KUIPER-00015, 63731
Orbit data source: Space-Track
KUIPER-00015, 63731 is a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Mon, 28 Apr 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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63731 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-00015
1 63731U 25088H 26171.28149610 .00000445 00000-0 87336-4 0 9995
2 63731 51.8995 24.4591 0000640 119.9317 240.1708 14.79933909 62896Epoch: 2026-06-20T06:45Z
TLE epoch observation values (Epoch: 2026-06-20T06:45:21.263Z)
Latitude
-0.00007°
Longitude
14.62208°
Altitude
630.503 km
Speed
7.544 km/s
True Right ascension
01h 37m 50s
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
07:24:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.433 km
Perigee altitude
629.535 km
Semi-major axis
7,008.121 km
Eccentricity
0.00006
Inclination
51.8995°
RAAN
24.4591°
Arg. of periapsis
119.9317°
True anomaly
240.16444°
Mean anomaly
240.1708°
Eccentric anomaly
240.16762°
Mean motion
3.69948 °/min
Orbital period
97.31 mins
BSTAR
0.000087336
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Other satellites on launch #88 in the year 2025 (2025-04-28 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-00015 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 | 2026-06-20 21:45:33.129Z | 325.177° NNW | 2026-06-20 21:48:33.129Z | 8.458° NNE | 21.282° | 2026-06-20 21:52:33.129Z | 69.401° E |
| 8 mins | 2026-06-20 23:27:33.129Z | 312.671° NW | 2026-06-20 23:30:33.129Z | 349.55° N | 42.231° | 2026-06-20 23:35:33.129Z | 120.954° SE |
| 4 mins | 2026-06-21 01:10:33.129Z | 257.309° W | 2026-06-21 01:12:33.129Z | 223.59° SW | 17.94° | 2026-06-21 01:14:33.129Z | 194.304° SSW |
| 7 mins | 2026-06-21 16:59:33.129Z | 235.581° WSW | 2026-06-21 17:02:33.129Z | 6.79° NNE | 44.601° | 2026-06-21 17:06:33.129Z | 50.941° ENE |
| 5 mins | 2026-06-21 18:42:33.129Z | 307.034° NW | 2026-06-21 18:44:33.129Z | 345.345° N | 22.634° | 2026-06-21 18:47:33.129Z | 32.385° NE |
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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