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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-34187
1 63956U 25099E 26093.53837124 .00009752 00000-0 36329-3 0 9996
2 63956 43.0045 36.1448 0001279 254.4083 105.6627 15.27593733 51130Epoch: 2026-04-03T12:55Z
TLE epoch observation values (Epoch: 2026-04-03T12:55:15.275Z)
Latitude
-0.00004°
Longitude
10.46005°
Altitude
483.021 km
Speed
7.626 km/s
True Right ascension
02h 24m 34s
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
17:28:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.83 km
Perigee altitude
484.075 km
Semi-major axis
6,863.089 km
Eccentricity
0.00013
Inclination
43.0045°
RAAN
36.1448°
Arg. of periapsis
254.4083°
True anomaly
105.67681°
Mean anomaly
105.6627°
Eccentric anomaly
105.66976°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00036329
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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 | 2026-04-04 23:40:52.833Z | 234.934° WSW | 2026-04-04 23:43:52.833Z | 125.139° SE | 40.977° | 2026-04-04 23:46:52.833Z | 75.977° E |
| 5 mins | 2026-04-05 01:20:52.833Z | 287.848° WNW | 2026-04-05 01:22:52.833Z | 14.848° NNE | 38.488° | 2026-04-05 01:25:52.833Z | 71.333° E |
| 5 mins | 2026-04-05 02:59:52.833Z | 296.738° NW | 2026-04-05 03:01:52.833Z | 21.066° NNE | 41.999° | 2026-04-05 03:04:52.833Z | 92.834° ESE |
| 5 mins | 2026-04-05 04:38:52.833Z | 263.963° W | 2026-04-05 04:40:52.833Z | 198.711° SSW | 32.883° | 2026-04-05 04:43:52.833Z | 139.553° 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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