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GALILEO 12 (269), 41174

Orbit data source: Space-Track

GALILEO 12 (269), 41174 is a payload satellite owned by GNSS Agency (ESA) that was launched on Thu, 17 Dec 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/41174?theme=dark&initialShowStats=false

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Identifier

41174, 2015-079A

Orbit

Active

Country

ESA

Related business

European Space Agency (FR)

Manufacturer

OHB

Mission

Operational Civil Navigation

Bus & Motor

GALILEOSAT, AOCS

Mass

733 kg wet, 660 kg dry

Launch date (UTC)

2015-12-17 (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: 1 day ago

TLE from 1 day ago

0 GALILEO 12 (269)
1 41174U 15079A   26295.32798963  .00000070  00000-0  00000-0 0  9997
2 41174  55.9120  97.7736 0003045  24.0665 335.9752  1.70474205 66944

Epoch: 2026-10-22T07:52Z

TLE epoch observation values (Epoch: 2026-10-22T07:52:18.304Z)

Latitude

0.00001°

Longitude

-51.08413°

Altitude

23,214.222 km

Speed

3.671 km/s

True Right ascension

06h 31m 01s

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

13:18:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,231.148 km

Perigee altitude

23,213.121 km

Semi-major axis

29,600.272 km

Eccentricity

0.0003

Inclination

55.912°

RAAN

97.7736°

Arg. of periapsis

24.0665°

True anomaly

335.96099°

Mean anomaly

335.9752°

Eccentric anomaly

335.96809°

Mean motion

0.42619 °/min

Orbital period

844.7 mins

BSTAR

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Other satellites on launch #79 in the year 2015 (2015-12-17 UTC)

FREGAT R/B, 41176

GALILEO 11 (268), 41175

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GALILEO 12 (269) 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.
39 mins	2026-10-23 18:10:35.383Z	90.881° ESE	2026-10-23 18:10:35.383Z	90.881° ESE	19.21°	2026-10-23 18:49:35.383Z	102.759° ESE
76 mins	2026-10-24 16:54:35.383Z	271.546° WNW	2026-10-24 18:10:35.383Z	293.724° NW	28.101°	2026-10-24 18:10:35.383Z	293.724° 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 GALILEO 12 (269), 41174 on other resources

View GALILEO 12 (269), 41174 on NASA - NSSDCA Website

View GALILEO 12 (269), 41174 on Heavens-Above

View GALILEO 12 (269), 41174 on Keep Track

View GALILEO 12 (269), 41174 on Celestrak

View GALILEO 12 (269), 41174 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 12 (269), 41174

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-10-22T07:52:18.304Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #79 in the year 2015 (2015-12-17 UTC)

GALILEO 12 (269) Visibility forecast

Co-orbital & Co-planar RSOs

Check out GALILEO 12 (269), 41174 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago