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FORESAIL-1 PRIME, 66778

Orbit data source: Space-Track

FORESAIL-1 PRIME, 66778 is a payload satellite owned by Aalto univ. (FI) 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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Iframe URL

https://www.satcat.com/sats-embedded/66778?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66778, 2025-276DS

Orbit

SSO

Country

FI / FIN

Related business

Aalto University (FI)

Manufacturer

Aalto univ.

Mission

Operational Amateur Technology

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

4 kg wet, 4 kg dry

Launch date (UTC)

2025-11-28 (6 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 1 week ago

TLE from 1 week ago

0 FORESAIL-1 PRIME
1 66778U 25276DS  26154.88437377  .00005984  00000-0  29269-3 0  9998
2 66778  97.4202 228.3996 0003556 131.6607 228.4932 15.18574549 28382

Epoch: 2026-06-03T21:13Z

TLE epoch observation values (Epoch: 2026-06-03T21:13:29.893Z)

Latitude

-0.00006°

Longitude

17.68847°

Altitude

514.86 km

Speed

7.605 km/s

True Right ascension

15h 13m 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

20:54:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

509.565 km

Perigee altitude

504.668 km

Semi-major axis

6,885.253 km

Eccentricity

0.00036

Inclination

97.4202°

RAAN

228.3996°

Arg. of periapsis

131.6607°

True anomaly

228.46269°

Mean anomaly

228.4932°

Eccentric anomaly

228.47795°

Mean motion

3.79895 °/min

Orbital period

94.76 mins

BSTAR

0.00029269

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

PELICAN-5 300C, 66667

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FORESAIL-1 PRIME 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	2026-06-10 18:16:02.011Z	339.084° N	2026-06-10 18:18:02.011Z	277.738° WNW	30.793°	2026-06-10 18:21:02.011Z	220.307° SW
5 mins	2026-06-11 04:54:02.011Z	162.182° S	2026-06-11 04:56:02.011Z	122.242° SE	44.334°	2026-06-11 04:59:02.011Z	350.814° N

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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 FORESAIL-1 PRIME, 66778 on other resources

View FORESAIL-1 PRIME, 66778 on NASA - NSSDCA Website

View FORESAIL-1 PRIME, 66778 on Heavens-Above

View FORESAIL-1 PRIME, 66778 on Keep Track

View FORESAIL-1 PRIME, 66778 on Celestrak

View FORESAIL-1 PRIME, 66778 on Gunter's Space Page

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

FORESAIL-1 PRIME, 66778

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-03T21:13:29.893Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

FORESAIL-1 PRIME Visibility forecast

Co-orbital & Co-planar RSOs

Check out FORESAIL-1 PRIME, 66778 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago