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.
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27811 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
Unknown / GRECRelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan + 2 Dish, 16.0 m
Radar Cross Section
23.451 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 HELLAS-SAT 2
1 27811U 03020A 25247.99350115 -.00000083 00000-0 00000-0 0 9999
2 27811 6.6376 71.2826 0007278 124.7460 136.0298 1.00272241 39980Epoch: 2025-09-04T23:50Z
TLE epoch observation values (Epoch: 2025-09-04T23:50:38.499Z)
Latitude
-6.55902°
Longitude
-9.96984°
Altitude
35,809.314 km
Speed
3.073 km/s
True Right ascension
22h 08m 09s
True Declination
-6° 33' 09"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
11:03:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,818.205 km
Perigee altitude
35,756.828 km
Semi-major axis
42,165.654 km
Eccentricity
0.00073
Inclination
6.6376°
RAAN
71.2826°
Arg. of periapsis
124.746°
True anomaly
136.08767°
Mean anomaly
136.0298°
Eccentric anomaly
136.05874°
Mean motion
0.25067 °/min
Orbital period
1,436.14 mins
BSTAR
0
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Other satellites on launch #20 in the year 2003 (2003-05-13 UTC)
HELLAS-SAT 2 Visibility
Observer location: undefined°, undefined°
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. |
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27811 neighbors
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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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