STARLINK-33879, 63634
Orbit data source: Space-Track
STARLINK-33879, 63634 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Apr 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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63634 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-33879
1 63634U 25083A 26171.28622316 .00008706 00000-0 32554-3 0 9990
2 63634 43.0002 146.1439 0000993 254.4408 105.6334 15.27578438 65754Epoch: 2026-06-20T06:52Z
TLE epoch observation values (Epoch: 2026-06-20T06:52:09.681Z)
Latitude
-0°
Longitude
134.60053°
Altitude
483.013 km
Speed
7.626 km/s
True Right ascension
09h 44m 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
07:17:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.68 km
Perigee altitude
484.317 km
Semi-major axis
6,863.136 km
Eccentricity
0.0001
Inclination
43.0002°
RAAN
146.1439°
Arg. of periapsis
254.4408°
True anomaly
105.64436°
Mean anomaly
105.6334°
Eccentric anomaly
105.63888°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00032554
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Other satellites on launch #83 in the year 2025 (2025-04-25 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-33879 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 | 2026-06-21 01:56:14.290Z | 219.708° SW | 2026-06-21 01:58:14.290Z | 151.297° SSE | 37.846° | 2026-06-21 02:01:14.290Z | 80.209° E |
| 5 mins | 2026-06-21 03:35:14.290Z | 279.593° WNW | 2026-06-21 03:37:14.290Z | 358.231° N | 40.463° | 2026-06-21 03:40:14.290Z | 69.433° E |
| 5 mins | 2026-06-21 05:14:14.290Z | 295.922° NW | 2026-06-21 05:16:14.290Z | 357.501° N | 40.29° | 2026-06-21 05:19:14.290Z | 86.428° E |
| 5 mins | 2026-06-21 06:53:14.290Z | 273.556° WNW | 2026-06-21 06:55:14.290Z | 212.217° SW | 38.024° | 2026-06-21 06:58:14.290Z | 132.625° 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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