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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>

Iframe URL

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 (12 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 5 (261)
1 40128U 14050A   26126.37604272 -.00000039  00000-0  00000+0 0  9995
2 40128  48.9220 275.1487 1668066 177.7585 183.1102  1.85520109 77549

Epoch: 2026-05-06T09:01Z

TLE epoch observation values (Epoch: 2026-05-06T09:01:30.091Z)

Latitude

0°

Longitude

-84.48698°

Altitude

26,257.372 km

Speed

3.191 km/s

True Right ascension

18h 20m 30s

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

21:27:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

26,266.418 km

Perigee altitude

16,932.691 km

Semi-major axis

27,977.692 km

Eccentricity

0.16681

Inclination

48.922°

RAAN

275.1487°

Arg. of periapsis

177.7585°

True anomaly

182.25272°

Mean anomaly

183.1102°

Eccentric anomaly

182.6657°

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.
200 mins	2026-05-07 13:26:41.934Z	239.663° WSW	2026-05-07 13:40:41.934Z	317.957° NNW	44.986°	2026-05-07 16:46:41.934Z	91.031° ESE
117 mins	2026-05-08 11:29:41.934Z	217.026° SW	2026-05-08 13:26:41.934Z	240.091° WSW	30.117°	2026-05-08 13:26:41.934Z	240.091° WSW

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-05-06T09:01:30.091Z)

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: 1 day ago