When the given parameters are substituted in the orbital velocity formula, we get. F g = F c. G×M×Mo/r 2 = Mo×r×4×π 2 /T 2. which is the more correct formula. M= 4×π 2 ×r 3 /G×T 2 ), \[ google_ad_slot = "4786353536"; The correction due to including \( m \) is pretty small in practice, but not always totally negligible. You can calculate the speed of a … Where ‘T’ is the orbital period of the moon around that planet. Kepler's third law calculator solving for satellite mean orbital radius given universal gravitational constant, satellite orbit period and planet mass. $T = \ $ orbital period, Orbital Speed Formula. \]. Inputs to this routine include the planetary albedo α (assumed to be 0.2), eccentricity, tidal quality factor Q p (assumed to be 1000000), semiamplitude of the radial velocity K, period, stellar mass, effective temperature, stellar radius, and relative orbital inclination factor sin i=1. For the special case of circular orbits, the semimajor axis is equal to the radius. \]. v orbit = 20.636 x 106 m/s. V orbit = √ GM / R = √6.67408 × 10-11 × 1.5 × 10 27 / 70.5×10 6 = √ 10.0095 x 10 16 / … $ \mu = GM \, $ is the standard gravitational parameter, in $ m^3/s^2 $ 3. The orbital period of Earth will be denoted by the variable P1 and the orbital period of Mars will be denoted by P2. Physics Formulas and Tables- Since we know that for the Sun-Earth system $T$ is 1 year for $a=1 \ {\rm AU}$ (AU $=$ astronomical units), and for $M+m$ in units of solar mass, \[ Customer Voice. Consequently, astronomers expect to be making refinements in calculating its orbital size and shape well into the 21st century. Given here is the orbit formula for the calculation of orbital radius, flight velocity and an orbital period of a satellite revolving around Earth.