MERCURY	VENUS	EARTH	MARS	JUPITER	SATURN	URANUS	NEPTUNE	PLUTO	PLUTO
DISTANCE (AU)	0.387	0.723	1	1.524	5.203	9.538	19.18	30.06	39.53	39.53
PERIOD (yrs)	0.24	0.61	1.00	1.88	11.87	29.46	84.00	164.81	248.54	248.54
RADIUS (km)	2439	6052	6378	3398	71400	60330	25559	24764	1150	1150
MASS (10^24 kg)	0.33	4.87	5.98	0.642	1900	569	86.8	102	0.013	0.013
GRAVITY (m/s2)	3.70	8.87	9.81	3.71	24.86	10.43	8.86	11.09	0.66	0.66
ESCAPE SPEED (km/s)	4.25	10.35	11.18	5.02	59.54	35.45	21.27	23.43	1.23	1.23
SPIN (hrs)	1408	5832	24	24.62	9.8	10.6	17.3	16.1	6.39	6.39
COMPOSITION	He,O, Na	CO2	N2, O2,	CO2	H2, He	H2, He	H2, He	H2, He	N2, CH4, CO	N2, CH4, CO
MOLECULAR MASS (amu)	16	44	29	44	2.22	2.07	2.64	2.61	28	28
ALBEDO	0.12	0.59	0.39	0.15	0.44	0.46	0.56	0.51	0.5	0.5
TEMPERATURE (eq)	444	268	252	222	108	79	53	43	38	38
TEMPERATURE (actual)	100-700	740	288	223	125	95	60	50	~40	~40
SURFACE PRESSURE (bar)	9.47E-15	92	1	0.006	1	1	1	1	3.00E-06	1.00E-04
SCALEHEIGHT (km)	62	16	8	11	19	36	21	14	17	17
RADIUS/H	39	387	763	301	3819	1660	1207	1737	67	67
COLUMN MASS (kg/m2)	2.6E-10	1.0E+06	1.0E+04	1.6E+02	4.0E+03	9.6E+03	1.1E+04	9.0E+03	4.6E-01	1.5E+01
TOTAL MASS (kg)	1.9E+04	4.8E+20	5.2E+18	2.3E+16	2.6E+20	4.4E+20	9.3E+19	6.9E+19	7.6E+12	2.5E+14
COLUMN No. DENSITY (/m2)	1.0E+16	1.5E+31	2.2E+29	2.3E+27	1.1E+30	2.9E+30	2.7E+30	2.2E+30	1.0E+25	3.4E+26
SURFACE No. DENSITY (/m3)	1.55E+11	9.01E+26	2.52E+25	1.95E+23	5.80E+25	7.63E+25	1.21E+26	1.45E+26	5.70E+20	1.90E+22
SURFACE DENSITY (kg/m3)	4.11E-15	6.58E+01	1.21E+00	1.42E-02	2.14E-01	2.62E-01	5.29E-01	6.28E-01	2.65E-05	8.84E-04
	MOON	IO	EUROPA	GANYMEDE	CALLISTO	TITAN	TRITON
DISTANCE (AU)	1	5.2	5.2	5.2	5.2	9.538	30.06
PERIOD (yrs)
RADIUS (km)	1738	1820	1565	2640	2420	2575	1350
MASS (10^24 kg)	0.0735	0.0889	0.0479	0.148	0.108	0.135	0.0214
GRAVITY (m/s2)	1.62	1.79	1.30	1.42	1.23	1.36	0.78
ESCAPE SPEED (km/s)	2.37	2.55	2.02	2.73	2.44	2.64	1.45
SPIN (hrs)
COMPOSITION	He, Na, O	SO2	O2	O2	O2	N2, CH4	N2
MOLECULAR MASS (amu)	23	64	32	32	32	28	28
ALBEDO	0.11	0.63	0.64	0.43	0.17	0.2	0.14
TEMPERATURE (eq)	277	97	97	109	119	87	50
TEMPERATURE (actual)	100-400					94	~50
SURFACE PRESSURE (bar)	1.2E-15	9.2E-10	3.3E-12	2.2E-12	1.9E-10	1.5	1.00E-05
SCALEHEIGHT (km)	61	7	19	20	25	19	19
RADIUS/H	28	259	82	133	97	136	72
COLUMN MASS (kg/m2)	7.4E-11	5.1E-05	2.6E-07	1.5E-07	1.5E-05	1.1E+05	1.3E+00
TOTAL MASS (kg)	2.8E+03	2.1E+09	7.9E+06	1.3E+07	1.1E+09	9.2E+18	2.9E+13
COLUMN No. DENSITY (/m2)	2.0E+15	5.0E+20	5.0E+18	3.0E+18	3.0E+20	2.5E+30	2.9E+25
SURFACE No. DENSITY (/m3)	3.13E+10	6.81E+16	2.50E+14	1.45E+14	1.15E+16	1.16E+26	1.45E+21
SURFACE DENSITY (kg/m3)	1.19E-15	7.24E-09	1.33E-11	7.71E-12	6.10E-10	5.37E+00	6.73E-05