KUIPER-00142, 65766
Orbit data source: Space-Track
KUIPER-00142, 65766 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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65766 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: 14 hours ago
TLE from 14 hours ago
0 KUIPER-00142
1 65766U 25217E 26171.33671229 -.00006110 00000-0 -77288-3 0 9992
2 65766 51.9010 301.6815 0000789 106.6951 253.4098 14.79946523 40188Epoch: 2026-06-20T08:04Z
TLE epoch observation values (Epoch: 2026-06-20T08:04:51.941Z)
Latitude
-0.00004°
Longitude
-88.08774°
Altitude
630.398 km
Speed
7.544 km/s
True Right ascension
20h 06m 43s
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
08:32:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.497 km
Perigee altitude
629.391 km
Semi-major axis
7,008.081 km
Eccentricity
0.00008
Inclination
51.901°
RAAN
301.6815°
Arg. of periapsis
106.6951°
True anomaly
253.40114°
Mean anomaly
253.4098°
Eccentric anomaly
253.40547°
Mean motion
3.69951 °/min
Orbital period
97.31 mins
BSTAR
-0.00077288
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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-00142 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 10:09:48.581Z | 171.84° S | 2026-06-21 10:12:48.581Z | 122.997° SE | 20.375° | 2026-06-21 10:15:48.581Z | 80.464° E |
| 7 mins | 2026-06-21 11:50:48.581Z | 248.514° W | 2026-06-21 11:53:48.581Z | 340.934° N | 41.865° | 2026-06-21 11:57:48.581Z | 47.095° ENE |
| 5 mins | 2026-06-21 13:33:48.581Z | 310.839° NW | 2026-06-21 13:35:48.581Z | 345.778° N | 20.644° | 2026-06-21 13:38:48.581Z | 31.991° NE |
| 4 mins | 2026-06-21 15:16:48.581Z | 338.853° N | 2026-06-21 15:18:48.581Z | 11.625° NNE | 17.845° | 2026-06-21 15:20:48.581Z | 42.114° NE |
| 7 mins | 2026-06-21 16:57:48.581Z | 324.599° NNW | 2026-06-21 17:00:48.581Z | 20.937° NNE | 32.24° | 2026-06-21 17:04:48.581Z | 95.285° ESE |
| 6 mins | 2026-06-21 18:39:48.581Z | 285.821° WNW | 2026-06-21 18:42:48.581Z | 214.559° SW | 33.417° | 2026-06-21 18:45:48.581Z | 160.47° 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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