STARLINK-34170, 63955
Orbit data source: Space-Track
STARLINK-34170, 63955 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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63955 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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-34170
1 63955U 25099D 26098.18724357 .00024721 00000-0 90437-3 0 9997
2 63955 43.0035 9.9793 0001565 260.7347 99.3327 15.27597687 51835Epoch: 2026-04-08T04:29Z
TLE epoch observation values (Epoch: 2026-04-08T04:29:37.844Z)
Latitude
-0.00007°
Longitude
106.11834°
Altitude
482.946 km
Speed
7.626 km/s
True Right ascension
00h 39m 55s
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
15:55:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.015 km
Perigee altitude
483.867 km
Semi-major axis
6,863.078 km
Eccentricity
0.00016
Inclination
43.0035°
RAAN
9.9793°
Arg. of periapsis
260.7347°
True anomaly
99.3504°
Mean anomaly
99.3327°
Eccentric anomaly
99.34155°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00090437
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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-34170 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 | 2026-04-08 22:00:08.403Z | 234.452° WSW | 2026-04-08 22:02:08.403Z | 180.907° SSW | 42.056° | 2026-04-08 22:05:08.403Z | 77.015° E |
| 5 mins | 2026-04-08 23:39:08.403Z | 283.044° WNW | 2026-04-08 23:41:08.403Z | 336.541° NNW | 38.519° | 2026-04-08 23:44:08.403Z | 68.903° E |
| 6 mins | 2026-04-09 01:18:08.403Z | 293.178° NW | 2026-04-09 01:20:08.403Z | 329.33° NNW | 40.384° | 2026-04-09 01:24:08.403Z | 95.067° ESE |
| 5 mins | 2026-04-09 02:57:08.403Z | 269.672° W | 2026-04-09 02:59:08.403Z | 222.734° SW | 31.754° | 2026-04-09 03:02:08.403Z | 144.742° SSE |
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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