KUIPER-00121, 65950
Orbit data source: Space-Track
KUIPER-00121, 65950 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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65950 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: 9 hours ago
TLE from 9 hours ago
0 KUIPER-00121
1 65950U 25228D 26171.45008564 .00000660 00000-0 11551-3 0 9991
2 65950 51.9001 258.6831 0000541 99.0804 261.0219 14.79933212 38559Epoch: 2026-06-20T10:48Z
TLE epoch observation values (Epoch: 2026-06-20T10:48:07.399Z)
Latitude
-0.00006°
Longitude
-172.01231°
Altitude
630.341 km
Speed
7.544 km/s
True Right ascension
17h 14m 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
07:11:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.365 km
Perigee altitude
629.607 km
Semi-major axis
7,008.123 km
Eccentricity
0.00005
Inclination
51.9001°
RAAN
258.6831°
Arg. of periapsis
99.0804°
True anomaly
261.01578°
Mean anomaly
261.0219°
Eccentric anomaly
261.01884°
Mean motion
3.69948 °/min
Orbital period
97.31 mins
BSTAR
0.00011551
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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-00121 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 08:01:12.075Z | 207.504° SW | 2026-06-21 08:05:12.075Z | 146.191° SSE | 35.341° | 2026-06-21 08:09:12.075Z | 65.423° ENE |
| 7 mins | 2026-06-21 09:44:12.075Z | 274.621° WNW | 2026-06-21 09:47:12.075Z | 339.015° N | 31.065° | 2026-06-21 09:51:12.075Z | 41.087° NE |
| 4 mins | 2026-06-21 11:28:12.075Z | 332.174° NNW | 2026-06-21 11:29:12.075Z | 348.578° N | 17.613° | 2026-06-21 11:32:12.075Z | 33.664° NE |
| 5 mins | 2026-06-21 13:10:12.075Z | 339.474° N | 2026-06-21 13:12:12.075Z | 14.392° NNE | 21.177° | 2026-06-21 13:15:12.075Z | 62.268° ENE |
| 7 mins | 2026-06-21 14:51:12.075Z | 314.353° NW | 2026-06-21 14:54:12.075Z | 16.418° NNE | 42.914° | 2026-06-21 14:58:12.075Z | 118.145° SE |
| 5 mins | 2026-06-21 16:33:12.075Z | 267.551° W | 2026-06-21 16:35:12.075Z | 236.336° WSW | 18.905° | 2026-06-21 16:38:12.075Z | 190.091° 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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