FOSSASAT2E21, 64536
Orbit data source: Space-Track
FOSSASAT2E21, 64536 is a payload satellite owned by WiseKey (ES) in SSO that was launched on Mon, 23 Jun 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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64536 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
ES / SPNRelated business
Manufacturer
Fossa Systems
Mission
Operational Commercial Communications
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
4 kg wet, 4 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.1 m
Radar Cross Section
0.035 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 FOSSASAT2E21
1 64536U 25135J 25328.30866687 .00003840 00000-0 19058-3 0 9995
2 64536 97.4524 80.2713 0004600 163.0579 197.0810 15.18290309 23716Epoch: 2025-11-24T07:24Z
TLE epoch observation values (Epoch: 2025-11-24T07:24:28.817Z)
Latitude
0.00002°
Longitude
-94.35927°
Altitude
517.124 km
Speed
7.603 km/s
True Right ascension
05h 21m 05s
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
14:19:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
511.145 km
Perigee altitude
504.81 km
Semi-major axis
6,886.115 km
Eccentricity
0.00046
Inclination
97.4524°
RAAN
80.2713°
Arg. of periapsis
163.0579°
True anomaly
197.06553°
Mean anomaly
197.081°
Eccentric anomaly
197.07326°
Mean motion
3.79823 °/min
Orbital period
94.78 mins
BSTAR
0.00019058
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Other satellites on launch #135 in the year 2025 (2025-06-23 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.FOSSASAT2E21 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 | 2025-11-24 20:37:08.185Z | 6.628° NNE | 2025-11-24 20:40:08.185Z | 319.242° NNW | 42.559° | 2025-11-24 20:43:08.185Z | 202.16° SSW |
| 5 mins | 2025-11-25 07:17:08.185Z | 131.001° SE | 2025-11-25 07:19:08.185Z | 63.959° ENE | 34.007° | 2025-11-25 07:22:08.185Z | 3.724° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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