STARLINK-3304, 50161
Orbit data source: Space-Track
STARLINK-3304, 50161 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 18 Dec 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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50161 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
290 kg wet, ~270 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-3304
1 50161U 21125F 26170.25151565 .00000080 00000-0 23136-4 0 9997
2 50161 53.1607 163.0841 0001184 83.7743 276.3383 15.08832367251784Epoch: 2026-06-19T06:02Z
TLE epoch observation values (Epoch: 2026-06-19T06:02:10.952Z)
Latitude
-0.00003°
Longitude
165.05528°
Altitude
540.568 km
Speed
7.593 km/s
True Right ascension
10h 52m 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
23:59:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.84 km
Perigee altitude
539.202 km
Semi-major axis
6,918.158 km
Eccentricity
0.00012
Inclination
53.1607°
RAAN
163.0841°
Arg. of periapsis
83.7743°
True anomaly
276.32482°
Mean anomaly
276.3383°
Eccentric anomaly
276.33156°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000023136
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Other satellites on launch #125 in the year 2021 (2021-12-18 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-3304 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 | 2026-06-20 01:16:12.169Z | 178.236° S | 2026-06-20 01:18:12.169Z | 142.47° SSE | 22.959° | 2026-06-20 01:21:12.169Z | 81.377° E |
| 6 mins | 2026-06-20 02:55:12.169Z | 259.981° W | 2026-06-20 02:58:12.169Z | 341.831° N | 34.483° | 2026-06-20 03:01:12.169Z | 37.226° NE |
| 5 mins | 2026-06-20 07:57:12.169Z | 342.191° N | 2026-06-20 07:59:12.169Z | 29.635° NE | 27.052° | 2026-06-20 08:02:12.169Z | 87.769° E |
| 6 mins | 2026-06-20 09:36:12.169Z | 288.757° WNW | 2026-06-20 09:38:12.169Z | 244.432° WSW | 33.654° | 2026-06-20 09:42:12.169Z | 155.665° SSE |
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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