# Orbit of a satellite Calculator

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

 Orbital altitude h km  from Earth's surface 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit Orbital radius r km Flight velocity v km/s Orbital period P (hh:mm:ss)
 $\normal flight\ velocity:\ v=\sqrt{\large\frac{398600.5}{6378.14+h}}\hspace{10} {\small(km/s)}\\orbital\ period:\ P=2\pi{\large\frac{6378.14+h}{v}}\hspace{10} {\small(sec)}\\$

Orbit of a satellite
 [1-10] /76 Disp-Num5103050100200
[1]  2019/03/14 07:32   Male / 30 years old level / An engineer / Very /
Purpose of use
Get orbit period
[2]  2019/03/14 03:09   Male / 50 years old level / An engineer / Very /
Purpose of use
Mission design quick look
[3]  2019/03/12 10:20   Female / Under 20 years old / Others / Not at All /
Purpose of use
physics lab
[4]  2019/02/04 12:18   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
to calculate factors of an orbit for a theoretical space station, designing for school =)
Comment/Request
N/a
[5]  2019/02/03 21:51   Male / 20 years old level / High-school/ University/ Grad student / - /
Purpose of use
Checking with manual calculations for assignment
[6]  2019/01/21 21:58   Male / 60 years old level or over / A teacher / A researcher / Useful /
Purpose of use
Small satellite constellation for disaster management
[7]  2019/01/12 01:37   Male / 30 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
Query on orbital velocities for LEO Iridium satellite constellation.

h = ~629km, v= ~27100km/h (7.54km/s)
Comment/Request
Query on orbital velocities for LEO Iridium satellite constellation.

h = ~629km, v= ~27100km/h (7.54km/s)
[8]  2019/01/10 07:38   Male / 50 years old level / A teacher / A researcher / Very /
Purpose of use
Helping my son with Physics homework.
Comment/Request
Exactly what was needed.
[9]  2019/01/08 02:55   Male / 60 years old level or over / A retired person / A little /
Purpose of use
[10]  2018/12/20 01:23   Male / 30 years old level / An engineer / A little /
Purpose of use
Just for some calculus thanks.
Comment/Request
There is no need to assume cirucular orbit if you use semi mayor axis as input instead of altitude. In any case, all the outputs can be inputs (altitude only if circularOrbit), so maybe by setting one the tool gives you the others, just an idea.

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