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: 17 hours ago
TLE from 17 hours ago
0 KUIPER-00015
1 63731U 25088H 26090.51570815 -.00000880 00000-0 -86537-4 0 9993
2 63731 51.9033 21.6144 0000978 102.7422 257.3649 14.79899570 50935Epoch: 2026-03-31T12:22Z
TLE epoch observation values (Epoch: 2026-03-31T12:22:37.184Z)
Latitude
-0.00006°
Longitude
7.06764°
Altitude
630.538 km
Speed
7.544 km/s
True Right ascension
01h 26m 27s
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
11:06:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.777 km
Perigee altitude
629.406 km
Semi-major axis
7,008.229 km
Eccentricity
0.0001
Inclination
51.9033°
RAAN
21.6144°
Arg. of periapsis
102.7422°
True anomaly
257.35396°
Mean anomaly
257.3649°
Eccentric anomaly
257.35943°
Mean motion
3.6994 °/min
Orbital period
97.31 mins
BSTAR
-0.000086537
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-01 20:56:42.175Z | 183.999° SSW | 2026-04-01 20:59:42.175Z | 132.914° SE | 25.537° | 2026-04-01 21:02:42.175Z | 79.907° E |
| 7 mins | 2026-04-01 22:37:42.175Z | 255.587° W | 2026-04-01 22:40:42.175Z | 310.686° NW | 37.665° | 2026-04-01 22:44:42.175Z | 42.104° NE |
| 5 mins | 2026-04-02 00:21:42.175Z | 320.155° NNW | 2026-04-02 00:23:42.175Z | 354.97° N | 19.113° | 2026-04-02 00:26:42.175Z | 36.524° NE |
| 4 mins | 2026-04-02 02:04:42.175Z | 345.764° N | 2026-04-02 02:05:42.175Z | 2.508° NNE | 18.557° | 2026-04-02 02:08:42.175Z | 49.945° ENE |
| 7 mins | 2026-04-02 03:45:42.175Z | 324.923° NNW | 2026-04-02 03:48:42.175Z | 40.469° NE | 36.141° | 2026-04-02 03:52:42.175Z | 104.81° ESE |
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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