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 Commercial Imaging
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
0.542 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 NUSAT-51 (YVONNE BRILL)
1 66740U 25276CC 26238.43757443 .00005374 00000-0 24558-3 0 9999
2 66740 97.4174 311.0114 0004684 104.8058 255.3696 15.20974055 41106Epoch: 2026-08-26T10:30Z
TLE epoch observation values (Epoch: 2026-08-26T10:30:06.430Z)
Latitude
-0.00012°
Longitude
178.79404°
Altitude
506.808 km
Speed
7.61 km/s
True Right ascension
20h 44m 02s
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
15:13:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
503.088 km
Perigee altitude
496.645 km
Semi-major axis
6,878.003 km
Eccentricity
0.00047
Inclination
97.4174°
RAAN
311.0114°
Arg. of periapsis
104.8058°
True anomaly
255.31767°
Mean anomaly
255.3696°
Eccentric anomaly
255.34364°
Mean motion
3.80496 °/min
Orbital period
94.61 mins
BSTAR
0.00024558
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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 | 2026-08-27 05:35:15.288Z | 215.535° SW | 2026-08-27 05:37:15.288Z | 264.554° W | 25.53° | 2026-08-27 05:40:15.288Z | 323.295° NNW |
| 4 mins | 2026-08-27 17:05:15.288Z | 54.087° ENE | 2026-08-27 17:07:15.288Z | 98.504° ESE | 21.598° | 2026-08-27 17:09:15.288Z | 140.351° SSE |
| 4 mins | 2026-08-27 18:39:15.288Z | 323.478° NNW | 2026-08-27 18:41:15.288Z | 280.356° WNW | 18.675° | 2026-08-27 18:43:15.288Z | 245.367° WSW |
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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