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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Edit Public Description
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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-34105
1 63977U 25099AB 25346.90751234 .00039061 00000-0 14208-2 0 9994
2 63977 43.0005 302.8877 0001209 272.6822 87.3892 15.27594666 34018Epoch: 2025-12-12T21:46Z
TLE epoch observation values (Epoch: 2025-12-12T21:46:49.066Z)
Latitude
0.00005°
Longitude
-105.65909°
Altitude
482.743 km
Speed
7.626 km/s
True Right ascension
20h 11m 33s
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
07:30:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.78 km
Perigee altitude
484.121 km
Semi-major axis
6,863.087 km
Eccentricity
0.00012
Inclination
43.0005°
RAAN
302.8877°
Arg. of periapsis
272.6822°
True anomaly
87.40304°
Mean anomaly
87.3892°
Eccentric anomaly
87.39612°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.0014208
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-14 00:41:51.482Z | 217.425° SW | 2025-12-14 00:43:51.482Z | 137.216° SSE | 37.481° | 2025-12-14 00:46:51.482Z | 79.103° E |
| 5 mins | 2025-12-14 02:20:51.482Z | 282.154° WNW | 2025-12-14 02:22:51.482Z | 15.926° NNE | 39.656° | 2025-12-14 02:25:51.482Z | 70.307° E |
| 5 mins | 2025-12-14 03:59:51.482Z | 297.925° NW | 2025-12-14 04:01:51.482Z | 17.187° NNE | 40.41° | 2025-12-14 04:04:51.482Z | 87.571° E |
| 5 mins | 2025-12-14 05:38:51.482Z | 270.861° WNW | 2025-12-14 05:40:51.482Z | 196.492° SSW | 37.802° | 2025-12-14 05:43:51.482Z | 131.684° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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