KUIPER-00020, 63735
Orbit data source: Space-Track
KUIPER-00020, 63735 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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63735 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: 10 hours ago
TLE from 10 hours ago
0 KUIPER-00020
1 63735U 25088M 26090.80211338 .00001932 00000-0 28246-3 0 9990
2 63735 51.9029 5.3101 0002253 141.3640 218.7484 14.79928373 50937Epoch: 2026-03-31T19:15Z
TLE epoch observation values (Epoch: 2026-03-31T19:15:02.596Z)
Latitude
0.00001°
Longitude
-112.62478°
Altitude
631.529 km
Speed
7.543 km/s
True Right ascension
00h 21m 14s
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
11:01:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
631.58 km
Perigee altitude
628.422 km
Semi-major axis
7,008.138 km
Eccentricity
0.00023
Inclination
51.9029°
RAAN
5.3101°
Arg. of periapsis
141.364°
True anomaly
218.73224°
Mean anomaly
218.7484°
Eccentric anomaly
218.74032°
Mean motion
3.69947 °/min
Orbital period
97.31 mins
BSTAR
0.00028246
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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-00020 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 | 2026-04-01 05:34:04.690Z | 261.338° W | 2026-04-01 05:36:04.690Z | 233.92° WSW | 13.681° | 2026-04-01 05:38:04.690Z | 206.558° SW |
| 5 mins | 2026-04-01 19:43:04.690Z | 167.687° S | 2026-04-01 19:45:04.690Z | 135.754° SSE | 20.192° | 2026-04-01 19:48:04.690Z | 86.987° E |
| 7 mins | 2026-04-01 21:23:04.690Z | 245.506° WSW | 2026-04-01 21:26:04.690Z | 290.378° WNW | 40.992° | 2026-04-01 21:30:04.690Z | 45.405° ENE |
| 5 mins | 2026-04-01 23:07:04.690Z | 315.75° NNW | 2026-04-01 23:09:04.690Z | 352.527° N | 20.507° | 2026-04-01 23:12:04.690Z | 35.21° NE |
| 4 mins | 2026-04-02 00:50:04.690Z | 343.843° N | 2026-04-02 00:51:04.690Z | 0.167° NNE | 17.709° | 2026-04-02 00:54:04.690Z | 46.059° ENE |
| 7 mins | 2026-04-02 02:31:04.690Z | 327.606° NNW | 2026-04-02 02:34:04.690Z | 32.768° NE | 32.137° | 2026-04-02 02:38:04.690Z | 96.925° ESE |
| 6 mins | 2026-04-02 04:13:04.690Z | 282.667° WNW | 2026-04-02 04:15:04.690Z | 238.794° WSW | 33.469° | 2026-04-02 04:19:04.690Z | 157.997° 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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