Welcome to 197307171

197307171
15 Planets (size proportional to Sqrt(Radius)) See Key
Stellar charactersistics
Stellar mass	0.97 solar masses
Stellar luminosity	0.65
Age	5.750 billion years (9.173 billion left on main sequence)
Habitable ecosphere radius	0.806 AU (0.656 - 1.164 AU)

Planetary Overview
#	Type			Dist.	Mass	Radius
1		Rock		0.331 AU	0.135 EM	0.517 ER
2		Rock		0.491 AU	0.087 EM	0.447 ER
3		Rock		0.677 AU	0.073 EM	0.422 ER
4		Terrestrial		0.777 AU	0.771 EM	0.919 ER
5		Terrestrial		0.818 AU	0.759 EM	0.914 ER
	5.1		Rock	0.818 AU	0.037 EM	0.336 ER
6		Jovian		2.042 AU	30.356 EM	4.857 ER
7		Asteroids		3.130 AU	0.001 EM	0.081 ER
8		Martian		4.275 AU	0.567 EM	1.108 ER
	8.1		Martian	4.275 AU	0.381 EM	0.973 ER
9		Jovian		5.188 AU	154.698 EM	8.440 ER
10		Jovian		10.504 AU	512.320 EM	12.693 ER
11		Rock		17.873 AU	0.061 EM	0.533 ER
12		Ice		25.145 AU	0.864 EM	1.270 ER
13		Sub-Jovian		34.328 AU	2.249 EM	2.876 ER
	13.1		Rock	34.328 AU	0.006 EM	0.246 ER
14		Rock		45.609 AU	0.147 EM	0.711 ER
	14.1		Rock	45.609 AU	0.006 EM	0.241 ER
15		Rock		48.180 AU	0.016 EM	0.339 ER

Planet #1 Statistics
Planet type	Rock Tidally Locked 1 Face Low-G, Hot, Airless, 1-Face
Distance from primary star	4.9E+07 KM	0.331 AU
Mass	8.1E+23Kg	0.135 Earth masses
Surface gravity	494.0 cm/sec2	0.50 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	145.9° Celcius 294.7° Fahrenheit	+131.9° C Earth temperature +237.5° F Earth temperature
Normal temperature range	Min Max -207.7° C -341.8° F - 342.2° C 647.9° F
Equatorial radius	3298.4 Km	0.52 Earth radii
Density	5.36 grams/cc	0.97 Earth densities
Eccentricity of orbit	0.048
Escape Velocity	5.7 Km/sec
Molecular weight retained	144.9 and above
Axial tilt	23°
Planetary albedo	0.07
Exospheric Temperature	7565.20° K	+6292.20° C Earth temperature
Length of year	70.53 Earth days	1.00 Local days
Length of day	1692.83 hours
Boiling point of water	-273.1° Celcius -459.7° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #2 Statistics
Planet type	Rock Resonant Spin Locked Low-G, Hot, Airless, 1-Face
Distance from primary star	7.3E+07 KM	0.491 AU
Mass	5.2E+23Kg	0.087 Earth masses
Surface gravity	425.7 cm/sec2	0.43 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	70.9° Celcius 159.7° Fahrenheit	+56.9° C Earth temperature +102.5° F Earth temperature
Normal temperature range	Min Max -224.6° C -372.3° F - 248.9° C 480.0° F
Equatorial radius	2849.4 Km	0.45 Earth radii
Density	5.35 grams/cc	0.97 Earth densities
Eccentricity of orbit	0.145
Escape Velocity	4.9 Km/sec
Molecular weight retained	88.4 and above	Xe
Axial tilt	15°
Planetary albedo	0.07
Exospheric Temperature	3438.54° K	+2165.54° C Earth temperature
Length of year	127.42 Earth days	1.34 Local days
Length of day	2284.58 hours
Boiling point of water	-273.1° Celcius -459.7° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #3 Statistics
Planet type	Rock Tidally Locked 1 Face Low-G, Warm, Airless, 1-Face
Distance from primary star	1E+08 KM	0.677 AU
Mass	4.4E+23Kg	0.073 Earth masses
Surface gravity	402.1 cm/sec2	0.41 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	19.7° Celcius 67.5° Fahrenheit	+5.7° C Earth temperature +10.3° F Earth temperature
Normal temperature range	Min Max -234.1° C -389.4° F - 183.6° C 362.5° F
Equatorial radius	2693.4 Km	0.42 Earth radii
Density	5.34 grams/cc	0.97 Earth densities
Eccentricity of orbit	0.010
Escape Velocity	4.7 Km/sec
Molecular weight retained	52.0 and above	SO2, SO3, Kr, Xe
Axial tilt	18°
Planetary albedo	0.07
Exospheric Temperature	1804.53° K	+531.53° C Earth temperature
Length of year	206.65 Earth days	1.00 Local days
Length of day	4959.70 hours
Boiling point of water	-273.1° Celcius -459.7° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #4 Statistics
Planet type	Terrestrial Earth-like (N2, O2, Ar - breathable)
Distance from primary star	1.2E+08 KM	0.777 AU
Mass	4.6E+24Kg	0.771 Earth masses
Surface gravity	895.5 cm/sec2	0.91 Earth gees
Surface pressure	621 millibars	0.613 Earth atmospheres
Surface temperature	13.9° Celcius 56.9° Fahrenheit	-0.1° C Earth temperature -0.3° F Earth temperature
Normal temperature range	Night Day 4.9° C 40.9° F - 22.1° C 71.7° F Min Max -18.3° C -0.9° F - 44.2° C 111.5° F
Equatorial radius	5859.9 Km	0.92 Earth radii
Density	5.47 grams/cc	0.99 Earth densities
Eccentricity of orbit	0.004
Escape Velocity	10.2 Km/sec
Molecular weight retained	8.2 and above	N, O, CH4, NH3, H2O, Ne, N2, CO... Nitrogen  72.6%  451 mb  (ipp: 405)   Oxygen  26.0%  162 mb  (ipp: 145)   Argon  1.3%  8 mb  (ipp: 7)
Axial tilt	23°
Planetary albedo	0.29
Exospheric Temperature	1371.02° K	+98.02° C Earth temperature
Length of year	253.94 Earth days	248.69 Local days
Length of day	24.51 hours
Boiling point of water	87.2° Celcius 188.9° Fahrenheit
Hydrosphere percentage	66.9
Cloud cover percentage	46.4
Ice cover percentage	2.0

Planet #5 Statistics
Planet type	Terrestrial Cool, Few clouds (N2, O2, Ar - breathable)
Distance from primary star	1.2E+08 KM	0.818 AU
Mass	4.5E+24Kg	0.759 Earth masses
Surface gravity	890.6 cm/sec2	0.91 Earth gees
Surface pressure	601 millibars	0.594 Earth atmospheres
Surface temperature	10.6° Celcius 51.1° Fahrenheit	-3.4° C Earth temperature -6.1° F Earth temperature
Normal temperature range	Night Day 2.6° C 36.8° F - 18.0° C 64.4° F Min Max -21.2° C -6.1° F - 40.6° C 105.1° F
Equatorial radius	5829.5 Km	0.91 Earth radii
Density	5.47 grams/cc	0.99 Earth densities
Eccentricity of orbit	0.011
Escape Velocity	10.2 Km/sec
Molecular weight retained	7.4 and above	N, O, CH4, NH3, H2O, Ne, N2, CO... Nitrogen  73.0%  439 mb  (ipp: 393)   Oxygen  25.8%  155 mb  (ipp: 139)   Argon  1.2%  7 mb  (ipp: 6)
Axial tilt	19°
Planetary albedo	0.24
Exospheric Temperature	1237.78° K	-35.22° C Earth temperature
Length of year	274.18 Earth days	303.89 Local days
Length of day	21.65 hours
Boiling point of water	86.3° Celcius 187.4° Fahrenheit
Hydrosphere percentage	66.5
Cloud cover percentage	36.5
Ice cover percentage	3.3

Moon #5.1 Statistics
Planet type	Rock Tidally Locked 1 Face Low-G, Cold, Airless, 1-Face
Distance from primary star	1.2E+08 KM	0.818 AU
Mass	2.2E+23Kg	0.037 Earth masses
Surface gravity	319.3 cm/sec2	0.33 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-6.6° Celcius 20.1° Fahrenheit	-20.6° C Earth temperature -37.1° F Earth temperature
Normal temperature range	Min Max -237.3° C -395.1° F - 149.4° C 301.0° F
Equatorial radius	2143.7 Km	0.34 Earth radii
Density	5.33 grams/cc	0.97 Earth densities
Eccentricity of orbit	0.011
Escape Velocity	3.7 Km/sec
Molecular weight retained	56.5 and above	SO2, SO3, Kr, Xe
Axial tilt	25°
Planetary albedo	0.07
Exospheric Temperature	1237.78° K	-35.22° C Earth temperature
Length of year	274.18 Earth days	1.00 Local days
Length of day	6580.31 hours
Boiling point of water	-273.1° Celcius -459.7° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #6 Statistics
Planet type	Jovian
Distance from primary star	3.1E+08 KM	2.042 AU
Mass	1.8E+26Kg	30.356 Earth masses 9.896 Earth masses dust 20.460 Earth masses gas
Equatorial radius	30976.6 Km	4.9 Earth radii
Density	1.46 grams/cc	0.26 Earth densities
Eccentricity of orbit	0.095
Escape Velocity	28.0 Km/sec
Molecular weight retained	0.2 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	33°
Planetary albedo	0.48
Exospheric Temperature	198.36° K	-1074.64° C Earth temperature
Length of year	1082.44 Earth days	2257.58 Local days 2.96 Earth years
Length of day	11.51 hours

Planet #7 Statistics
Planet type	Asteroids Low-G, Cold, Airless
Distance from primary star	4.7E+08 KM	3.130 AU
Mass	3E+21Kg	0.001 Earth masses
Surface gravity	76.4 cm/sec2	0.08 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-136.9° Celcius -214.5° Fahrenheit	-150.9° C Earth temperature -271.7° F Earth temperature
Normal temperature range	Night Day -167.1° C -268.7° F - -106.8° C -160.3° F Min Max -188.6° C -307.5° F - -85.0° C -120.9° F
Equatorial radius	514.7 Km	0.081 Earth radii
Density	5.31 grams/cc	0.96 Earth densities
Eccentricity of orbit	0.021
Escape Velocity	0.9 Km/sec
Molecular weight retained	67.1 and above	SO3, Kr, Xe
Axial tilt	25°
Planetary albedo	0.07
Exospheric Temperature	84.47° K	-1188.53° C Earth temperature
Length of year	2053.48 Earth days	866.47 Local days 5.62 Earth years
Length of day	56.88 hours
Boiling point of water	-273.1° Celcius -459.7° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #8 Statistics
Planet type	Martian Low-G, Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star	6.4E+08 KM	4.275 AU
Mass	3.4E+24Kg	0.567 Earth masses
Surface gravity	452.8 cm/sec2	0.46 Earth gees
Surface pressure	180 millibars	0.177 Earth atmospheres
Surface temperature	-156.5° Celcius -249.8° Fahrenheit	-170.5° C Earth temperature -307.0° F Earth temperature
Normal temperature range	Night Day -162.2° C -260.0° F - -151.2° C -240.1° F Min Max -182.1° C -295.8° F - -132.9° C -207.2° F
Equatorial radius	7065.8 Km	1.1 Earth radii
Density	2.29 grams/cc	0.42 Earth densities
Eccentricity of orbit	0.010
Escape Velocity	8.0 Km/sec
Molecular weight retained	0.5 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	30°
Planetary albedo	0.30
Exospheric Temperature	45.28° K	-1227.72° C Earth temperature
Length of year	3277.71 Earth days	3492.51 Local days 8.97 Earth years
Length of day	22.52 hours
Boiling point of water	57.9° Celcius 136.2° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	27.2

Moon #8.1 Statistics
Planet type	Martian Low-G, Cold, Icy, Arid, Cloudless, Unbreathably thin atmosphere
Distance from primary star	6.4E+08 KM	4.275 AU
Mass	2.3E+24Kg	0.381 Earth masses
Surface gravity	394.5 cm/sec2	0.40 Earth gees
Surface pressure	81 millibars	0.080 Earth atmospheres
Surface temperature	-157.9° Celcius -252.3° Fahrenheit	-171.9° C Earth temperature -309.5° F Earth temperature
Normal temperature range	Night Day -165.8° C -266.4° F - -150.4° C -238.8° F Min Max -187.0° C -304.6° F - -130.8° C -203.4° F
Equatorial radius	6208.1 Km	0.97 Earth radii
Density	2.27 grams/cc	0.41 Earth densities
Eccentricity of orbit	0.010
Escape Velocity	7.0 Km/sec
Molecular weight retained	0.6 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	22°
Planetary albedo	0.28
Exospheric Temperature	45.28° K	-1227.72° C Earth temperature
Length of year	3277.72 Earth days	3260.14 Local days 8.97 Earth years
Length of day	24.13 hours
Boiling point of water	41.5° Celcius 106.8° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	23.7

Planet #9 Statistics
Planet type	Jovian
Distance from primary star	7.8E+08 KM	5.188 AU
Mass	9.2E+26Kg	154.698 Earth masses 17.362 Earth masses dust 137.336 Earth masses gas
Equatorial radius	53833.3 Km	8.4 Earth radii
Density	1.41 grams/cc	0.26 Earth densities
Eccentricity of orbit	0.005
Escape Velocity	47.9 Km/sec
Molecular weight retained	0.0 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	21°
Planetary albedo	0.50
Exospheric Temperature	30.74° K	-1242.26° C Earth temperature
Length of year	4381.60 Earth days	11870.95 Local days 12.00 Earth years
Length of day	8.86 hours

Planet #10 Statistics
Planet type	Jovian
Distance from primary star	1.6E+09 KM	10.504 AU
Mass	3.1E+27Kg	512.320 Earth masses 32.062 Earth masses dust 480.258 Earth masses gas
Equatorial radius	80958.6 Km	13 Earth radii
Density	1.38 grams/cc	0.25 Earth densities
Eccentricity of orbit	0.039
Escape Velocity	71.0 Km/sec
Molecular weight retained	0.0 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	22°
Planetary albedo	0.51
Exospheric Temperature	7.50° K	-1265.50° C Earth temperature
Length of year	12615.82 Earth days	41360.37 Local days 34.54 Earth years
Length of day	7.32 hours

Planet #11 Statistics
Planet type	Rock Low-G, Cold, Airless
Distance from primary star	2.7E+09 KM	17.873 AU
Mass	3.7E+23Kg	0.061 Earth masses
Surface gravity	211.9 cm/sec2	0.22 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-217.3° Celcius -359.2° Fahrenheit	-231.3° C Earth temperature -416.4° F Earth temperature
Normal temperature range	Night Day -225.2° C -373.3° F - -209.5° C -345.0° F Min Max -241.3° C -402.3° F - -193.9° C -316.9° F
Equatorial radius	3399.9 Km	0.53 Earth radii
Density	2.23 grams/cc	0.4 Earth densities
Eccentricity of orbit	0.060
Escape Velocity	3.8 Km/sec
Molecular weight retained	0.2 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	44°
Planetary albedo	0.15
Exospheric Temperature	2.59° K	-1270.41° C Earth temperature
Length of year	28023.39 Earth days	20428.95 Local days 76.72 Earth years
Length of day	32.92 hours
Boiling point of water	-74.3° Celcius -101.8° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #12 Statistics
Planet type	Ice Low-G, Cold, Icy, Arid, Cloudless, Thin atmosphere
Distance from primary star	3.8E+09 KM	25.145 AU
Mass	5.2E+24Kg	0.864 Earth masses 0.618 Earth masses dust 0.246 Earth masses gas
Surface gravity	525.0 cm/sec2	0.54 Earth gees
Surface pressure	195 millibars	0.192 Earth atmospheres
Surface temperature	-223.8° Celcius -370.9° Fahrenheit	-237.8° C Earth temperature -428.1° F Earth temperature
Normal temperature range	Night Day -226.0° C -374.7° F - -221.8° C -367.2° F Min Max -239.2° C -398.6° F - -209.8° C -345.7° F
Equatorial radius	8099.1 Km	1.3 Earth radii
Density	2.32 grams/cc	0.42 Earth densities
Eccentricity of orbit	0.052
Escape Velocity	9.2 Km/sec
Molecular weight retained	0.0 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	57°
Planetary albedo	0.23
Exospheric Temperature	1.31° K	-1271.69° C Earth temperature
Length of year	46760.82 Earth days	53652.36 Local days 128.02 Earth years
Length of day	20.92 hours
Boiling point of water	59.6° Celcius 139.3° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	100.0

Planet #13 Statistics
Planet type	Sub-Jovian
Distance from primary star	5.1E+09 KM	34.328 AU
Mass	1.3E+25Kg	2.249 Earth masses 0.904 Earth masses dust 1.346 Earth masses gas
Equatorial radius	18344.5 Km	2.9 Earth radii
Density	0.52 grams/cc	0.094 Earth densities
Eccentricity of orbit	0.040
Escape Velocity	9.9 Km/sec
Molecular weight retained	0.0 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	36°
Planetary albedo	0.45
Exospheric Temperature	0.70° K	-1272.30° C Earth temperature
Length of year	74589.51 Earth days	71505.10 Local days 204.21 Earth years
Length of day	25.04 hours

Moon #13.1 Statistics
Planet type	Rock Low-G, Cold, Airless
Distance from primary star	5.1E+09 KM	34.328 AU
Mass	3.6E+22Kg	0.006 Earth masses
Surface gravity	97.2 cm/sec2	0.10 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-232.9° Celcius -387.3° Fahrenheit	-246.9° C Earth temperature -444.5° F Earth temperature
Normal temperature range	Night Day -240.6° C -401.1° F - -225.1° C -373.1° F Min Max -253.6° C -424.4° F - -211.5° C -348.7° F
Equatorial radius	1569.4 Km	0.25 Earth radii
Density	2.22 grams/cc	0.4 Earth densities
Eccentricity of orbit	0.040
Escape Velocity	1.7 Km/sec
Molecular weight retained	0.2 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	50°
Planetary albedo	0.15
Exospheric Temperature	0.70° K	-1272.30° C Earth temperature
Length of year	74589.77 Earth days	36825.12 Local days 204.21 Earth years
Length of day	48.61 hours
Boiling point of water	-105.1° Celcius -157.2° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #14 Statistics
Planet type	Rock Low-G, Cold, Airless
Distance from primary star	6.8E+09 KM	45.609 AU
Mass	8.8E+23Kg	0.147 Earth masses
Surface gravity	284.4 cm/sec2	0.29 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-238.2° Celcius -396.7° Fahrenheit	-252.2° C Earth temperature -453.9° F Earth temperature
Normal temperature range	Night Day -242.4° C -404.3° F - -233.8° C -388.9° F Min Max -253.2° C -423.8° F - -223.2° C -369.7° F
Equatorial radius	4534.2 Km	0.71 Earth radii
Density	2.24 grams/cc	0.41 Earth densities
Eccentricity of orbit	0.090
Escape Velocity	5.1 Km/sec
Molecular weight retained	0.0 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	66°
Planetary albedo	0.15
Exospheric Temperature	0.40° K	-1272.60° C Earth temperature
Length of year	114230.60 Earth days	96475.85 Local days 312.74 Earth years
Length of day	28.42 hours
Boiling point of water	-59.7° Celcius -75.5° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.1

Moon #14.1 Statistics
Planet type	Rock Low-G, Cold, Airless
Distance from primary star	6.8E+09 KM	45.609 AU
Mass	3.4E+22Kg	0.006 Earth masses
Surface gravity	95.1 cm/sec2	0.10 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-238.3° Celcius -396.9° Fahrenheit	-252.3° C Earth temperature -454.1° F Earth temperature
Normal temperature range	Night Day -244.9° C -408.8° F - -231.4° C -384.5° F Min Max -256.8° C -430.2° F - -218.7° C -361.6° F
Equatorial radius	1535.5 Km	0.24 Earth radii
Density	2.22 grams/cc	0.4 Earth densities
Eccentricity of orbit	0.090
Escape Velocity	1.7 Km/sec
Molecular weight retained	0.1 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	57°
Planetary albedo	0.15
Exospheric Temperature	0.40° K	-1272.60° C Earth temperature
Length of year	114230.62 Earth days	55780.96 Local days 312.74 Earth years
Length of day	49.15 hours
Boiling point of water	-105.8° Celcius -158.5° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0

Planet #15 Statistics
Planet type	Rock Low-G, Cold, Airless
Distance from primary star	7.2E+09 KM	48.180 AU
Mass	9.4E+22Kg	0.016 Earth masses
Surface gravity	134.1 cm/sec2	0.14 Earth gees
Surface pressure	0 millibars	0.000 Earth atmospheres
Surface temperature	-239.2° Celcius -398.5° Fahrenheit	-253.2° C Earth temperature -455.7° F Earth temperature
Normal temperature range	Night Day -244.8° C -408.6° F - -233.4° C -388.1° F Min Max -257.8° C -432.0° F - -219.4° C -363.0° F
Equatorial radius	2161.5 Km	0.34 Earth radii
Density	2.22 grams/cc	0.4 Earth densities
Eccentricity of orbit	0.012
Escape Velocity	2.4 Km/sec
Molecular weight retained	0.1 and above	H, H2, He, N, O, CH4, NH3, H2O...
Axial tilt	41°
Planetary albedo	0.15
Exospheric Temperature	0.36° K	-1272.64° C Earth temperature
Length of year	124026.27 Earth days	71916.96 Local days 339.56 Earth years
Length of day	41.39 hours
Boiling point of water	-93.6° Celcius -136.5° Fahrenheit
Hydrosphere percentage	0.0
Cloud cover percentage	0.0
Ice cover percentage	0.0