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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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https://www.satcat.com/sats-embedded/46277?theme=dark&initialShowStats=false

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Identifier

46277, 2020-061F

Orbit

SSO

Country

SI / SVN

Related business

Slovenian Centre of Excellence for Space Sciences and Technologies (SI)

Manufacturer

UTIAS-SFL

Mission

Operational Amateur Imaging

Bus & Motor

NEMO-HD, Unknown motor

Mass

65 kg wet, 65 kg dry

Launch date (UTC)

2020-09-03 (6 years ago)

Launch vehicle

VEGA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl, Unknown HBR

Radar Cross Section

0.165 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 NEMO-HD
1 46277U 20061F   26110.90300372  .00008708  00000-0  19667-3 0  9994
2 46277  97.1959 173.4705 0001116 128.8479 231.2869 15.43430259313142

Epoch: 2026-04-20T21:40Z

TLE epoch observation values (Epoch: 2026-04-20T21:40:19.521Z)

Latitude

-0.00003°

Longitude

-0.5973°

Altitude

439.598 km

Speed

7.648 km/s

True Right ascension

11h 33m 52s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

22:17:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

433.68 km

Perigee altitude

432.16 km

Semi-major axis

6,811.057 km

Eccentricity

0.00011

Inclination

97.1959°

RAAN

173.4705°

Arg. of periapsis

128.8479°

True anomaly

231.27692°

Mean anomaly

231.2869°

Eccentric anomaly

231.28191°

Mean motion

3.86119 °/min

Orbital period

93.24 mins

BSTAR

0.00019667

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Other satellites on launch #61 in the year 2020 (2020-09-03 UTC)

FLOCK 4V 8, 46288 (Decayed)

FLOCK 4V 13, 46297 (Decayed)

SPACEBEE-19, 46303 (Decayed)

LEMUR 2 URSA AVION, 46318 (Decayed)

FLOCK 4V 9, 46282 (Decayed)

PICASSO-BEL, 46281 (Decayed)

FLOCK 4V 1, 46313 (Decayed)

AMICALSAT, 46287 (Decayed)

SPACEBEE-16, 46308 (Decayed)

FLOCK 4V 20, 46612 (Decayed)

FLOCK 4V 18, 46597 (Decayed)

FLOCK 4V 11, 46285 (Decayed)

FLOCK 4V 5, 46290 (Decayed)

SPACEBEE-18, 46304 (Decayed)

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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 16:54:05.721Z	16.426° NNE	2026-04-21 16:57:05.721Z	137.659° SSE	43.174°	2026-04-21 17:00:05.721Z	186.846° SSW
4 mins	2026-04-22 04:56:05.721Z	229.146° WSW	2026-04-22 04:58:05.721Z	277.892° WNW	18.699°	2026-04-22 05:00:05.721Z	314.857° NW

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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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Check out NEMO-HD, 46277 on other resources

View NEMO-HD, 46277 on NASA - NSSDCA Website

View NEMO-HD, 46277 on Heavens-Above

View NEMO-HD, 46277 on Keep Track

View NEMO-HD, 46277 on Celestrak

View NEMO-HD, 46277 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

NEMO-HD, 46277

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-04-20T21:40:19.521Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #61 in the year 2020 (2020-09-03 UTC)

NEMO-HD Visibility forecast

Co-orbital & Co-planar RSOs

Check out NEMO-HD, 46277 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago