STARLINK-34105, 63977
Orbit data source: Space-Track
STARLINK-34105, 63977 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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63977 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-34105
1 63977U 25099AB 26171.46279667 .00022218 00000-0 81406-3 0 9998
2 63977 43.0009 312.3804 0001389 263.3983 96.6710 15.27596946 63008Epoch: 2026-06-20T11:06Z
TLE epoch observation values (Epoch: 2026-06-20T11:06:25.632Z)
Latitude
-0.00005°
Longitude
-122.90352°
Altitude
482.885 km
Speed
7.626 km/s
True Right ascension
20h 49m 31s
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
10:20:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.897 km
Perigee altitude
483.99 km
Semi-major axis
6,863.08 km
Eccentricity
0.00014
Inclination
43.0009°
RAAN
312.3804°
Arg. of periapsis
263.3983°
True anomaly
96.68681°
Mean anomaly
96.671°
Eccentric anomaly
96.6789°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00081406
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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-34105 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 12:25:06.702Z | 210.151° SW | 2026-06-21 12:28:06.702Z | 139.169° SSE | 28.833° | 2026-06-21 12:31:06.702Z | 84.743° E |
| 6 mins | 2026-06-21 14:04:06.702Z | 264.167° W | 2026-06-21 14:07:06.702Z | 37.396° NE | 41.101° | 2026-06-21 14:10:06.702Z | 70.412° E |
| 5 mins | 2026-06-21 15:44:06.702Z | 299.378° NW | 2026-06-21 15:46:06.702Z | 22.938° NE | 37.884° | 2026-06-21 15:49:06.702Z | 80.6° E |
| 5 mins | 2026-06-21 17:23:06.702Z | 281.89° WNW | 2026-06-21 17:25:06.702Z | 166.3° S | 43.534° | 2026-06-21 17:28:06.702Z | 117.182° 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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