Showing default

FOSSASAT2E23, 66788

Orbit data source: Space-Track

FOSSASAT2E23, 66788 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/66788?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/66788?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

66788, 2025-276ED

Orbit

SSO

Country

ES / SPN

Related business

WISeKey International Holding Ltd (CH)

Manufacturer

Fossa Systems

Mission

Operational Commercial Communications

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

4 kg wet, 4 kg dry

Launch date (UTC)

2025-11-28 (7 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, 14.5 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 FOSSASAT2E23
1 66788U 25276ED  26193.00600545  .00005436  00000-0  24078-3 0  9990
2 66788  97.4241 266.3975 0006315  51.6777 308.5026 15.22034486 34208

Epoch: 2026-07-12T00:08Z

TLE epoch observation values (Epoch: 2026-07-12T00:08:38.870Z)

Latitude

-0.00005°

Longitude

-25.67552°

Altitude

500.094 km

Speed

7.616 km/s

True Right ascension

17h 45m 35s

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

21:07:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

501.01 km

Perigee altitude

492.327 km

Semi-major axis

6,874.806 km

Eccentricity

0.00063

Inclination

97.4241°

RAAN

266.3975°

Arg. of periapsis

51.6777°

True anomaly

308.44594°

Mean anomaly

308.5026°

Eccentric anomaly

308.47427°

Mean motion

3.80761 °/min

Orbital period

94.55 mins

BSTAR

0.00024078

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

LEMUR-2-HOTSPUR-TOM, 66786

PELICAN-6 300D, 66703

IRIDE FM5, 66699

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

FOSSASAT2E23 Visibility forecast

Loading observer location...
Set Observer location

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	2026-07-12 18:03:06.702Z	2.245° NNE	2026-07-12 18:06:06.702Z	313.042° NW	38.099°	2026-07-12 18:09:06.702Z	211.033° SW
5 mins	2026-07-13 04:41:06.702Z	144.178° SSE	2026-07-13 04:43:06.702Z	97.948° ESE	36.401°	2026-07-13 04:46:06.702Z	3.399° NNE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

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

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out FOSSASAT2E23, 66788 on other resources

View FOSSASAT2E23, 66788 on NASA - NSSDCA Website

View FOSSASAT2E23, 66788 on Heavens-Above

View FOSSASAT2E23, 66788 on Keep Track

View FOSSASAT2E23, 66788 on Celestrak

View FOSSASAT2E23, 66788 on Gunter's Space Page

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

FOSSASAT2E23, 66788

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-07-12T00:08:38.870Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FOSSASAT2E23 Visibility forecast

Co-orbital & Co-planar RSOs

Check out FOSSASAT2E23, 66788 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago