NEMO-HD, 46277
Orbit data source: Space-Track
NEMO-HD, 46277 is a payload satellite owned by Space-SI (SI) in SSO that was launched on Thu, 03 Sep 2020 UTC via a VEGA launch vehicle from the French Guiana (FRGUI). 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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46277 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
SI / SVNRelated business
Manufacturer
UTIAS-SFL
Mission
Operational Amateur Imaging
Bus & Motor
NEMO-HD, Unknown motor
Mass
65 kg wet, 65 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl, Unknown HBR
Radar Cross Section
0.165 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 NEMO-HD
1 46277U 20061F 25287.93447964 .00012584 00000-0 33182-3 0 9995
2 46277 97.2301 347.8252 0001597 134.9169 225.2207 15.38627138284194Epoch: 2025-10-14T22:25Z
TLE epoch observation values (Epoch: 2025-10-14T22:25:39.040Z)
Latitude
0°
Longitude
-12.30325°
Altitude
454.057 km
Speed
7.64 km/s
True Right ascension
23h 11m 18s
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
10:33:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
448.192 km
Perigee altitude
446.012 km
Semi-major axis
6,825.239 km
Eccentricity
0.00016
Inclination
97.2301°
RAAN
347.8252°
Arg. of periapsis
134.9169°
True anomaly
225.20771°
Mean anomaly
225.2207°
Eccentric anomaly
225.21421°
Mean motion
3.84916 °/min
Orbital period
93.53 mins
BSTAR
0.00033182
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Other satellites on launch #61 in the year 2020 (2020-09-03 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.NEMO-HD 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 | 2025-10-15 16:10:31.490Z | 55.142° ENE | 2025-10-15 16:12:31.490Z | 95.939° ESE | 17.217° | 2025-10-15 16:14:31.490Z | 135.632° SSE |
| 5 mins | 2025-10-16 04:13:31.490Z | 172.055° S | 2025-10-16 04:15:31.490Z | 294.163° NW | 44.569° | 2025-10-16 04:18:31.490Z | 346.24° N |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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