KUIPER-00023, 63737
Orbit data source: Space-Track
KUIPER-00023, 63737 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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63737 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-00023
1 63737U 25088P 25348.76451944 .00006710 00000-0 90789-3 0 9991
2 63737 51.8989 121.0831 0012128 170.1481 189.9721 14.79919060 35180Epoch: 2025-12-14T18:20Z
TLE epoch observation values (Epoch: 2025-12-14T18:20:54.479Z)
Latitude
-0.00005°
Longitude
122.18331°
Altitude
638.697 km
Speed
7.535 km/s
True Right ascension
08h 04m 19s
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
13:19:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
638.53 km
Perigee altitude
621.531 km
Semi-major axis
7,008.168 km
Eccentricity
0.00121
Inclination
51.8989°
RAAN
121.0831°
Arg. of periapsis
170.1481°
True anomaly
189.94807°
Mean anomaly
189.9721°
Eccentric anomaly
189.96008°
Mean motion
3.69944 °/min
Orbital period
97.31 mins
BSTAR
0.00090789
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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-00023 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 | 2025-12-15 15:48:17.985Z | 322.478° NNW | 2025-12-15 15:51:17.985Z | 3.962° NNE | 18.164° | 2025-12-15 15:54:17.985Z | 49.579° ENE |
| 6 mins | 2025-12-15 17:31:17.985Z | 327.814° NNW | 2025-12-15 17:34:17.985Z | 41.945° NE | 33.726° | 2025-12-15 17:37:17.985Z | 96.064° ESE |
| 7 mins | 2025-12-15 19:12:17.985Z | 286.345° WNW | 2025-12-15 19:15:17.985Z | 229.319° WSW | 30.808° | 2025-12-15 19:19:17.985Z | 161.098° S |
| 7 mins | 2025-12-16 11:02:17.985Z | 207.802° SW | 2025-12-16 11:05:17.985Z | 146.399° SSE | 38.501° | 2025-12-16 11:09:17.985Z | 62.491° ENE |
| 6 mins | 2025-12-16 12:44:17.985Z | 278.653° WNW | 2025-12-16 12:47:17.985Z | 339.626° N | 29.297° | 2025-12-16 12:50:17.985Z | 33.543° NE |
| 4 mins | 2025-12-16 14:28:17.985Z | 333.103° NNW | 2025-12-16 14:29:17.985Z | 349.202° N | 17.315° | 2025-12-16 14:32:17.985Z | 34.333° 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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