🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 12.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,431,365 km

• M1: 157,527 km (0.086 R)
• M2: 696,827 km (0.091 R)
• M3: 1,124,976 km (0.116 R)
• M4: 1,738,477 km (0.055 R)
• M5: 2,907,883 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 9.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.62 AU - 0.9 AU

Year: 449 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,431,365 km

• M1: 123,568 km (0.114 R)
• M2: 470,037 km (0.097 R)
• M3: 958,474 km (0.111 R)
• M4: 1,281,455 km (0.112 R)
• M5: 2,165,878 km (0.102 R)
• M6: 2,651,173 km (0.1 R)
• M7: 2,987,619 km (0.101 R)
• M8: 3,315,986 km (0.09 R)
• M9: 4,088,211 km (0.091 R)
• M10: 4,554,806 km (0.102 R)
• M11: 5,089,320 km (0.037 R)
• M12: 5,595,110 km (0.102 R)
• M13: 6,152,661 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 13.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.09 AU - 1.17 AU

Year: 815 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,431,365 km

• M1: 168,148 km (0.1 R)
• M2: 587,022 km (0.072 R)
• M3: 1,041,500 km (0.106 R)
• M4: 1,497,923 km (0.045 R)
• M5: 2,157,949 km (0.071 R)
• M6: 2,686,030 km (0.083 R)
• M7: 3,106,549 km (0.117 R)
• M8: 3,571,350 km (0.094 R)
• M9: 4,006,680 km (0.074 R)
• M10: 4,933,139 km (0.077 R)
• M11: 5,761,762 km (0.085 R)
• M12: 6,767,508 km (0.096 R)
• M13: 8,032,209 km (0.1 R)
• M14: 8,529,323 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 14.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.97 AU - 1.47 AU

Year: 914 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,431,365 km

• M1: 182,958 km (0.075 R)
• M2: 695,032 km (0.078 R)
• M3: 1,184,815 km (0.096 R)
• M4: 2,604,798 km (0.107 R)
• M5: 4,131,295 km (0.116 R)
• M6: 4,913,093 km (0.095 R)
• M7: 5,709,702 km (0.103 R)
• M8: 7,029,305 km (0.057 R)
• M9: 7,736,304 km (0.107 R)
• M10: 8,303,879 km (0.049 R)
• M11: 8,816,251 km (0.058 R)
• M12: 9,378,590 km (0.11 R)
• M13: 10,236,384 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 11.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.22 AU - 1.44 AU

Year: 1040 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,431,365 km

• M1: 143,016 km (0.08 R)
• M2: 504,444 km (0.12 R)
• M3: 951,592 km (0.093 R)
• M4: 1,351,018 km (0.118 R)
• M5: 1,993,990 km (0.116 R)
• M6: 2,493,348 km (0.098 R)
• M7: 3,573,744 km (0.105 R)
• M8: 4,246,036 km (0.106 R)
• M9: 4,659,076 km (0.101 R)
• M10: 5,693,097 km (0.112 R)
• M11: 6,106,884 km (0.1 R)
• M12: 6,682,238 km (0.111 R)
• M13: 7,369,191 km (0.055 R)
• M14: 8,627,608 km (0.088 R)
• M15: 9,175,137 km (0.102 R)
• M16: 10,339,756 km (0.109 R)
• M17: 10,760,126 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 14.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.14 AU - 2.98 AU

Year: 2778 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 60.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,431,365 km

• M1: 181,612 km (0.028 R)
• M2: 986,748 km (0.106 R)
• M3: 2,473,152 km (0.053 R)
• M4: 3,113,431 km (0.062 R)
• M5: 4,271,019 km (0.072 R)
• M6: 5,151,103 km (0.056 R)
• M7: 6,285,953 km (0.111 R)
• M8: 7,676,166 km (0.099 R)
• M9: 9,262,801 km (0.061 R)
• M10: 11,678,507 km (0.094 R)
• M11: 12,190,581 km (0.03 R)
• M12: 14,930,915 km (0.097 R)
• M13: 17,170,993 km (0.117 R)
• M14: 19,094,822 km (0.093 R)
• M15: 19,627,241 km (0.042 R)
• M16: 20,908,397 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 13.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.72 AU - 4.72 AU

Year: 5880 Days

Day: 10.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,431,365 km

• M1: 170,691 km (0.062 R)
• M2: 725,998 km (0.109 R)
• M3: 1,364,931 km (0.098 R)
• M4: 1,862,793 km (0.106 R)
• M5: 3,197,654 km (0.093 R)
• M6: 4,589,064 km (0.112 R)
• M7: 5,179,976 km (0.072 R)
• M8: 9,178,129 km (0.077 R)
• M9: 10,797,825 km (0.102 R)
• M10: 11,896,322 km (0.102 R)
• M11: 13,386,017 km (0.119 R)
• M12: 13,818,206 km (0.038 R)
• M13: 16,120,367 km (0.103 R)
• M14: 18,734,740 km (0.053 R)
• M15: 19,344,501 km (0.099 R)
• M16: 21,253,519 km (0.097 R)
• M17: 23,440,790 km (0.099 R)
• M18: 24,069,549 km (0.12 R)
• M19: 25,034,007 km (0.105 R)
• M20: 25,774,217 km (0.098 R)
• M21: 26,359,893 km (0.071 R)
• M22: 27,994,399 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.5

Radius: 6.7

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.45 AU - 5.95 AU

Year: 9230 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,431,365 km

• M1: 83,326 km (0.11 R)
• M2: 314,305 km (0.097 R)
• M3: 1,087,277 km (0.05 R)
• M4: 1,562,999 km (0.062 R)
• M5: 1,783,207 km (0.037 R)
• M6: 2,685,880 km (0.061 R)
• M7: 3,505,826 km (0.028 R)
• M8: 3,764,780 km (0.049 R)
• M9: 4,294,805 km (0.098 R)
• M10: 5,018,410 km (0.109 R)
• M11: 5,885,629 km (0.083 R)
• M12: 6,320,660 km (0.1 R)
• M13: 7,368,294 km (0.091 R)
• M14: 8,155,178 km (0.108 R)
• M15: 8,996,816 km (0.087 R)
• M16: 9,260,258 km (0.113 R)
• M17: 9,483,607 km (0.107 R)
• M18: 10,900,898 km (0.069 R)
• M19: 12,346,163 km (0.085 R)
• M20: 13,226,995 km (0.037 R)
• M21: 13,510,632 km (0.111 R)
• M22: 16,971,130 km (0.103 R)
• M23: 20,297,439 km (0.111 R)
• M24: 21,444,256 km (0.081 R)
• M25: 24,712,671 km (0.106 R)
• M26: 26,286,141 km (0.071 R)
• M27: 26,644,727 km (0.051 R)
• M28: 27,925,285 km (0.101 R)
• M29: 31,809,444 km (0.071 R)
• M30: 34,198,372 km (0.075 R)
• M31: 34,411,549 km (0.073 R)
• M32: 34,948,456 km (0.101 R)
• M33: 36,592,836 km (0.076 R)
• M34: 36,927,786 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 5.5

Gravity: 32.45 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.52 AU - 8.02 AU

Year: 13295 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,431,365 km

• M1: 71,657 km (0.04 R)
• M2: 255,214 km (0.109 R)
• M3: 481,705 km (0.034 R)
• M4: 1,310,777 km (0.116 R)
• M5: 1,726,958 km (0.059 R)
• M6: 1,938,489 km (0.089 R)
• M7: 2,167,224 km (0.072 R)
• M8: 2,633,671 km (0.099 R)
• M9: 2,915,064 km (0.093 R)
• M10: 3,593,640 km (0.076 R)
• M11: 3,940,109 km (0.086 R)
• M12: 4,699,767 km (0.029 R)
• M13: 5,078,848 km (0.067 R)
• M14: 5,552,774 km (0.082 R)
• M15: 5,858,851 km (0.092 R)
• M16: 6,338,911 km (0.118 R)
• M17: 10,634,015 km (0.087 R)
• M18: 11,226,423 km (0.07 R)
• M19: 12,029,015 km (0.112 R)
• M20: 12,935,429 km (0.092 R)
• M21: 15,548,754 km (0.078 R)
• M22: 17,258,658 km (0.098 R)
• M23: 20,681,756 km (0.096 R)
• M24: 23,626,889 km (0.109 R)
• M25: 27,935,458 km (0.068 R)
• M26: 28,494,355 km (0.053 R)
• M27: 30,332,614 km (0.092 R)
• M28: 37,930,540 km (0.048 R)
• M29: 39,728,856 km (0.094 R)
• M30: 46,704,156 km (0.109 R)
• M31: 48,768,457 km (0.069 R)
• M32: 49,091,289 km (0.034 R)
• M33: 55,499,912 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.2

Radius: 4.1

Gravity: 57.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.13 AU - 9.67 AU

Year: 18008 Days

Day: 19.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 79,431,365 km

• M1: 53,556 km (0.119 R)
• M2: 521,648 km (0.098 R)
• M3: 657,931 km (0.117 R)
• M4: 1,004,251 km (0.044 R)
• M5: 1,336,507 km (0.075 R)
• M6: 1,630,916 km (0.066 R)
• M7: 2,438,744 km (0.109 R)
• M8: 2,955,904 km (0.112 R)
• M9: 3,911,087 km (0.115 R)
• M10: 5,602,440 km (0.095 R)
• M11: 6,187,817 km (0.049 R)
• M12: 7,430,227 km (0.117 R)
• M13: 8,135,731 km (0.03 R)
• M14: 9,562,595 km (0.105 R)
• M15: 9,914,150 km (0.085 R)
• M16: 10,274,232 km (0.076 R)
• M17: 10,767,756 km (0.106 R)
• M18: 12,003,135 km (0.106 R)
• M19: 12,206,588 km (0.063 R)
• M20: 12,689,939 km (0.068 R)
• M21: 14,597,461 km (0.12 R)
• M22: 15,943,094 km (0.111 R)
• M23: 19,153,165 km (0.079 R)
• M24: 19,617,666 km (0.118 R)
• M25: 19,805,412 km (0.104 R)
• M26: 21,252,622 km (0.083 R)
• M27: 22,460,176 km (0.08 R)
• M28: 23,185,127 km (0.069 R)
• M29: 25,010,670 km (0.078 R)
• M30: 26,128,166 km (0.032 R)
• M31: 27,161,887 km (0.111 R)
• M32: 34,759,664 km (0.078 R)
• M33: 35,868,782 km (0.07 R)
• M34: 38,450,243 km (0.032 R)
• M35: 40,389,630 km (0.052 R)
• M36: 42,080,983 km (0.032 R)
• M37: 47,945,220 km (0.061 R)
• M38: 55,260,556 km (0.115 R)
• M39: 58,499,948 km (0.072 R)
• M40: 61,260,777 km (0.026 R)
• M41: 65,563,062 km (0.085 R)
• M42: 65,772,798 km (0.111 R)
• M43: 74,079,070 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 15,089 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit