IRIDE FM4, 66698
Orbit data source: Space-Track
IRIDE FM4, 66698 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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66698 intel report (Beta)
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Identifier
Orbit
Country
ITRelated business
Manufacturer
OHB-I
Mission
Operational spacecraft
Bus & Motor
EAGLET, Unknown motor
Mass
25 kg wet, 25 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 1.0 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 IRIDE FM4
1 66698U 25276AJ 26063.15957064 .00011150 00000-0 54392-3 0 9995
2 66698 97.4271 138.4620 0004302 33.1334 327.0169 15.18462017 14476Epoch: 2026-03-04T03:49Z
TLE epoch observation values (Epoch: 2026-03-04T03:49:46.903Z)
Latitude
-0.00001°
Longitude
-80.9117°
Altitude
511.09 km
Speed
7.61 km/s
True Right ascension
09h 13m 50s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
09:01:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
510.419 km
Perigee altitude
504.495 km
Semi-major axis
6,885.594 km
Eccentricity
0.00043
Inclination
97.4271°
RAAN
138.462°
Arg. of periapsis
33.1334°
True anomaly
326.99005°
Mean anomaly
327.0169°
Eccentric anomaly
327.00348°
Mean motion
3.79867 °/min
Orbital period
94.77 mins
BSTAR
0.00054392
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Other satellites on launch #276 in the year 2025 (2025-11-28 UTC)
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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.IRIDE FM4 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 | 2026-03-05 05:15:26.968Z | 184.92° SSW | 2026-03-05 05:18:26.968Z | 257.807° W | 38.334° | 2026-03-05 05:21:26.968Z | 335.073° NNW |
| 5 mins | 2026-03-05 18:21:26.968Z | 340.835° N | 2026-03-05 18:23:26.968Z | 290.965° WNW | 28.81° | 2026-03-05 18:26:26.968Z | 225.945° WSW |
| 6 mins | 2026-03-06 04:59:26.968Z | 167.616° S | 2026-03-06 05:02:26.968Z | 344.934° N | 42.875° | 2026-03-06 05:05:26.968Z | 347.807° N |
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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