IRIS-A, 51044 (Decayed)
Orbit data source: Space-Track
IRIS-A, 51044 was a payload satellite owned by NCKU (TW) in LEO that was launched on Thu, 13 Jan 2022 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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51044 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
TW / TWNRelated business
Manufacturer
NCKU
Mission
Decayed Amateur Communications
Bus & Motor
CUBESAT 2U, Unknown motor
Mass
3 kg wet, 3 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.025 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 6 months ago
TLE from 6 months ago
0 IRIS-A
1 51044U 22002BN 25156.23223756 .06819668 24683-5 74732-3 0 9997
2 51044 97.2958 237.7951 0014427 259.4872 100.4801 16.37001057189221Epoch: 2025-06-05T05:34Z
TLE epoch observation values (Epoch: 2025-06-05T05:34:25.325Z)
Latitude
0.00001°
Longitude
-99.71424°
Altitude
178.776 km
Speed
7.798 km/s
True Right ascension
15h 51m 10s
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
08:41:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
180.047 km
Perigee altitude
161.151 km
Semi-major axis
6,548.736 km
Eccentricity
0.00144
Inclination
97.2958°
RAAN
237.7951°
Arg. of periapsis
259.4872°
True anomaly
100.64261°
Mean anomaly
100.4801°
Eccentric anomaly
100.56136°
Mean motion
4.0955 °/min
Orbital period
87.9 mins
BSTAR
0.00074732
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Other satellites on launch #2 in the year 2022 (2022-01-13 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.IRIS-A Visibility
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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. |
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| This satellite is decayed. |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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