STARLINK-34187, 63956
Orbit data source: Space-Track
STARLINK-34187, 63956 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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63956 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: 1 day ago
TLE from 1 day ago
0 STARLINK-34187
1 63956U 25099E 26170.49822272 .00020885 00000-0 76595-3 0 9994
2 63956 42.9984 321.5186 0002043 275.4615 84.6004 15.27594271 62904Epoch: 2026-06-19T11:57Z
TLE epoch observation values (Epoch: 2026-06-19T11:57:26.443Z)
Latitude
-0.00001°
Longitude
-125.56792°
Altitude
482.65 km
Speed
7.626 km/s
True Right ascension
21h 26m 04s
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
10:20:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.354 km
Perigee altitude
483.55 km
Semi-major axis
6,863.089 km
Eccentricity
0.0002
Inclination
42.9984°
RAAN
321.5186°
Arg. of periapsis
275.4615°
True anomaly
84.62371°
Mean anomaly
84.6004°
Eccentric anomaly
84.61205°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00076595
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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-34187 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 12:48:03.586Z | 220.342° SW | 2026-06-21 12:51:03.586Z | 170.654° S | 31.103° | 2026-06-21 12:54:03.586Z | 88.296° E |
| 6 mins | 2026-06-21 14:28:03.586Z | 269.137° W | 2026-06-21 14:30:03.586Z | 314.739° NW | 41.43° | 2026-06-21 14:34:03.586Z | 70.828° E |
| 6 mins | 2026-06-21 16:07:03.586Z | 292.451° WNW | 2026-06-21 16:10:03.586Z | 36.962° NE | 37.298° | 2026-06-21 16:13:03.586Z | 83.719° E |
| 6 mins | 2026-06-21 17:46:03.586Z | 282.207° WNW | 2026-06-21 17:49:03.586Z | 160.186° S | 40.698° | 2026-06-21 17:52:03.586Z | 121.288° 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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