STARLINK-1609, 47621
Orbit data source: Space-Track
STARLINK-1609, 47621 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 16 Feb 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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47621 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
260 kg wet, ~248 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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-1609
1 47621U 21012B 25343.08752055 .00002048 00000-0 15643-3 0 9991
2 47621 53.0545 118.3487 0001079 88.6157 271.4956 15.06381109266336Epoch: 2025-12-09T02:06Z
TLE epoch observation values (Epoch: 2025-12-09T02:06:01.775Z)
Latitude
0.00001°
Longitude
8.76408°
Altitude
548.129 km
Speed
7.589 km/s
True Right ascension
07h 53m 23s
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
19:50:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.287 km
Perigee altitude
546.793 km
Semi-major axis
6,925.677 km
Eccentricity
0.00011
Inclination
53.0545°
RAAN
118.3487°
Arg. of periapsis
88.6157°
True anomaly
271.48324°
Mean anomaly
271.4956°
Eccentric anomaly
271.48942°
Mean motion
3.76574 °/min
Orbital period
95.6 mins
BSTAR
0.00015643
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Other satellites on launch #12 in the year 2021 (2021-02-16 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-1609 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 | 2025-12-10 11:44:25.131Z | 229.47° WSW | 2025-12-10 11:46:25.131Z | 233.2° WSW | 44.926° | 2025-12-10 11:50:25.131Z | 50.249° ENE |
| 5 mins | 2025-12-10 13:24:25.131Z | 300.054° NW | 2025-12-10 13:26:25.131Z | 336.804° NNW | 19.794° | 2025-12-10 13:29:25.131Z | 26.786° NE |
| 4 mins | 2025-12-10 16:46:25.131Z | 349.39° N | 2025-12-10 16:48:25.131Z | 28.659° NE | 19.476° | 2025-12-10 16:50:25.131Z | 63.054° ENE |
| 6 mins | 2025-12-10 18:25:25.131Z | 310.533° NW | 2025-12-10 18:28:25.131Z | 124.117° SE | 43.919° | 2025-12-10 18:31:25.131Z | 130.084° SE |
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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