STARLINK-32947, 63121
Orbit data source: Space-Track
STARLINK-32947, 63121 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 27 Feb 2025 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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63121 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
33.884 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 STARLINK-32947
1 63121U 25039T 26110.41299849 -.00002399 00000-0 -77743-4 0 9995
2 63121 42.9985 136.6423 0001512 267.1873 92.8806 15.27559437 64450Epoch: 2026-04-20T09:54Z
TLE epoch observation values (Epoch: 2026-04-20T09:54:43.069Z)
Latitude
0.00001°
Longitude
139.45936°
Altitude
482.938 km
Speed
7.626 km/s
True Right ascension
09h 06m 34s
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
15:30:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.094 km
Perigee altitude
484.018 km
Semi-major axis
6,863.193 km
Eccentricity
0.00015
Inclination
42.9985°
RAAN
136.6423°
Arg. of periapsis
267.1873°
True anomaly
92.8979°
Mean anomaly
92.8806°
Eccentric anomaly
92.88925°
Mean motion
3.81728 °/min
Orbital period
94.31 mins
BSTAR
-0.000077743
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Other satellites on launch #39 in the year 2025 (2025-02-27 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-32947 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-21 09:53:39.176Z | 284.835° WNW | 2026-04-21 09:56:39.176Z | 240.322° WSW | 41.787° | 2026-04-21 10:00:39.176Z | 119.928° SE |
| 4 mins | 2026-04-22 04:30:39.176Z | 197.847° SSW | 2026-04-22 04:32:39.176Z | 131.16° SE | 29.912° | 2026-04-22 04:34:39.176Z | 89.78° E |
| 6 mins | 2026-04-22 06:08:39.176Z | 267.353° W | 2026-04-22 06:10:39.176Z | 308.738° NW | 41.558° | 2026-04-22 06:14:39.176Z | 70.715° E |
| 6 mins | 2026-04-22 07:47:39.176Z | 291.865° WNW | 2026-04-22 07:50:39.176Z | 33.497° NE | 37.374° | 2026-04-22 07:53:39.176Z | 82.628° E |
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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