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HYLAS 4 (43272)
COSPAR: 2018-033B | Alt Name: Hylas 4
Image
Additional Sources
Launch Details
Launch Date
April 5, 2018
Launch Site
FRGUI
Launch Pad
ELA3
Launch Vehicle
Ariane 5ECA
Orbital Elements
NORAD ID
43272
International Designator
2018-033B
Epoch
Thu, 02 Jul 2026 18:57:18 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.02°
Right Ascension
24.23°
Eccentricity
Calculating...
Argument of Perigee
121.25°
Period
1436.14 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
HYLAS 4
Alternative Name
Hylas 4
Type
Payload
Status
Operational
Owner
AVANTI
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43272U 18033B 26183.78979625 .00000000 00000-0 00000-0 0 9996
2 43272 0.0202 24.2276 0000974 121.2451 26.1743 1.00268685 30229
Source: Celestrak
Summary
HYLAS 4, also known as Hylas 4, is a communication satellite built by OATKD and owned by AVANTI. It was launched on April 5, 2018, from ELA3 at FRGUI using the Ariane 5ECA launch vehicle. The satellite has dimensions of 3 meters in length, 3.1 meters in diameter, and a span of 22 meters with its solar arrays deployed. It weighs 4050 kg at launch and has a dry mass of 2000 kg. HYLAS 4 is equipped with 66 high-throughput Ka-band beams for communication purposes and is powered by two deployable solar arrays and batteries. The satellite's mission is expected to last for 15 years.
Physical Characteristics
Length
3
Diameter
3.1
Span
22
Dry Mass
2000
Launch Mass
4050
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Hylas 4
Purpose
Communication
Mission
Communication
Manufacturer
OATKD
Life Expectancy
15 years
Bus
Geostar-3
Configuration
GEOStar-3
Motor
IHI BT-4
Equipment
66 high-throughput Ka-band beams
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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