STARLINK-34028, 63973
Orbit data source: Space-Track
STARLINK-34028, 63973 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 13 May 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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63973 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-34028
1 63973U 25099X 26171.47640900 .00022840 00000-0 82903-3 0 9991
2 63973 43.0002 312.4880 0001767 264.9310 95.1340 15.27892249 63090Epoch: 2026-06-20T11:26Z
TLE epoch observation values (Epoch: 2026-06-20T11:26:01.737Z)
Latitude
-0.00003°
Longitude
-127.70975°
Altitude
481.998 km
Speed
7.626 km/s
True Right ascension
20h 49m 57s
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
10:20:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.272 km
Perigee altitude
482.847 km
Semi-major axis
6,862.197 km
Eccentricity
0.00018
Inclination
43.0002°
RAAN
312.488°
Arg. of periapsis
264.931°
True anomaly
95.15417°
Mean anomaly
95.134°
Eccentric anomaly
95.14408°
Mean motion
3.81811 °/min
Orbital period
94.29 mins
BSTAR
0.00082903
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Other satellites on launch #99 in the year 2025 (2025-05-13 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-34028 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 | 2026-06-21 12:45:08.670Z | 222.305° SW | 2026-06-21 12:48:08.670Z | 145.205° SSE | 35.343° | 2026-06-21 12:51:08.670Z | 81.42° E |
| 5 mins | 2026-06-21 14:25:08.670Z | 277.877° WNW | 2026-06-21 14:27:08.670Z | 11.975° NNE | 40.742° | 2026-06-21 14:30:08.670Z | 69.793° E |
| 5 mins | 2026-06-21 16:04:08.670Z | 297.587° NW | 2026-06-21 16:06:08.670Z | 11.512° NNE | 39.73° | 2026-06-21 16:09:08.670Z | 84.822° E |
| 5 mins | 2026-06-21 17:43:08.670Z | 274.892° WNW | 2026-06-21 17:45:08.670Z | 198.229° SSW | 40.182° | 2026-06-21 17:48:08.670Z | 127.563° 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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