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 (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 day ago

TLE from 1 day ago

0 STARLINK-3045
1 49173U 21082AV  26124.96793611 -.00076666  00000-0 -65891-2 0  9998
2 49173  69.9981 132.5544 0003417 126.7438 233.4035 14.97730347254903

Epoch: 2026-05-04T23:13Z

TLE epoch observation values (Epoch: 2026-05-04T23:13:49.679Z)

Latitude

-0.00004°

Longitude

-78.75214°

Altitude

577.751 km

Speed

7.571 km/s

True Right ascension

08h 50m 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

09:05:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

574.235 km

Perigee altitude

569.485 km

Semi-major axis

6,949.997 km

Eccentricity

0.00034

Inclination

69.9981°

RAAN

132.5544°

Arg. of periapsis

126.7438°

True anomaly

233.37207°

Mean anomaly

233.4035°

Eccentric anomaly

233.38778°

Mean motion

3.74599 °/min

Orbital period

96.1 mins

BSTAR

-0.0065891

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

FALCON 9 R/B, 49130 (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.
6 mins	2026-05-06 02:38:10.874Z	244.086° WSW	2026-05-06 02:41:10.874Z	294.02° NW	25.087°	2026-05-06 02:44:10.874Z	354.123° N
6 mins	2026-05-06 11:03:10.874Z	352.564° N	2026-05-06 11:06:10.874Z	80.491° E	37.432°	2026-05-06 11:09:10.874Z	136.538° SSE
5 mins	2026-05-07 01:04:10.874Z	160.79° S	2026-05-07 01:06:10.874Z	113.888° SE	30.397°	2026-05-07 01:09:10.874Z	48.583° ENE

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-05-04T23:13:49.679Z)

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: 1 day ago