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IRIDE FM3, 66697

Orbit data source: Space-Track

IRIDE FM3, 66697 is an Italian 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/66697?theme=dark&initialShowStats=false

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Identifier

66697, 2025-276AH

Orbit

SSO

Country

Related business

Italian Space Agency (IT)

Manufacturer

OHB-I

Mission

Operational Commercial Technology

Bus & Motor

EAGLET, Unknown motor

Mass

25 kg wet, 25 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, 1.0 m

Radar Cross Section

0.368 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 IRIDE FM3
1 66697U 25276AH  26192.75796135  .00004649  00000-0  21163-3 0  9998
2 66697  97.4179 266.1497 0001572 168.2439 191.8833 15.21183615 34177

Epoch: 2026-07-11T18:11Z

TLE epoch observation values (Epoch: 2026-07-11T18:11:27.860Z)

Latitude

-0.0001°

Longitude

63.61704°

Altitude

506.42 km

Speed

7.61 km/s

True Right ascension

17h 44m 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

19:40:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

500.315 km

Perigee altitude

498.153 km

Semi-major axis

6,877.371 km

Eccentricity

0.00016

Inclination

97.4179°

RAAN

266.1497°

Arg. of periapsis

168.2439°

True anomaly

191.87959°

Mean anomaly

191.8833°

Eccentric anomaly

191.88145°

Mean motion

3.80548 °/min

Orbital period

94.6 mins

BSTAR

0.00021163

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

LEMUR-2-CELIJO-SB-PK, 66781

LEMUR-2-STARLIGHT, 66783

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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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IRIDE FM3 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	2026-07-12 18:27:03.525Z	327.726° NNW	2026-07-12 18:28:03.525Z	303.268° NW	24.765°	2026-07-12 18:31:03.525Z	234.134° WSW
5 mins	2026-07-13 05:04:03.525Z	174.673° S	2026-07-13 05:06:03.525Z	292.502° NW	44.17°	2026-07-13 05:09:03.525Z	344.8° 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 IRIDE FM3, 66697 on other resources

View IRIDE FM3, 66697 on NASA - NSSDCA Website

View IRIDE FM3, 66697 on Heavens-Above

View IRIDE FM3, 66697 on Keep Track

View IRIDE FM3, 66697 on Celestrak

View IRIDE FM3, 66697 on Gunter's Space Page

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

IRIDE FM3, 66697

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-07-11T18:11:27.860Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

IRIDE FM3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDE FM3, 66697 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago