KUIPER-00129, 65958
Orbit data source: Space-Track
KUIPER-00129, 65958 is a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Tue, 14 Oct 2025 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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65958 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: 11 hours ago
TLE from 11 hours ago
0 KUIPER-00129
1 65958U 25228M 26171.38795671 .00000303 00000-0 68747-4 0 9997
2 65958 51.9000 253.9760 0000345 120.5370 239.5626 14.79931641 38618Epoch: 2026-06-20T09:18Z
TLE epoch observation values (Epoch: 2026-06-20T09:18:39.459Z)
Latitude
-0.00007°
Longitude
-154.29177°
Altitude
630.409 km
Speed
7.544 km/s
True Right ascension
16h 55m 54s
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
07:15:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.233 km
Perigee altitude
629.749 km
Semi-major axis
7,008.128 km
Eccentricity
0.00003
Inclination
51.9°
RAAN
253.976°
Arg. of periapsis
120.537°
True anomaly
239.55919°
Mean anomaly
239.5626°
Eccentric anomaly
239.5609°
Mean motion
3.69948 °/min
Orbital period
97.31 mins
BSTAR
0.000068747
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Other satellites on launch #228 in the year 2025 (2025-10-14 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-00129 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-21 08:11:36.537Z | 222.422° SW | 2026-06-21 08:14:36.537Z | 102.564° ESE | 43.774° | 2026-06-21 08:18:36.537Z | 55.117° ENE |
| 6 mins | 2026-06-21 09:53:36.537Z | 290.827° WNW | 2026-06-21 09:56:36.537Z | 348.432° N | 24.828° | 2026-06-21 09:59:36.537Z | 34.425° NE |
| 4 mins | 2026-06-21 11:37:36.537Z | 339.689° N | 2026-06-21 11:38:36.537Z | 355.865° N | 17.097° | 2026-06-21 11:41:36.537Z | 39.836° NE |
| 6 mins | 2026-06-21 13:18:36.537Z | 330.139° NNW | 2026-06-21 13:21:36.537Z | 23.801° NE | 25.347° | 2026-06-21 13:24:36.537Z | 74.916° E |
| 7 mins | 2026-06-21 15:00:36.537Z | 301.953° NW | 2026-06-21 15:03:36.537Z | 186.85° SSW | 43.602° | 2026-06-21 15:07:36.537Z | 135.984° SSE |
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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