KUIPER-00028, 63741
Orbit data source: Space-Track
KUIPER-00028, 63741 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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63741 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: 3 days ago
TLE from 3 days ago
0 KUIPER-00028
1 63741U 25088T 26155.06753117 .00000472 00000-0 90962-4 0 9996
2 63741 51.9014 71.0877 0000724 97.0933 263.0112 14.79931304 60852Epoch: 2026-06-04T01:37Z
TLE epoch observation values (Epoch: 2026-06-04T01:37:14.693Z)
Latitude
0.00002°
Longitude
154.25938°
Altitude
630.35 km
Speed
7.544 km/s
True Right ascension
04h 44m 21s
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
12:31:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.499 km
Perigee altitude
629.485 km
Semi-major axis
7,008.129 km
Eccentricity
0.00007
Inclination
51.9014°
RAAN
71.0877°
Arg. of periapsis
97.0933°
True anomaly
263.00297°
Mean anomaly
263.0112°
Eccentric anomaly
263.00708°
Mean motion
3.69947 °/min
Orbital period
97.31 mins
BSTAR
0.000090962
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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-00028 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-06-07 03:02:36.551Z | 307.098° NW | 2026-06-07 03:06:36.551Z | 300.888° NW | 43.348° | 2026-06-07 03:11:36.551Z | 130.251° SE |
| 5 mins | 2026-06-07 18:55:36.551Z | 159.945° S | 2026-06-07 18:57:36.551Z | 124.012° SE | 20.437° | 2026-06-07 19:00:36.551Z | 80.901° E |
| 7 mins | 2026-06-07 20:35:36.551Z | 248.31° W | 2026-06-07 20:38:36.551Z | 336.749° NNW | 41.946° | 2026-06-07 20:42:36.551Z | 46.951° ENE |
| 5 mins | 2026-06-07 22:18:36.551Z | 310.138° NW | 2026-06-07 22:20:36.551Z | 344.751° N | 20.637° | 2026-06-07 22:23:36.551Z | 31.468° NE |
| 5 mins | 2026-06-08 00:01:36.551Z | 338.137° N | 2026-06-08 00:03:36.551Z | 10.72° NNE | 17.873° | 2026-06-08 00:06:36.551Z | 52.314° ENE |
| 7 mins | 2026-06-08 01:42:36.551Z | 324.2° NNW | 2026-06-08 01:45:36.551Z | 19.188° NNE | 32.182° | 2026-06-08 01:49:36.551Z | 95.008° ESE |
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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