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PIAST-S1, 66749

Orbit data source: Space-Track

PIAST-S1, 66749 is a Polish 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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Iframe URL

https://www.satcat.com/sats-embedded/66749?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

66749, 2025-276CM

Orbit

SSO

Country

PL / POL

Related business

Military University of Technology (PL)

Manufacturer

CREO

Mission

Operational Amateur Imaging

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

12 kg wet, 12 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 + 1 Pan, 0.1 m

Radar Cross Section

0.080 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 6 days ago

TLE from 6 days ago

0 PIAST-S1
1 66749U 25276CM  26155.11307415  .00006100  00000-0  28527-3 0  9999
2 66749  97.4191 228.9795 0003048  46.9086 313.2404 15.20125700 28443

Epoch: 2026-06-04T02:42Z

TLE epoch observation values (Epoch: 2026-06-04T02:42:49.606Z)

Latitude

-0.00001°

Longitude

-64.2892°

Altitude

507.114 km

Speed

7.611 km/s

True Right ascension

15h 15m 55s

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

23:22:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.525 km

Perigee altitude

500.33 km

Semi-major axis

6,880.564 km

Eccentricity

0.0003

Inclination

97.4191°

RAAN

228.9795°

Arg. of periapsis

46.9086°

True anomaly

313.21495°

Mean anomaly

313.2404°

Eccentric anomaly

313.22768°

Mean motion

3.80283 °/min

Orbital period

94.67 mins

BSTAR

0.00028527

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

LEMUR-2-HOTSPUR-TOM, 66786

PELICAN-5 300C, 66667

LEMUR-2-TEODOR, 66768

LEMUR-2-LAILA, 66776

LEMUR-2-VUKASIN, 66785

HYDROGNSS-1, 66762

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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.

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PIAST-S1 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	2026-06-10 17:15:32.720Z	34.943° NE	2026-06-10 17:18:32.720Z	97.492° ESE	28.034°	2026-06-10 17:21:32.720Z	159.843° S
4 mins	2026-06-11 05:28:32.720Z	214.225° SW	2026-06-11 05:30:32.720Z	278.678° WNW	29.359°	2026-06-11 05:32:32.720Z	321.983° 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 PIAST-S1, 66749 on other resources

View PIAST-S1, 66749 on NASA - NSSDCA Website

View PIAST-S1, 66749 on Heavens-Above

View PIAST-S1, 66749 on Keep Track

View PIAST-S1, 66749 on Celestrak

View PIAST-S1, 66749 on Gunter's Space Page

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

PIAST-S1, 66749

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 days ago

TLE from 6 days ago

TLE epoch observation values (Epoch: 2026-06-04T02:42:49.606Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

PIAST-S1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out PIAST-S1, 66749 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 days ago