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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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<iframe src="https://www.satcat.com/sats-embedded/40545?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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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   25338.13570410 -.00000071  00000-0  00000-0 0  9993
2 40545  56.8537 346.9325 0006259 261.1307  98.8308  1.70475395 28926

Epoch: 2025-12-04T03:15Z

TLE epoch observation values (Epoch: 2025-12-04T03:15:24.834Z)

Latitude

-0.00007°

Longitude

-135.11226°

Altitude

23,225.191 km

Speed

3.669 km/s

True Right ascension

23h 07m 45s

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

02:34:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,240.49 km

Perigee altitude

23,203.436 km

Semi-major axis

29,600.1 km

Eccentricity

0.00063

Inclination

56.8537°

RAAN

346.9325°

Arg. of periapsis

261.1307°

True anomaly

98.90166°

Mean anomaly

98.8308°

Eccentric anomaly

98.86623°

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.
234 mins	2025-12-07 04:30:14.983Z	21.865° NNE	2025-12-07 04:30:14.983Z	21.865° NNE	43.467°	2025-12-07 08:24:14.983Z	101.396° ESE

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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: 2025-12-04T03:15:24.834Z)

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