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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Edit Public Description
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: 21 hours ago
TLE from 21 hours ago
0 KUIPER-00015
1 63731U 25088H 25348.79715918 .00002943 00000-0 39544-3 0 9998
2 63731 51.8977 135.4030 0010981 152.9736 207.1801 14.81991453 35100Epoch: 2025-12-14T19:07Z
TLE epoch observation values (Epoch: 2025-12-14T19:07:54.553Z)
Latitude
-0°
Longitude
124.72077°
Altitude
630.633 km
Speed
7.541 km/s
True Right ascension
09h 01m 36s
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
15:12:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
631.186 km
Perigee altitude
615.809 km
Semi-major axis
7,001.634 km
Eccentricity
0.0011
Inclination
51.8977°
RAAN
135.403°
Arg. of periapsis
152.9736°
True anomaly
207.12269°
Mean anomaly
207.1801°
Eccentric anomaly
207.15139°
Mean motion
3.70462 °/min
Orbital period
97.18 mins
BSTAR
0.00039544
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-15 16:34:38.801Z | 342.379° N | 2025-12-15 16:35:38.801Z | 358.537° N | 17.226° | 2025-12-15 16:38:38.801Z | 44.452° NE |
| 6 mins | 2025-12-15 18:15:38.801Z | 329.122° NNW | 2025-12-15 18:18:38.801Z | 34.191° NE | 30.544° | 2025-12-15 18:21:38.801Z | 88.715° E |
| 7 mins | 2025-12-15 19:56:38.801Z | 291.819° WNW | 2025-12-15 19:59:38.801Z | 232.12° WSW | 35.542° | 2025-12-15 20:03:38.801Z | 153.741° SSE |
| 7 mins | 2025-12-16 11:45:38.801Z | 195.802° SSW | 2025-12-16 11:48:38.801Z | 130.863° SE | 33.129° | 2025-12-16 11:52:38.801Z | 65.58° ENE |
| 7 mins | 2025-12-16 13:26:38.801Z | 267.622° W | 2025-12-16 13:29:38.801Z | 323.203° NNW | 32.409° | 2025-12-16 13:33:38.801Z | 39.336° NE |
| 4 mins | 2025-12-16 15:10:38.801Z | 326.976° NNW | 2025-12-16 15:12:38.801Z | 0.526° NNE | 17.543° | 2025-12-16 15:14:38.801Z | 30.031° NE |
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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