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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49135 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-3073
1 49135U 21082F 25340.62505871 -.00000030 00000-0 53034-5 0 9997
2 49135 69.9998 129.0859 0003138 269.7452 90.3347 14.98331603233033Epoch: 2025-12-06T15:00Z
TLE epoch observation values (Epoch: 2025-12-06T15:00:05.072Z)
Latitude
-0.00007°
Longitude
-171.58537°
Altitude
574.488 km
Speed
7.574 km/s
True Right ascension
08h 36m 20s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
20:26:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.18 km
Perigee altitude
567.819 km
Semi-major axis
6,948.136 km
Eccentricity
0.00031
Inclination
69.9998°
RAAN
129.0859°
Arg. of periapsis
269.7452°
True anomaly
90.37066°
Mean anomaly
90.3347°
Eccentric anomaly
90.35268°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.0000053034
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Other satellites on launch #82 in the year 2021 (2021-09-14 UTC)
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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.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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-07 10:22:26.525Z | 128.317° SE | 2025-12-07 10:24:26.525Z | 96.145° ESE | 14.639° | 2025-12-07 10:26:26.525Z | 67.361° ENE |
| 6 mins | 2025-12-07 11:59:26.525Z | 236.193° WSW | 2025-12-07 12:02:26.525Z | 318.293° NNW | 33.132° | 2025-12-07 12:05:26.525Z | 8.422° NNE |
| 6 mins | 2025-12-07 20:23:26.525Z | 3.146° NNE | 2025-12-07 20:26:26.525Z | 69.628° E | 28.288° | 2025-12-07 20:29:26.525Z | 121.504° SE |
| 4 mins | 2025-12-07 22:02:26.525Z | 286.95° WNW | 2025-12-07 22:04:26.525Z | 250.218° W | 18.704° | 2025-12-07 22:06:26.525Z | 216.931° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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