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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 spacecraft

Bus & Motor

EAGLET, Unknown motor

Mass

25 kg wet, 25 kg dry

Launch date (UTC)

2025-11-28 (2 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 1.0 m

Radar Cross Section

RCS unknown

Expand to show TLE details & history
Last TLE update: 4 hours ago

TLE from 4 hours ago

0 IRIDE FM3
1 66697U 25276AH  26035.17752697  .00010206  00000-0  49164-3 0  9992
2 66697  97.4317 111.0616 0002713  82.4088 277.7455 15.18927015 10238

Epoch: 2026-02-04T04:15Z

TLE epoch observation values (Epoch: 2026-02-04T04:15:38.330Z)

Latitude

0.00004°

Longitude

-87.19596°

Altitude

511.919 km

Speed

7.608 km/s

True Right ascension

07h 24m 14s

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

10:13:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

507.918 km

Perigee altitude

504.183 km

Semi-major axis

6,884.188 km

Eccentricity

0.00027

Inclination

97.4317°

RAAN

111.0616°

Arg. of periapsis

82.4088°

True anomaly

277.71469°

Mean anomaly

277.7455°

Eccentric anomaly

277.7301°

Mean motion

3.79983 °/min

Orbital period

94.74 mins

BSTAR

0.00049164

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

W-SERIES 5, 66747 (Decayed)

LEMUR-2-STAS-GORBUK, 66686

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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.
6 mins	2026-02-04 17:28:53.504Z	30.176° NE	2026-02-04 17:31:53.504Z	119.663° SE	34.82°	2026-02-04 17:34:53.504Z	173.02° S
4 mins	2026-02-05 05:41:53.504Z	222.208° SW	2026-02-05 05:43:53.504Z	269.104° W	22.916°	2026-02-05 05:45:53.504Z	311.158° NW

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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: 4 hours ago

TLE from 4 hours ago

TLE epoch observation values (Epoch: 2026-02-04T04:15:38.330Z)

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: 4 hours ago