Orbital Distance (a=AUs)	Orbital Period (P=years)	Orbital Eccentricity (e)	Orbital Inclination (i=degrees)	Mass (Earths)	Diameter (Earths)	Density (Earths)	Surface Gravity (Earths)	Metallicity (Solar)
Tau Ceti	0.0	...	...	...	306,000	83	...	...	0.22-0.74
Planet b?	0.105	0.038	0.16	?	=>2.0	>1?	...	...	...
Planet c?	0.195	0.097	0.03	?	=>3.1	>1?	...	...	...
Planet d?	0.374	0.258	0.08	?	=>3.6	>1?	...	...	...
Inner H.Z. Edge?	~0.58	0.465	0	60-90?	...	...	...	...	...
Planet e?	0.552	0.460	0.05	?	=>4.3	>1?	...	...	...
Outer H.Z. Edge?	~1.16	1.305	0	60-90?	...	...	...	...	...
Planet f?	1.35	1.76	0.03	?	=>6.6	>1?	...	...	...
Inner Dust Disk Edge?	~10	~33	?	60-90?	...	...	...	...	...
Outer Dust Disk Edge?	~55	~428	?	60-90?	...	...	...	...