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Mega Satellite constellation - Coggle Diagram
Mega Satellite constellation
Advantages
System simplicity
Enhanced coverage
Survivability
Disadvantages
Limited capability
Higher operational and launch costs
Principal Design Factors
minimum elevation angle
Altitude
Consterlation pattern
number of orbit planes
Number of satellites
Collision avoidance parameters
Detailed Example : GolbalStar
A LEO Cellular Phone Constellation
48 satellites in 8 planes
Hight : 1414km
7 Boeing Delta II & 6 Russian Soyuz Launches
Orbit Inclination of 52 degrees
challenges
communication
space traffic
constellation management
Scientific concerns regarding satellite constellations ?
To minimise solar heating effects
void interfering with radio astronomy frequencies
Satellite Constellation examples
Global Positioning System (GPS)
Galileo and GLONASS ( navigation )
Iridium & Globalstar ( telephony services )
Disaster Monitoring & RapidEye ( remote sensing)
Starlink & OneWeb ( satellite broadband)
Located in LEO & MEO
provide permanent global or near-global coverage
Not the same thing as satellite clusters , satellite programs or satellite fleets
A group of artificial satellites working together as a system
