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GALILEO 5 (261), 40128

Orbit data source: Space-Track

GALILEO 5 (261), 40128 is a payload satellite owned by GNSS Agency (ESA) in MEO that was launched on Fri, 22 Aug 2014 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/40128?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/40128?theme=dark&initialShowStats=false

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Identifier

40128, 2014-050A

Orbit

MEO

Country

ESA

Related business

European Space Agency (FR)

Manufacturer

OHB

Mission

On reserve Civil Navigation

Bus & Motor

GALILEOSAT, AOCS

Mass

733 kg wet, 700 kg dry

Launch date (UTC)

2014-08-22 (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: 21 hours ago

TLE from 21 hours ago

0 GALILEO 5 (261)
1 40128U 14050A   25348.00572820 -.00000099  00000-0  00000-0 0  9990
2 40128  49.0753 281.0120 1648005 172.3262 190.5827  1.85519648 74882

Epoch: 2025-12-14T00:08Z

TLE epoch observation values (Epoch: 2025-12-14T00:08:14.916Z)

Latitude

-0.00005°

Longitude

-163.99242°

Altitude

26,155.444 km

Speed

3.203 km/s

True Right ascension

18h 43m 58s

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

19:27:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

26,210.338 km

Perigee altitude

16,988.85 km

Semi-major axis

27,977.731 km

Eccentricity

0.1648

Inclination

49.0753°

RAAN

281.012°

Arg. of periapsis

172.3262°

True anomaly

187.70246°

Mean anomaly

190.5827°

Eccentric anomaly

189.09081°

Mean motion

0.46379 °/min

Orbital period

776.21 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #50 in the year 2014 (2014-08-22 UTC)

GALILEO 6 (262), 40129

FREGAT R/B, 40130

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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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GALILEO 5 (261) 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.
305 mins	2025-12-15 04:04:02.522Z	293.641° NW	2025-12-15 07:08:02.522Z	247.915° W	42.767°	2025-12-15 09:09:02.522Z	172.455° S
133 mins	2025-12-15 16:06:02.522Z	84.413° E	2025-12-15 17:18:02.522Z	65.005° ENE	15.79°	2025-12-15 18:19:02.522Z	46.627° 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 5 (261), 40128 on other resources

View GALILEO 5 (261), 40128 on NASA - NSSDCA Website

View GALILEO 5 (261), 40128 on Heavens-Above

View GALILEO 5 (261), 40128 on Keep Track

View GALILEO 5 (261), 40128 on Celestrak

View GALILEO 5 (261), 40128 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 5 (261), 40128

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2025-12-14T00:08:14.916Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #50 in the year 2014 (2014-08-22 UTC)

GALILEO 5 (261) Visibility forecast

Co-orbital & Co-planar RSOs

Check out GALILEO 5 (261), 40128 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago