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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-34170
1 63955U 25099D 26093.54478786 .00036596 00000-0 13301-2 0 9991
2 63955 43.0035 36.1956 0003671 278.8233 81.2203 15.27644153 51128Epoch: 2026-04-03T13:04Z
TLE epoch observation values (Epoch: 2026-04-03T13:04:29.671Z)
Latitude
-0°
Longitude
8.19459°
Altitude
482.249 km
Speed
7.626 km/s
True Right ascension
02h 24m 46s
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
18:18:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
487.321 km
Perigee altitude
482.282 km
Semi-major axis
6,862.939 km
Eccentricity
0.00037
Inclination
43.0035°
RAAN
36.1956°
Arg. of periapsis
278.8233°
True anomaly
81.26188°
Mean anomaly
81.2203°
Eccentric anomaly
81.24109°
Mean motion
3.81749 °/min
Orbital period
94.3 mins
BSTAR
0.0013301
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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 | 2026-04-04 23:51:01.589Z | 238.189° WSW | 2026-04-04 23:53:01.589Z | 171.212° S | 43.55° | 2026-04-04 23:56:01.589Z | 75.256° E |
| 5 mins | 2026-04-05 01:30:01.589Z | 285.895° WNW | 2026-04-05 01:32:01.589Z | 345.683° N | 38.497° | 2026-04-05 01:35:01.589Z | 70.159° E |
| 6 mins | 2026-04-05 03:09:01.589Z | 293.208° NW | 2026-04-05 03:11:01.589Z | 334.831° NNW | 41.941° | 2026-04-05 03:15:01.589Z | 97.653° ESE |
| 5 mins | 2026-04-05 04:48:01.589Z | 265.749° W | 2026-04-05 04:50:01.589Z | 215.821° SW | 30.066° | 2026-04-05 04:53:01.589Z | 147.074° 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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