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, Unknown HBR
Radar Cross Section
0.165 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 NEMO-HD
1 46277U 20061F 26111.48650035 .00010013 00000-0 22572-3 0 9993
2 46277 97.1959 174.0475 0001149 130.6955 229.4393 15.43442995313230Epoch: 2026-04-21T11:40Z
TLE epoch observation values (Epoch: 2026-04-21T11:40:33.630Z)
Latitude
-0.00004°
Longitude
149.34579°
Altitude
439.594 km
Speed
7.648 km/s
True Right ascension
11h 36m 11s
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
23:42:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
433.665 km
Perigee altitude
432.1 km
Semi-major axis
6,811.02 km
Eccentricity
0.00011
Inclination
97.1959°
RAAN
174.0475°
Arg. of periapsis
130.6955°
True anomaly
229.4293°
Mean anomaly
229.4393°
Eccentric anomaly
229.4343°
Mean motion
3.86122 °/min
Orbital period
93.23 mins
BSTAR
0.00022572
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-21 16:54:03.878Z | 16.362° NNE | 2026-04-21 16:57:03.878Z | 133.5° SE | 43.336° | 2026-04-21 17:00:03.878Z | 186.794° SSW |
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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