Orbit of a satellite Calculator

Calculates the orbital radius and period, and flight velocity from the orbital altitude.

Orbit of a satellite
Orbital altitude h
    1. km
    2.  from Earth's surface

Orbital radius r
    1.  
    2. km
Flight velocity v
    1.  
    2. km/s
Orbital period P
    1.  
    2. (hh:mm:ss)
    Orbit of a satellite
    [1-10] /121Disp-Num
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    [1]  2020/07/29 22:50   Male / 40 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    Discovering at what speed you'd need to push a squirrel to miss the earth at that squirrel's fatal fall altitude (8000kms)
    [2]  2020/07/24 14:31   Male / 60 years old level or over / A retired person / Useful /
    Purpose of use
    Research for a scifi writing project.
    [3]  2020/07/21 04:30   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Calculating a stable orbit for a space station in Space Engineers
    [4]  2020/07/15 09:52   Male / 30 years old level / A teacher / A researcher / Useful /
    Purpose of use
    Checking period of GCOM-W1 for research purposes
    [5]  2020/06/26 19:26   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Used it for KSP RSS for comm sat orbits
    [6]  2020/06/04 01:23   Male / 60 years old level or over / A retired person / Useful /
    Purpose of use
    I am writing a sci-fi novel and am doing preliminary research on the altitude that a time mirror would have to orbit so that its antiproton beam will always point at the Earths' southern rotational axis. The mirror is mounted in a fixture which will enable it to maintain the correct attitude, but I was wondering if the orbital radius over the South Pole (rotational axis) has to be fixed or does it matter. I think that it doesn't matter, as long as the satellite maintains a circum-solar orbit.(?)
    [7]  2020/06/03 03:55   Male / 60 years old level or over / An engineer / Useful /
    Purpose of use
    Checking my spreadsheet calculations before teaching class
    Comment/Request
    My results are slightly different -- a bit high on orbital altitude and a bit low on velocity. Suspect the difference may be the result of different values used for G, m_earth and radius_earth. Spreadsheet uses 6.674E-11 m3/kg sec2, 5.972E+24 kg, 6437E+06 m.
    [8]  2020/04/20 16:54   Female / 60 years old level or over / A retired person / A little /
    Purpose of use
    Curious to know how fast Starlink satellites are traveling around the earth. They are 340 miles from the surface of earth.
    Comment/Request
    Figured they are 211 kilometers from earth surface, but i don't understand figures shown in calculation to convert to mph.
    [9]  2020/04/09 17:56   Male / 30 years old level / An engineer / Very /
    Purpose of use
    Calculating the story points of our Sprint planning
    [10]  2020/03/28 22:44   Male / 20 years old level / High-school/ University/ Grad student / - /
    Purpose of use
    Calculations for game i am making

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