KUIPER-00151, 65771
Orbit data source: Space-Track
KUIPER-00151, 65771 is 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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65771 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Kuiper Systems
Mission
Operational 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: 10 hours ago
TLE from 10 hours ago
0 KUIPER-00151
1 65771U 25217K 26171.42992904 .00001081 00000-0 17075-3 0 9992
2 65771 51.9033 308.7979 0000747 121.3419 238.7617 14.79930126 40090Epoch: 2026-06-20T10:19Z
TLE epoch observation values (Epoch: 2026-06-20T10:19:05.869Z)
Latitude
0.00004°
Longitude
-114.6212°
Altitude
630.563 km
Speed
7.544 km/s
True Right ascension
20h 35m 11s
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
07:15:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.519 km
Perigee altitude
629.472 km
Semi-major axis
7,008.132 km
Eccentricity
0.00007
Inclination
51.9033°
RAAN
308.7979°
Arg. of periapsis
121.3419°
True anomaly
238.75438°
Mean anomaly
238.7617°
Eccentric anomaly
238.75804°
Mean motion
3.69947 °/min
Orbital period
97.31 mins
BSTAR
0.00017075
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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-00151 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 | 2026-06-21 10:47:22.367Z | 172.579° S | 2026-06-21 10:49:22.367Z | 138.467° SSE | 22.839° | 2026-06-21 10:53:22.367Z | 76.062° E |
| 7 mins | 2026-06-21 12:28:22.367Z | 255.616° W | 2026-06-21 12:31:22.367Z | 351.513° N | 39.261° | 2026-06-21 12:35:22.367Z | 46.229° ENE |
| 5 mins | 2026-06-21 14:11:22.367Z | 315.529° NNW | 2026-06-21 14:13:22.367Z | 350.386° N | 19.835° | 2026-06-21 14:16:22.367Z | 34.188° NE |
| 4 mins | 2026-06-21 15:54:22.367Z | 342.21° N | 2026-06-21 15:56:22.367Z | 15.959° NNE | 18.14° | 2026-06-21 15:58:22.367Z | 45.994° ENE |
| 7 mins | 2026-06-21 17:35:22.367Z | 324.824° NNW | 2026-06-21 17:38:22.367Z | 29.45° NE | 34.394° | 2026-06-21 17:42:22.367Z | 100.244° ESE |
| 6 mins | 2026-06-21 19:17:22.367Z | 279.638° WNW | 2026-06-21 19:19:22.367Z | 239.594° WSW | 30.215° | 2026-06-21 19:23:22.367Z | 163.572° S |
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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