.178Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #104 in the year 2021 (2021-11-13 UTC)

STARLINK-3137 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3137, 49449 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago