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SKY MUSTER, 40940

Orbit data source: Space-Track

SKY MUSTER, 40940 is a payload satellite owned by NBN (AU) in GEO that was launched on Wed, 30 Sep 2015 UTC via an ARIANE 5ECA 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/40940?theme=dark&initialShowStats=false

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Identifier

40940, 2015-054A

Orbit

GEO

Country

AU / AUS

Related business

NBN Co. Ltd. (nbn, National Broadband Network Co.) (AU)

Manufacturer

SS/Loral (MDA)

Mission

Operational Commercial Communications

Bus & Motor

SSL-1300, R-4D?

Mass

6,440 kg wet, ~3,500 kg dry

Launch date (UTC)

2015-09-30 (10 years ago)

Launch vehicle

ARIANE 5ECA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 13.0 m

Radar Cross Section

48.493 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 SKY MUSTER
1 40940U 15054A   26061.97242324  .00000000  00000-0  00000+0 0  9999
2 40940   0.0181 167.9467 0001863 171.7608 311.3553  1.00268471 38198

Epoch: 2026-03-02T23:20Z

TLE epoch observation values (Epoch: 2026-03-02T23:20:17.367Z)

Latitude

0.0311°

Longitude

140.25232°

Altitude

35,781.786 km

Speed

3.075 km/s

True Right ascension

19h 24m 19s

True Declination

0° 01' 52"

Sunlit

Object was in daylight 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

19:00:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,796.45 km

Perigee altitude

35,780.739 km

Semi-major axis

42,166.731 km

Eccentricity

0.00019

Inclination

0.0181°

RAAN

167.9467°

Arg. of periapsis

171.7608°

True anomaly

311.33927°

Mean anomaly

311.3553°

Eccentric anomaly

311.34729°

Mean motion

0.25066 °/min

Orbital period

1,436.2 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

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Other satellites on launch #54 in the year 2015 (2015-09-30 UTC)

ARIANE 5 R/B, 40942

ARIANE 5 DEB (SYLDA), 40943 (Decayed)

ARSAT 2, 40941

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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.

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SKY MUSTER Visibility

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SKY MUSTER is likely not visible in the next few days.

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40940 neighbors

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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 SKY MUSTER, 40940 on other resources

View SKY MUSTER, 40940 on NASA - NSSDCA Website

View SKY MUSTER, 40940 on Heavens-Above

View SKY MUSTER, 40940 on Keep Track

View SKY MUSTER, 40940 on Celestrak

View SKY MUSTER, 40940 on Gunter's Space Page

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

SKY MUSTER, 40940

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-02T23:20:17.367Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #54 in the year 2015 (2015-09-30 UTC)

SKY MUSTER Visibility

40940 neighbors

Co-orbital & Co-planar RSOs

Check out SKY MUSTER, 40940 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago