NUSAT-51 (YVONNE BRILL), 66740
Orbit data source: Space-Track
NUSAT-51 (YVONNE BRILL), 66740 is a payload satellite owned by URUGUS S.A. (AR) in SSO that was launched on Fri, 28 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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66740 intel report (Beta)
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Identifier
Orbit
Country
AR / ARGNRelated business
Manufacturer
URUGUS S.A.
Mission
Operational Amateur Technology
Bus & Motor
NEWSAT V, Unknown motor
Mass
41.5 kg wet, 38.5 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 1.0 m
Radar Cross Section
0.015 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 NUSAT-51 (YVONNE BRILL)
1 66740U 25276CC 26192.77316285 .00003481 00000-0 16224-3 0 9998
2 66740 97.4208 266.0549 0001593 258.3458 101.7599 15.20541609 34169Epoch: 2026-07-11T18:33Z
TLE epoch observation values (Epoch: 2026-07-11T18:33:21.270Z)
Latitude
0.00003°
Longitude
58.0347°
Altitude
507.52 km
Speed
7.61 km/s
True Right ascension
17h 44m 13s
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
01:08:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
502.267 km
Perigee altitude
500.076 km
Semi-major axis
6,879.309 km
Eccentricity
0.00016
Inclination
97.4208°
RAAN
266.0549°
Arg. of periapsis
258.3458°
True anomaly
101.77777°
Mean anomaly
101.7599°
Eccentric anomaly
101.76884°
Mean motion
3.80387 °/min
Orbital period
94.64 mins
BSTAR
0.00016224
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Other satellites on launch #276 in the year 2025 (2025-11-28 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.NUSAT-51 (YVONNE BRILL) 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-07-12 17:14:27.879Z | 39.28° NE | 2026-07-12 17:17:27.879Z | 110.097° ESE | 26.649° | 2026-07-12 17:19:27.879Z | 152.534° SSE |
| 5 mins | 2026-07-13 05:26:27.879Z | 205.476° SW | 2026-07-13 05:28:27.879Z | 261.126° W | 31.192° | 2026-07-13 05:31:27.879Z | 327.986° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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