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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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, 0.3 m
Radar Cross Section
0.165 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 NEMO-HD
1 46277U 20061F 26235.60728353 .00008780 00000-0 18293-3 0 9996
2 46277 97.1866 296.9157 0002555 113.3616 246.7903 15.45816105332399Epoch: 2026-08-23T14:34Z
TLE epoch observation values (Epoch: 2026-08-23T14:34:29.296Z)
Latitude
-0.00002°
Longitude
106.39273°
Altitude
432.799 km
Speed
7.652 km/s
True Right ascension
19h 47m 39s
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
15:53:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
427.642 km
Perigee altitude
424.165 km
Semi-major axis
6,804.04 km
Eccentricity
0.00026
Inclination
97.1866°
RAAN
296.9157°
Arg. of periapsis
113.3616°
True anomaly
246.76339°
Mean anomaly
246.7903°
Eccentric anomaly
246.77685°
Mean motion
3.86717 °/min
Orbital period
93.09 mins
BSTAR
0.00018293
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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 | 2026-08-24 04:42:13.202Z | 215.927° SW | 2026-08-24 04:43:13.202Z | 246.357° WSW | 27.942° | 2026-08-24 04:46:13.202Z | 325.906° NNW |
| 4 mins | 2026-08-24 17:33:13.202Z | 336.18° NNW | 2026-08-24 17:35:13.202Z | 274.654° WNW | 26.4° | 2026-08-24 17:37:13.202Z | 229.109° 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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