KUIPER-00304, 68599
Orbit data source: Space-Track
KUIPER-00304, 68599 is a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Sat, 04 Apr 2026 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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68599 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Kuiper Systems
Mission
Operational spacecraft
Bus & Motor
KUIPER, Unknown motor
Mass
~490 kg wet, ~490 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 3.4 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 KUIPER-00304
1 68599U 26072AC 26149.70648628 .00038600 00000-0 10364-2 0 9990
2 68599 51.8683 266.5271 0010637 321.2189 38.8034 15.37508066 8535Epoch: 2026-05-29T16:57Z
TLE epoch observation values (Epoch: 2026-05-29T16:57:20.414Z)
Latitude
0.00003°
Longitude
124.95905°
Altitude
448.584 km
Speed
7.648 km/s
True Right ascension
17h 46m 06s
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
00:43:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
461.216 km
Perigee altitude
446.681 km
Semi-major axis
6,832.086 km
Eccentricity
0.00106
Inclination
51.8683°
RAAN
266.5271°
Arg. of periapsis
321.2189°
True anomaly
38.87986°
Mean anomaly
38.8034°
Eccentric anomaly
38.84162°
Mean motion
3.84338 °/min
Orbital period
93.67 mins
BSTAR
0.0010364
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Other satellites on launch #72 in the year 2026 (2026-04-04 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-00304 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-30 15:13:04.111Z | 339.586° N | 2026-05-30 15:15:04.111Z | 16.632° NNE | 16.099° | 2026-05-30 15:17:04.111Z | 53.58° ENE |
| 5 mins | 2026-05-30 16:51:04.111Z | 318.886° NNW | 2026-05-30 16:53:04.111Z | 24.97° NE | 41.642° | 2026-05-30 16:56:04.111Z | 115.625° SE |
| 4 mins | 2026-05-31 09:42:04.111Z | 184.39° SSW | 2026-05-31 09:43:04.111Z | 154.906° SSE | 30.356° | 2026-05-31 09:46:04.111Z | 71.975° E |
| 5 mins | 2026-05-31 11:19:04.111Z | 281.281° WNW | 2026-05-31 11:21:04.111Z | 331.886° NNW | 26.451° | 2026-05-31 11:24:04.111Z | 34.392° 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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