Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/41174?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/41174?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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 (10 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   25317.76261116  .00000045  00000-0  00000-0 0  9996
2 41174  55.6949 107.1761 0002439   7.1372 352.8549  1.70474294 61100

Epoch: 2025-11-13T18:18Z

TLE epoch observation values (Epoch: 2025-11-13T18:18:09.604Z)

Latitude

-0.00006°

Longitude

139.50147°

Altitude

23,215.264 km

Speed

3.671 km/s

True Right ascension

07h 08m 37s

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

17:26:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,229.352 km

Perigee altitude

23,214.913 km

Semi-major axis

29,600.269 km

Eccentricity

0.00024

Inclination

55.6949°

RAAN

107.1761°

Arg. of periapsis

7.1372°

True anomaly

352.85142°

Mean anomaly

352.8549°

Eccentric anomaly

352.85316°

Mean motion

0.42619 °/min

Orbital period

844.7 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

FREGAT R/B, 41176

GALILEO 11 (268), 41175

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

GALILEO 12 (269) Visibility forecast

Loading observer location...
Set Observer location

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.
524 mins	2025-11-15 11:31:17.906Z	211.082° SW	2025-11-15 15:29:17.906Z	336.68° NNW	43.445°	2025-11-15 20:15:17.906Z	134.039° SE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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: 2025-11-13T18:18:09.604Z)

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