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GALILEO 8 (264), 40545

Orbit data source: Space-Track

GALILEO 8 (264), 40545 is a payload satellite owned by GNSS Agency (ESA) that was launched on Fri, 27 Mar 2015 UTC via a SOYUZ-ST-B 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/40545?theme=dark&initialShowStats=false

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Identifier

40545, 2015-017B

Orbit

Active

Country

ESA

Related business

European Space Agency (FR)

Manufacturer

OHB

Mission

On reserve Civil Navigation

Bus & Motor

GALILEOSAT, AOCS

Mass

733 kg wet, 660 kg dry

Launch date (UTC)

2015-03-27 (11 years ago)

Launch vehicle

SOYUZ-ST-B

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 7.3 m

Radar Cross Section

9.223 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 GALILEO 8 (264)
1 40545U 15017B   26170.81493794 -.00000095  00000-0  00000+0 0  9997
2 40545  56.7939 341.5423 0001970 245.5009 114.4726  1.70475706 32291

Epoch: 2026-06-19T19:33Z

TLE epoch observation values (Epoch: 2026-06-19T19:33:30.638Z)

Latitude

0.00001°

Longitude

140.1148°

Altitude

23,224.7 km

Speed

3.669 km/s

True Right ascension

22h 46m 07s

True Declination

0° 00' 00"

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

21:34:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,227.76 km

Perigee altitude

23,216.098 km

Semi-major axis

29,600.066 km

Eccentricity

0.0002

Inclination

56.7939°

RAAN

341.5423°

Arg. of periapsis

245.5009°

True anomaly

114.49314°

Mean anomaly

114.4726°

Eccentric anomaly

114.48287°

Mean motion

0.42619 °/min

Orbital period

844.69 mins

BSTAR

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Other satellites on launch #17 in the year 2015 (2015-03-27 UTC)

FREGAT R/B, 40546

GALILEO 7 (263), 40544

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GALILEO 8 (264) 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.
384 mins	2026-06-22 19:46:50.234Z	300.997° NW	2026-06-22 23:11:50.234Z	266.909° W	42.826°	2026-06-23 02:10:50.234Z	199.111° SSW
164 mins	2026-06-23 07:48:50.234Z	117.738° SE	2026-06-23 09:57:50.234Z	70.844° E	30.459°	2026-06-23 10:32:50.234Z	55.841° ENE

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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 GALILEO 8 (264), 40545 on other resources

View GALILEO 8 (264), 40545 on NASA - NSSDCA Website

View GALILEO 8 (264), 40545 on Heavens-Above

View GALILEO 8 (264), 40545 on Keep Track

View GALILEO 8 (264), 40545 on Celestrak

View GALILEO 8 (264), 40545 on Gunter's Space Page

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

GALILEO 8 (264), 40545

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-19T19:33:30.638Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #17 in the year 2015 (2015-03-27 UTC)

GALILEO 8 (264) Visibility forecast

Co-orbital & Co-planar RSOs

Check out GALILEO 8 (264), 40545 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago