Orbital periods.?

0 ⤊

The semimajor axis of Jupiter around the sun is 1.8x10^8km. An asteroid in the asteroid belt has an orbital period half that of Jupiter. What is the semimajor axis of the asteroid's orbit around the sun ?

2007-09-07 02:23:42 · 1 answers · asked by David M 1 in Science & Mathematics ➔ Physics

1 answers

R is proportional to T^(2/3) (see Kepler's 3rd law)
0.5^(2/3) = 0.6300
1.8E8*0.63 = 1.134E8 km.

2007-09-07 03:43:53 · answer #1 · answered by kirchwey 7 · 0⤊ 0⤋