STARLINK-3073, 49135

Orbit data source: Space-Track

STARLINK-3073, 49135 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/49135?theme=dark&initialShowStats=false

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Identifier

49135, 2021-082F

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: 1 week ago

TLE from 1 week ago

0 STARLINK-3073
1 49135U 21082F   26155.07586235 -.00000521  00000-0 -35828-4 0  9990
2 49135  69.9978  36.6246 0004094 294.2498  65.8234 14.98336279259910

Epoch: 2026-06-04T01:49Z

TLE epoch observation values (Epoch: 2026-06-04T01:49:14.507Z)

Latitude

0.00009°

Longitude

116.78886°

Altitude

573.296 km

Speed

7.575 km/s

True Right ascension

02h 26m 29s

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

18:15:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.83 km

Perigee altitude

567.14 km

Semi-major axis

6,948.122 km

Eccentricity

0.00041

Inclination

69.9978°

RAAN

36.6246°

Arg. of periapsis

294.2498°

True anomaly

65.86621°

Mean anomaly

65.8234°

Eccentric anomaly

65.8448°

Mean motion

3.7475 °/min

Orbital period

96.06 mins

BSTAR

-0.000035828

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

FALCON 9 DEB, 49185 (Decayed)

STARLINK-3052, 49165

STARLINK-3053, 49149 (Decayed)

STARLINK-3084, 49136 (Decayed)

STARLINK-3091, 49172 (Decayed)

STARLINK-3069, 49176

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

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STARLINK-3073 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 15:00:10.021Z	148.274° SSE	2026-06-11 15:03:10.021Z	98.765° ESE	18.702°	2026-06-11 15:05:10.021Z	65.643° ENE
5 mins	2026-06-11 16:39:10.021Z	256.005° W	2026-06-11 16:41:10.021Z	307.465° NW	28.453°	2026-06-11 16:44:10.021Z	1.841° NNE
6 mins	2026-06-12 01:02:10.021Z	355.215° N	2026-06-12 01:05:10.021Z	64.116° ENE	34.107°	2026-06-12 01:08:10.021Z	128.376° 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-3073, 49135 on other resources

View STARLINK-3073, 49135 on NASA - NSSDCA Website

View STARLINK-3073, 49135 on Heavens-Above

View STARLINK-3073, 49135 on Keep Track

View STARLINK-3073, 49135 on Celestrak

View STARLINK-3073, 49135 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-3073, 49135

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: 2026-06-04T01:49:14.507Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-3073 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3073, 49135 on other resources

Documentation

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