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: 11 hours ago
TLE from 11 hours ago
0 KUIPER-00028
1 63741U 25088T 26090.77887645 .00006620 00000-0 89804-3 0 9999
2 63741 51.9008 355.3722 0001008 94.1691 265.9387 14.79863072 51331Epoch: 2026-03-31T18:41Z
TLE epoch observation values (Epoch: 2026-03-31T18:41:34.925Z)
Latitude
0.00003°
Longitude
-114.17447°
Altitude
630.553 km
Speed
7.544 km/s
True Right ascension
23h 41m 29s
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
11:00:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
630.914 km
Perigee altitude
629.501 km
Semi-major axis
7,008.344 km
Eccentricity
0.0001
Inclination
51.9008°
RAAN
355.3722°
Arg. of periapsis
94.1691°
True anomaly
265.92718°
Mean anomaly
265.9387°
Eccentric anomaly
265.93294°
Mean motion
3.6993 °/min
Orbital period
97.32 mins
BSTAR
0.00089804
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-01 19:08:47.513Z | 182.18° SSW | 2026-04-01 19:11:47.513Z | 139.349° SSE | 22.152° | 2026-04-01 19:15:47.513Z | 77.019° E |
| 7 mins | 2026-04-01 20:50:47.513Z | 253.934° W | 2026-04-01 20:53:47.513Z | 349.719° N | 39.907° | 2026-04-01 20:57:47.513Z | 46.408° ENE |
| 5 mins | 2026-04-01 22:33:47.513Z | 314.43° NW | 2026-04-01 22:35:47.513Z | 349.315° N | 20.019° | 2026-04-01 22:38:47.513Z | 33.669° NE |
| 4 mins | 2026-04-02 00:16:47.513Z | 341.354° N | 2026-04-02 00:18:47.513Z | 14.862° NNE | 18.076° | 2026-04-02 00:20:47.513Z | 45.038° ENE |
| 7 mins | 2026-04-02 01:57:47.513Z | 324.725° NNW | 2026-04-02 02:00:47.513Z | 26.979° NE | 33.913° | 2026-04-02 02:04:47.513Z | 99.071° ESE |
| 6 mins | 2026-04-02 03:39:47.513Z | 281.234° WNW | 2026-04-02 03:41:47.513Z | 242.196° WSW | 30.675° | 2026-04-02 03:45:47.513Z | 162.978° S |
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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