diameter:		Mass	density
	a (AU)	Period	"day"	(km)	x Earth	x Earth	(g/cc)	comp.	moons	rings?
Mercury	0.39	88 days	59 days	4900	0.38	0.055	5.4	rock	0	no
Venus	0.72	225 days	243 days (R)	12,100	0.95	0.82	5.2	rock	0	no
Earth	1	365 days	24 hours	12,800	-	(5.98x10^24 kg)	5.5	rock	1	no
Mars	1.52	687 days	24.6 hours	6,800	0.53	0.11	3.9	rock	2	no
Jupiter	5.2	11.9 years	9.9 hours	143,000	11.2	318	1.3	gas	63	yes
Saturn	9.5	29.5 years	10.7 hours	121,000	9.4	95.2	0.7	gas	61	yes
Uranus	19.2	84 years	17.2 hours	51,100	4	14.5	1.3	gas	27	yes
Neptune	30.1	165 years	16.1 hours	49,500	3.9	17.2	1.8	gas	13	yes
Pluto	39.5	249 years	6.4 days	2,300	0.18	0.0022	2	ice/rock	3	no