STARLINK-3045, 49173

Orbit data source: Space-Track

STARLINK-3045, 49173 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/49173?theme=dark&initialShowStats=false

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Identifier

49173, 2021-082AV

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 (4 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: 7 hours ago

TLE from 7 hours ago

0 STARLINK-3045
1 49173U 21082AV  26035.83334490  .00048990  00000-0  40863-2 0  9990
2 49173  70.0034 357.2869 0002960 265.5926  43.5589 14.98317179  5742

Epoch: 2026-02-04T20:00Z

TLE epoch observation values (Epoch: 2026-02-04T20:00:00.999Z)

Latitude

-46.99875°

Longitude

-100.5475°

Altitude

588.2 km

Speed

7.566 km/s

True Right ascension

22h 17m 48s

True Declination

-46° 49' 23"

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

04:38:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.1 km

Perigee altitude

567.987 km

Semi-major axis

6,948.18 km

Eccentricity

0.0003

Inclination

70.0034°

RAAN

357.2869°

Arg. of periapsis

265.5926°

True anomaly

43.58228°

Mean anomaly

43.5589°

Eccentric anomaly

43.57059°

Mean motion

3.74746 °/min

Orbital period

96.07 mins

BSTAR

0.0040863

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

STARLINK-3053, 49149 (Decayed)

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STARLINK-3045 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	2026-02-05 07:59:14.236Z	353.388° N	2026-02-05 08:02:14.236Z	52.781° ENE	33.824°	2026-02-05 08:06:14.236Z	132.629° SE
5 mins	2026-02-05 22:00:14.236Z	153.91° SSE	2026-02-05 22:02:14.236Z	112.415° ESE	26.032°	2026-02-05 22:05:14.236Z	53.173° ENE
4 mins	2026-02-05 23:39:14.236Z	272.96° WNW	2026-02-05 23:40:14.236Z	292.726° NW	21.208°	2026-02-05 23:43:14.236Z	348.956° N

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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-3045, 49173 on other resources

View STARLINK-3045, 49173 on NASA - NSSDCA Website

View STARLINK-3045, 49173 on Heavens-Above

View STARLINK-3045, 49173 on Keep Track

View STARLINK-3045, 49173 on Celestrak

View STARLINK-3045, 49173 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-3045, 49173

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-04T20:00:00.999Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

STARLINK-3045 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-3045, 49173 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago