KUIPER-00171, 65784 (Decayed)
Orbit data source: Space-Track
KUIPER-00171, 65784 was a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Thu, 25 Sep 2025 UTC via an ATLAS V 551 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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65784 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Kuiper Systems
Mission
Decayed Commercial Communications
Bus & Motor
KUIPER, Unknown motor
Mass
~490 kg wet, ~490 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 3.4 m
Radar Cross Section
2.326 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 4 months ago
TLE from 4 months ago
0 KUIPER-00171
1 65784U 25217Y 26039.07139127 .18800578 12405-4 14515-2 0 9998
2 65784 51.8295 118.6657 0003086 288.7512 71.3183 16.39502814 21247Epoch: 2026-02-08T01:42Z
TLE epoch observation values (Epoch: 2026-02-08T01:42:48.205Z)
Latitude
0.00002°
Longitude
-45.22096°
Altitude
167.27 km
Speed
7.808 km/s
True Right ascension
07h 54m 39s
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
07:12:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
169.64 km
Perigee altitude
165.6 km
Semi-major axis
6,545.757 km
Eccentricity
0.00031
Inclination
51.8295°
RAAN
118.6657°
Arg. of periapsis
288.7512°
True anomaly
71.3518°
Mean anomaly
71.3183°
Eccentric anomaly
71.33505°
Mean motion
4.0983 °/min
Orbital period
87.84 mins
BSTAR
0.0014515
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Other satellites on launch #217 in the year 2025 (2025-09-25 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.KUIPER-00171 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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