It is 2032 and you are launching a telescope into space that contains consumable

Question

It is 2032 and you are launching a telescope into space that contains consumables (like liquid nitrogen) that will eventually be used up. Because of this you would like to service the telescope on a routine basis. What type of orbit would you put this telescope into? Explain the reasoning behind your choice and identify which set of orbital parameters listed below corresponds to this orbit. Next, you would like to send data from your space telescope to a particular control center on the ground. The folks at the control center explain to you that you will be radioing your data from the telescope to a relay satellite, which will then downlink the data. Given the orbit you chose for the telescope, why might you choose this solution rather than trying to send data directly from the telescope to the ground? Which of the orbital parameters listed below do you think the relay satellite will use? Keep in mind that once you start transferring your data you don't want the transfer to be interrupted. List of Orbital Parameters Orbit 1: Semi-major axis = 1.262 AU, perihelion 1AU. Orbit 2: Semi-major axis 3199km, highly eccentric. Orbit 3: Orbital period 90 minutes, semi-major axis about 6500 km. Orbit 4: Semi-major axis 36000 km, eccentricity 0.

Explanation / Answer

In the first case if we are going to put the satellite on the perticular orbit then there must be certain kind of sources of energy which should be preinstalled in the machine before the launching of it. but suppose whatever the sources you might be putted in it and if it get exausted than we have to look for some physical laws and mechanism of orbital motion for the contineous working of the machine. since all the satellite are launched and targeted to fix in a regular orbit of perticular shape and size which can maintain the velocity of this and hence it will be always in a movable condition. so orbit 3 satisfy the above condition.

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and in case second, for the concept of sending the data then for your knowledge i want to clarify first the concept of transmission of data through the electromagnetic waves. in satellite what we preffred is to transmit the data by light waves. in telescope, the light will be easy to transmit data from the telecope to the satellite and it will only possible when the orbit have the difference in it geometry elliptically.

so orbit 2 will be possible answer to this.

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