KUIPER-00013, 63729
Orbit data source: Space-Track
KUIPER-00013, 63729 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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63729 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: 20 hours ago
TLE from 20 hours ago
0 KUIPER-00013
1 63729U 25088F 25348.76193229 .00009034 00000-0 12152-2 0 9990
2 63729 51.9010 123.6367 0009410 101.6058 258.5961 14.79819521 34996Epoch: 2025-12-14T18:17Z
TLE epoch observation values (Epoch: 2025-12-14T18:17:10.949Z)
Latitude
-0.00004°
Longitude
125.67084°
Altitude
631.951 km
Speed
7.543 km/s
True Right ascension
08h 14m 32s
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
13:22:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
636.94 km
Perigee altitude
623.75 km
Semi-major axis
7,008.482 km
Eccentricity
0.00094
Inclination
51.901°
RAAN
123.6367°
Arg. of periapsis
101.6058°
True anomaly
258.49042°
Mean anomaly
258.5961°
Eccentric anomaly
258.54326°
Mean motion
3.6992 °/min
Orbital period
97.32 mins
BSTAR
0.0012152
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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-00013 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-15 15:44:20.973Z | 325.363° NNW | 2025-12-15 15:47:20.973Z | 10.077° NNE | 17.374° | 2025-12-15 15:49:20.973Z | 40.287° NE |
| 6 mins | 2025-12-15 17:27:20.973Z | 335.341° NNW | 2025-12-15 17:29:20.973Z | 18.826° NNE | 30.213° | 2025-12-15 17:33:20.973Z | 91.439° ESE |
| 7 mins | 2025-12-15 19:08:20.973Z | 290.141° WNW | 2025-12-15 19:11:20.973Z | 216.405° SW | 36.376° | 2025-12-15 19:15:20.973Z | 151.248° SSE |
| 7 mins | 2025-12-16 10:58:20.973Z | 196.461° SSW | 2025-12-16 11:01:20.973Z | 134.711° SE | 33.061° | 2025-12-16 11:05:20.973Z | 66.167° ENE |
| 6 mins | 2025-12-16 12:40:20.973Z | 274.239° WNW | 2025-12-16 12:42:20.973Z | 314.715° NW | 31.899° | 2025-12-16 12:46:20.973Z | 37.777° NE |
| 5 mins | 2025-12-16 14:23:20.973Z | 321.41° NNW | 2025-12-16 14:25:20.973Z | 353.515° N | 17.835° | 2025-12-16 14:28:20.973Z | 36.412° 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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