STARLINK-3085, 49156

Orbit data source: Space-Track

STARLINK-3085, 49156 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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Iframe URL

https://www.satcat.com/sats-embedded/49156?theme=dark&initialShowStats=false

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Identifier

49156, 2021-082AC

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-3085
1 49156U 21082AC  26125.35515689 -.00000253  00000-0 -13380-4 0  9997
2 49156  69.9991 111.5741 0003198 278.0160  82.0636 14.98332274256534

Epoch: 2026-05-05T08:31Z

TLE epoch observation values (Epoch: 2026-05-05T08:31:25.555Z)

Latitude

-0.00002°

Longitude

120.48642°

Altitude

574.166 km

Speed

7.574 km/s

True Right ascension

07h 26m 17s

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

07:14:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.219 km

Perigee altitude

567.775 km

Semi-major axis

6,948.134 km

Eccentricity

0.00032

Inclination

69.9991°

RAAN

111.5741°

Arg. of periapsis

278.016°

True anomaly

82.0999°

Mean anomaly

82.0636°

Eccentric anomaly

82.08175°

Mean motion

3.74749 °/min

Orbital period

96.06 mins

BSTAR

-0.00001338

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

FALCON 9 DEB, 49183 (Decayed)

STARLINK-3074, 49170 (Decayed)

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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-3085 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.
7 mins	2026-05-06 00:40:36.204Z	211.066° SW	2026-05-06 00:44:36.204Z	316.54° NNW	43.228°	2026-05-06 00:47:36.204Z	18.133° NNE
5 mins	2026-05-06 09:06:36.204Z	20.377° NNE	2026-05-06 09:08:36.204Z	58.214° ENE	20.232°	2026-05-06 09:11:36.204Z	105.798° ESE
5 mins	2026-05-06 10:44:36.204Z	302.402° NW	2026-05-06 10:46:36.204Z	259.484° W	27.879°	2026-05-06 10:49:36.204Z	196.559° SSW

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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-3085, 49156 on other resources

View STARLINK-3085, 49156 on NASA - NSSDCA Website

View STARLINK-3085, 49156 on Heavens-Above

View STARLINK-3085, 49156 on Keep Track

View STARLINK-3085, 49156 on Celestrak

View STARLINK-3085, 49156 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-3085, 49156

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: 2026-05-05T08:31:25.555Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-3085 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3085, 49156 on other resources

Documentation

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