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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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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: 2 days ago
TLE from 2 days ago
0 STARLINK-1609
1 47621U 21012B 26171.38749916 .00075732 00000-0 14640-2 0 9991
2 47621 53.1585 300.9243 0002467 281.6487 78.4244 15.47119690295913Epoch: 2026-06-20T09:17Z
TLE epoch observation values (Epoch: 2026-06-20T09:17:59.927Z)
Latitude
-0.00003°
Longitude
-107.17827°
Altitude
425.727 km
Speed
7.657 km/s
True Right ascension
20h 03m 41s
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
00:55:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
427.094 km
Perigee altitude
423.737 km
Semi-major axis
6,803.552 km
Eccentricity
0.00025
Inclination
53.1585°
RAAN
300.9243°
Arg. of periapsis
281.6487°
True anomaly
78.4521°
Mean anomaly
78.4244°
Eccentric anomaly
78.43825°
Mean motion
3.86758 °/min
Orbital period
93.08 mins
BSTAR
0.001464
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 17:37:17.874Z | 311.692° NW | 2026-06-22 17:39:17.874Z | 112.155° ESE | 44.483° | 2026-06-22 17:42:17.874Z | 129.691° SE |
| 4 mins | 2026-06-23 10:21:17.874Z | 212.375° SW | 2026-06-23 10:22:17.874Z | 186.172° SSW | 40.407° | 2026-06-23 10:25:17.874Z | 56.462° ENE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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