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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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ISO8601 Format

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 (6 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

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

TLE from 13 hours ago

0 IRIDE FM3
1 66697U 25276AH  26141.17356415  .00003601  00000-0  16840-3 0  9994
2 66697  97.4185 215.3589 0003139  77.7863 282.3724 15.20401238 26335

Epoch: 2026-05-21T04:09Z

TLE epoch observation values (Epoch: 2026-05-21T04:09:55.942Z)

Latitude

-0°

Longitude

-85.94676°

Altitude

507.258 km

Speed

7.611 km/s

True Right ascension

14h 21m 26s

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

01:44:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

503.755 km

Perigee altitude

499.436 km

Semi-major axis

6,879.732 km

Eccentricity

0.00031

Inclination

97.4185°

RAAN

215.3589°

Arg. of periapsis

77.7863°

True anomaly

282.33726°

Mean anomaly

282.3724°

Eccentric anomaly

282.35483°

Mean motion

3.80352 °/min

Orbital period

94.65 mins

BSTAR

0.0001684

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

FLOCK 4H 6, 66709

LILIUM-3, 66770

LEMUR-2-TEODOR, 66768

PELICAN-5 300C, 66667

LEMUR-2-VUKASIN, 66785

HYDROGNSS-1, 66762

HYDROGNSS-2, 66763

LILIUM-2, 66679

NUSAT-51 (YVONNE BRILL), 66740

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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	2026-05-21 17:22:27.924Z	34.452° NE	2026-05-21 17:25:27.924Z	114.946° SE	31.056°	2026-05-21 17:28:27.924Z	167.943° S
5 mins	2026-05-22 05:34:27.924Z	212.077° SW	2026-05-22 05:36:27.924Z	259.68° W	26.431°	2026-05-22 05:39:27.924Z	322.858° 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 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: 2026-05-21T04:09:55.942Z)

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