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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: 3 days ago

TLE from 3 days ago

0 GALILEO 5 (261)
1 40128U 14050A   26088.64703566 -.00000033  00000-0  00000+0 0  9992
2 40128  48.9626 276.6910 1661829 176.2929 185.1058  1.85519989 76840

Epoch: 2026-03-29T15:31Z

TLE epoch observation values (Epoch: 2026-03-29T15:31:43.881Z)

Latitude

-0.00002°

Longitude

-143.28656°

Altitude

26,226.959 km

Speed

3.194 km/s

True Right ascension

18h 26m 47s

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

10:31:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

26,248.98 km

Perigee altitude

16,950.149 km

Semi-major axis

27,977.702 km

Eccentricity

0.16618

Inclination

48.9626°

RAAN

276.691°

Arg. of periapsis

176.2929°

True anomaly

183.70314°

Mean anomaly

185.1058°

Eccentric anomaly

184.37882°

Mean motion

0.46379 °/min

Orbital period

776.21 mins

BSTAR

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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.
199 mins	2026-04-01 08:41:21.975Z	98.574° ESE	2026-04-01 10:32:21.975Z	70.294° E	21.594°	2026-04-01 12:00:21.975Z	45.158° ENE
193 mins	2026-04-02 00:49:21.975Z	314.529° NW	2026-04-02 02:30:21.975Z	273.367° WNW	27.192°	2026-04-02 04:02:21.975Z	218.862° SW

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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: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-03-29T15:31:43.881Z)

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: 3 days ago