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FOSSASAT2E24, 66780

Orbit data source: Space-Track

FOSSASAT2E24, 66780 is a Spanish payload satellite in SSO that was launched on Fri, 28 Nov 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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https://www.satcat.com/sats-embedded/66780?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66780, 2025-276DU

Orbit

SSO

Country

ES / SPN

Related business

WISeKey International Holding Ltd (CH)

Manufacturer

Fossa Systems

Mission

Operational Commercial Technology

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

4 kg wet, 4 kg dry

Launch date (UTC)

2025-11-28 (9 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.2 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 FOSSASAT2E24
1 66780U 25276DU  26238.16539316  .00003355  00000-0  16219-3 0  9992
2 66780  97.4129 310.1883 0003074 233.3081 126.7872 15.19296843 41038

Epoch: 2026-08-26T03:58Z

TLE epoch observation values (Epoch: 2026-08-26T03:58:09.969Z)

Latitude

0.00005°

Longitude

-83.77555°

Altitude

512.322 km

Speed

7.607 km/s

True Right ascension

20h 40m 45s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

09:51:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

507.047 km

Perigee altitude

502.816 km

Semi-major axis

6,883.069 km

Eccentricity

0.00031

Inclination

97.4129°

RAAN

310.1883°

Arg. of periapsis

233.3081°

True anomaly

126.8154°

Mean anomaly

126.7872°

Eccentric anomaly

126.8013°

Mean motion

3.80076 °/min

Orbital period

94.72 mins

BSTAR

0.00016219

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Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)

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FOSSASAT2E24 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.
4 mins	2026-08-26 18:45:22.845Z	330.532° NNW	2026-08-26 18:47:22.845Z	297.165° NW	15.577°	2026-08-26 18:49:22.845Z	260.549° W
5 mins	2026-08-27 05:24:22.845Z	212.107° SW	2026-08-27 05:26:22.845Z	278.697° WNW	30.626°	2026-08-27 05:29:22.845Z	330.943° NNW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out FOSSASAT2E24, 66780 on other resources

View FOSSASAT2E24, 66780 on NASA - NSSDCA Website

View FOSSASAT2E24, 66780 on Heavens-Above

View FOSSASAT2E24, 66780 on Keep Track

View FOSSASAT2E24, 66780 on Celestrak

View FOSSASAT2E24, 66780 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

FOSSASAT2E24, 66780

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-08-26T03:58:09.969Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)

FOSSASAT2E24 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FOSSASAT2E24, 66780 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago