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HELLAS-SAT 2, 27811

Orbit data source: Space-Track

HELLAS-SAT 2, 27811 is a payload satellite owned by HellasSat (GR) in GEO that was launched on Tue, 13 May 2003 UTC via an ATLAS V 401 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/27811?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/27811?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

27811, 2003-020A

Orbit

GEO

Last TLE update

1 day ago

Origin

HellasSat Consortium Ltd, OTE Group (Org. Telepikoinonion Ellados) (Unknown / GREC)

Manufacturer

Astrium

Mission

Operational Commercial Communications

Bus & Motor

EUROSTAR 2000+, R-4D-11-300

Mass

3,250 kg wet, ~1,729 kg dry

Launch date (UTC)

2003-05-13 (22 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan + 2 Dish, 32 m

Radar Cross Section

23.451 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 HELLAS-SAT 2
1 27811U 03020A   25180.11572715 -.00000091  00000-0  00000-0 0  9990
2 27811   6.4736  72.1097 0003299  47.3126 189.6461  1.00272021 39304

Epoch: 2025-06-29T02:46Z

TLE epoch observation values (Epoch: 2025-06-29T02:46:38.825Z)

Latitude

-5.45046°

Longitude

-10.1907°

Altitude

35,800.687 km

Speed

3.074 km/s

True Right ascension

20h 35m 39s

True Declination

-5° 26' 42"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-2.05189°

Longitude

94.56629°

Altitude

35,780.577 km

Speed

3.075 km/s

Apparent Right ascension

04h 00m 50s

Apparent Declination

-7° 25' 03"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:13:59

Azimuth

88.223° E

Elevation

-13.722°

Doppler factor

Orbital elements

Apogee altitude

35,801.49 km

Perigee altitude

35,773.669 km

Semi-major axis

42,165.716 km

Eccentricity

0.00033

Inclination

6.4736°

RAAN

72.1097°

Arg. of periapsis

47.3126°

True anomaly

Unknown

Mean anomaly

189.6461°

Eccentric anomaly

Unknown

Mean motion

0.25067 °/min

Orbital period

1,436.15 mins

BSTAR

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27811 neighbors

Authenticating...

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Other satellites on launch #20 in the year 2003 (2003-05-13 UTC)

ATLAS 5 CENTAUR R/B, 27812 (Decayed)

HELLAS-SAT 2 Visibility

Observer location: undefined°, undefined°

HELLAS-SAT 2 is likely not visible in the next few days

Authenticating...

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Check out HELLAS-SAT 2, 27811 on other resources

View HELLAS-SAT 2, 27811 on NASA - NSSDCA Website

View HELLAS-SAT 2, 27811 on Heavens-Above

View HELLAS-SAT 2, 27811 on Keep Track

View HELLAS-SAT 2, 27811 on Celestrak

View HELLAS-SAT 2, 27811 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.