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GALILEO 27 (223), 49809

Orbit data source: Space-Track

GALILEO 27 (223), 49809 is a payload satellite owned by EU SPA (ESA) that was launched on Sun, 05 Dec 2021 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 URL

https://www.satcat.com/sats-embedded/49809?theme=dark&initialShowStats=false

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Identifier

49809, 2021-116A

Orbit

Active

Country

ESA

Related business

European Union Agency for the Space Programme (EUSPA) (CZ)

Manufacturer

OHB

Mission

Operational Civil Navigation

Bus & Motor

GALILEO, AOCS

Mass

733 kg wet, 660 kg dry

Launch date (UTC)

2021-12-05 (5 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: 2 days ago

TLE from 2 days ago

0 GALILEO 27 (223)
1 49809U 21116A   26171.21352742 -.00000095  00000-0  00000+0 0  9998
2 49809  57.1598 341.5920 0001560 185.4323 351.7235  1.70476002 28237

Epoch: 2026-06-20T05:07Z

TLE epoch observation values (Epoch: 2026-06-20T05:07:28.769Z)

Latitude

2.34908°

Longitude

174.76394°

Altitude

23,217.432 km

Speed

3.67 km/s

True Right ascension

10h 40m 15s

True Declination

2° 20' 44"

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

21:24:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,226.499 km

Perigee altitude

23,217.264 km

Semi-major axis

29,600.019 km

Eccentricity

0.00016

Inclination

57.1598°

RAAN

341.592°

Arg. of periapsis

185.4323°

True anomaly

351.72093°

Mean anomaly

351.7235°

Eccentric anomaly

351.72221°

Mean motion

0.42619 °/min

Orbital period

844.69 mins

BSTAR

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Other satellites on launch #116 in the year 2021 (2021-12-05 UTC)

GALILEO 28 (224), 49810

FREGAT R/B, 49811

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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 27 (223) 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.
240 mins	2026-06-22 23:40:14.619Z	324.714° NNW	2026-06-23 01:39:14.619Z	291.905° WNW	28.363°	2026-06-23 03:40:14.619Z	248.25° W
55 mins	2026-06-23 09:27:14.619Z	165.096° S	2026-06-23 10:22:14.619Z	159.367° S	27.272°	2026-06-23 10:22:14.619Z	159.367° S

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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 27 (223), 49809 on other resources

View GALILEO 27 (223), 49809 on NASA - NSSDCA Website

View GALILEO 27 (223), 49809 on Heavens-Above

View GALILEO 27 (223), 49809 on Keep Track

View GALILEO 27 (223), 49809 on Celestrak

View GALILEO 27 (223), 49809 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 27 (223), 49809

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T05:07:28.769Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #116 in the year 2021 (2021-12-05 UTC)

GALILEO 27 (223) Visibility forecast

Co-orbital & Co-planar RSOs

Check out GALILEO 27 (223), 49809 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago