KUIPER-00139, 65765
Orbit data source: Space-Track
KUIPER-00139, 65765 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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65765 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: 20 hours ago
TLE from 20 hours ago
0 KUIPER-00139
1 65765U 25217D 26171.00002315 -.00032830 00000-0 -42994-2 0 9992
2 65765 51.8979 288.2132 0000967 73.6417 24.9235 14.79923803 5057Epoch: 2026-06-20T00:00Z
TLE epoch observation values (Epoch: 2026-06-20T00:00:02.000Z)
Latitude
51.23968°
Longitude
123.72302°
Altitude
634.944 km
Speed
7.547 km/s
True Right ascension
02h 07m 48s
True Declination
51° 04' 07"
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
07:12:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.694 km
Perigee altitude
629.338 km
Semi-major axis
7,008.153 km
Eccentricity
0.0001
Inclination
51.8979°
RAAN
288.2132°
Arg. of periapsis
73.6417°
True anomaly
24.92817°
Mean anomaly
24.9235°
Eccentric anomaly
24.92584°
Mean motion
3.69946 °/min
Orbital period
97.31 mins
BSTAR
-0.0042994
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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-00139 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-21 09:44:39.844Z | 202.768° SW | 2026-06-21 09:48:39.844Z | 131.857° SE | 33.452° | 2026-06-21 09:52:39.844Z | 65.549° ENE |
| 6 mins | 2026-06-21 11:27:39.844Z | 275.513° WNW | 2026-06-21 11:29:39.844Z | 317.254° NNW | 31.973° | 2026-06-21 11:33:39.844Z | 38.066° NE |
| 5 mins | 2026-06-21 13:10:39.844Z | 322.355° NNW | 2026-06-21 13:12:39.844Z | 354.59° N | 17.943° | 2026-06-21 13:15:39.844Z | 37° NE |
| 5 mins | 2026-06-21 14:53:39.844Z | 344.624° N | 2026-06-21 14:55:39.844Z | 21.005° NNE | 20.458° | 2026-06-21 14:58:39.844Z | 64.173° ENE |
| 7 mins | 2026-06-21 16:34:39.844Z | 317.662° NNW | 2026-06-21 16:37:39.844Z | 46.533° ENE | 41.811° | 2026-06-21 16:41:39.844Z | 115.759° SE |
| 5 mins | 2026-06-21 18:16:39.844Z | 265.246° W | 2026-06-21 18:18:39.844Z | 230.579° WSW | 20.7° | 2026-06-21 18:21:39.844Z | 184.556° SSW |
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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