🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 12

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.9 AU - 1.06 AU

Year: 658 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 87.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,361,984 km

• M1: 150,047 km (0.074 R)
• M2: 543,639 km (0.079 R)
• M3: 1,189,901 km (0.08 R)
• M4: 1,624,483 km (0.116 R)
• M5: 2,335,971 km (0.051 R)
• M6: 3,362,661 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 11.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.94 AU - 1.46 AU

Year: 892 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,361,984 km

• M1: 139,425 km (0.116 R)
• M2: 511,176 km (0.088 R)
• M3: 1,159,832 km (0.068 R)
• M4: 1,572,124 km (0.096 R)
• M5: 2,308,295 km (0.112 R)
• M6: 2,909,379 km (0.032 R)
• M7: 3,627,150 km (0.025 R)
• M8: 4,067,566 km (0.092 R)
• M9: 4,629,605 km (0.11 R)
• M10: 5,149,308 km (0.086 R)
• M11: 5,549,632 km (0.097 R)
• M12: 6,968,568 km (0.11 R)
• M13: 7,340,468 km (0.066 R)
• M14: 7,973,417 km (0.073 R)
• M15: 8,354,891 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 12.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.13 AU - 2.69 AU

Year: 2538 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,361,984 km

• M1: 182,509 km (0.081 R)
• M2: 653,144 km (0.11 R)
• M3: 1,136,046 km (0.053 R)
• M4: 1,765,554 km (0.04 R)
• M5: 2,370,229 km (0.096 R)
• M6: 2,900,553 km (0.072 R)
• M7: 4,164,655 km (0.111 R)
• M8: 5,376,996 km (0.077 R)
• M9: 5,932,902 km (0.076 R)
• M10: 6,399,947 km (0.107 R)
• M11: 8,186,594 km (0.078 R)
• M12: 8,642,419 km (0.115 R)
• M13: 9,571,571 km (0.103 R)
• M14: 10,250,596 km (0.076 R)
• M15: 11,742,685 km (0.105 R)
• M16: 12,244,735 km (0.047 R)
• M17: 12,680,813 km (0.055 R)
• M18: 14,398,197 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.05 AU - 3.33 AU

Year: 2992 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,361,984 km

• M1: 99,483 km (0.099 R)
• M2: 378,931 km (0.075 R)
• M3: 1,083,986 km (0.085 R)
• M4: 1,414,597 km (0.078 R)
• M5: 1,671,607 km (0.076 R)
• M6: 3,227,724 km (0.05 R)
• M7: 3,733,664 km (0.034 R)
• M8: 4,496,014 km (0.103 R)
• M9: 4,815,555 km (0.094 R)
• M10: 5,596,307 km (0.11 R)
• M11: 5,916,147 km (0.059 R)
• M12: 6,196,344 km (0.113 R)
• M13: 6,646,783 km (0.106 R)
• M14: 6,949,868 km (0.115 R)
• M15: 7,233,207 km (0.099 R)
• M16: 8,192,578 km (0.054 R)
• M17: 9,716,681 km (0.082 R)
• M18: 10,035,624 km (0.092 R)
• M19: 11,188,126 km (0.089 R)
• M20: 12,139,269 km (0.068 R)
• M21: 12,887,258 km (0.08 R)
• M22: 13,315,856 km (0.037 R)
• M23: 14,066,239 km (0.047 R)
• M24: 14,566,644 km (0.09 R)
• M25: 15,506,866 km (0.113 R)
• M26: 16,139,217 km (0.095 R)
• M27: 16,992,074 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606

Radius: 6.2

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.46 AU - 6.34 AU

Year: 9720 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,361,984 km

• M1: 77,342 km (0.107 R)
• M2: 340,036 km (0.107 R)
• M3: 1,485,956 km (0.115 R)
• M4: 2,250,999 km (0.104 R)
• M5: 6,305,849 km (0.119 R)
• M6: 8,337,089 km (0.109 R)
• M7: 14,692,156 km (0.107 R)
• M8: 16,622,268 km (0.089 R)
• M9: 17,901,629 km (0.111 R)
• M10: 18,565,395 km (0.108 R)
• M11: 22,639,843 km (0.105 R)
• M12: 27,080,207 km (0.063 R)
• M13: 29,249,974 km (0.119 R)
• M14: 30,585,135 km (0.061 R)
• M15: 38,722,960 km (0.089 R)
• M16: 39,583,447 km (0.069 R)
• M17: 41,470,475 km (0.108 R)
• M18: 43,284,947 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.7

Radius: 5

Gravity: 29.19 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.24 AU - 7.1 AU

Year: 11684 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 34,361,984 km

• M1: 76,445 km (0.092 R)
• M2: 324,029 km (0.092 R)
• M3: 705,055 km (0.076 R)
• M4: 1,177,934 km (0.071 R)
• M5: 1,541,456 km (0.119 R)
• M6: 1,924,277 km (0.104 R)
• M7: 2,250,999 km (0.11 R)
• M8: 3,038,632 km (0.097 R)
• M9: 4,620,031 km (0.113 R)
• M10: 4,810,020 km (0.095 R)
• M11: 5,376,398 km (0.094 R)
• M12: 5,622,187 km (0.06 R)
• M13: 7,777,444 km (0.119 R)
• M14: 8,794,709 km (0.028 R)
• M15: 9,435,736 km (0.086 R)
• M16: 13,115,245 km (0.113 R)
• M17: 13,625,374 km (0.035 R)
• M18: 13,885,375 km (0.057 R)
• M19: 17,726,899 km (0.052 R)
• M20: 20,647,498 km (0.052 R)
• M21: 22,311,026 km (0.083 R)
• M22: 25,704,205 km (0.12 R)
• M23: 27,214,246 km (0.081 R)
• M24: 31,077,462 km (0.04 R)
• M25: 32,326,903 km (0.042 R)
• M26: 33,256,504 km (0.093 R)
• M27: 35,781,118 km (0.068 R)
• M28: 37,788,273 km (0.118 R)
• M29: 39,869,179 km (0.094 R)
• M30: 42,853,507 km (0.09 R)
• M31: 45,403,403 km (0.107 R)
• M32: 48,052,631 km (0.085 R)
• M33: 49,567,908 km (0.103 R)
• M34: 51,585,235 km (0.074 R)
• M35: 53,173,666 km (0.112 R)
• M36: 53,495,151 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.9

Radius: 3.1

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7 AU - 8.6 AU

Year: 14775 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 34,361,984 km

• M1: 38,746 km (0.12 R)
• M2: 139,874 km (0.06 R)
• M3: 318,195 km (0.05 R)
• M4: 577,747 km (0.106 R)
• M5: 786,735 km (0.087 R)
• M6: 904,170 km (0.048 R)
• M7: 1,012,628 km (0.098 R)
• M8: 1,152,203 km (0.094 R)
• M9: 1,328,878 km (0.079 R)
• M10: 1,842,747 km (0.083 R)
• M11: 2,084,796 km (0.091 R)
• M12: 2,204,773 km (0.118 R)
• M13: 2,439,941 km (0.044 R)
• M14: 2,792,843 km (0.103 R)
• M15: 3,246,124 km (0.055 R)
• M16: 3,454,813 km (0.104 R)
• M17: 3,771,811 km (0.105 R)
• M18: 4,663,414 km (0.058 R)
• M19: 4,780,250 km (0.077 R)
• M20: 5,686,514 km (0.119 R)
• M21: 7,349,743 km (0.098 R)
• M22: 8,506,584 km (0.09 R)
• M23: 10,361,597 km (0.089 R)
• M24: 10,711,806 km (0.098 R)
• M25: 11,595,032 km (0.07 R)
• M26: 12,980,458 km (0.105 R)
• M27: 14,721,178 km (0.051 R)
• M28: 18,148,914 km (0.078 R)
• M29: 18,952,105 km (0.117 R)
• M30: 22,902,836 km (0.101 R)
• M31: 24,713,867 km (0.104 R)
• M32: 25,338,139 km (0.099 R)
• M33: 27,558,321 km (0.114 R)
• M34: 29,108,454 km (0.119 R)
• M35: 32,275,142 km (0.054 R)
• M36: 34,325,381 km (0.089 R)
• M37: 37,971,530 km (0.079 R)
• M38: 40,746,122 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.8

Radius: 8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.44 AU - 9.34 AU

Year: 15032 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,361,984 km

• M1: 99,632 km (0.074 R)
• M2: 400,623 km (0.074 R)
• M3: 860,487 km (0.071 R)
• M4: 2,226,764 km (0.099 R)
• M5: 8,721,107 km (0.026 R)
• M6: 10,576,869 km (0.097 R)
• M7: 12,045,621 km (0.098 R)
• M8: 15,182,688 km (0.042 R)
• M9: 15,651,976 km (0.043 R)
• M10: 16,339,079 km (0.073 R)
• M11: 20,079,026 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.7

Radius: 3.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.93 AU - 9.11 AU

Year: 16867 Days

Day: 23 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,361,984 km

• M1: 45,627 km (0.107 R)
• M2: 165,306 km (0.107 R)
• M3: 410,197 km (0.082 R)
• M4: 839,244 km (0.078 R)
• M5: 1,117,346 km (0.119 R)
• M6: 2,143,737 km (0.109 R)
• M7: 4,925,959 km (0.089 R)
• M8: 5,358,895 km (0.079 R)
• M9: 6,705,874 km (0.093 R)
• M10: 8,184,051 km (0.097 R)
• M11: 8,914,836 km (0.109 R)
• M12: 10,692,957 km (0.034 R)
• M13: 13,230,884 km (0.093 R)
• M14: 13,671,001 km (0.093 R)
• M15: 14,638,451 km (0.116 R)
• M16: 17,222,754 km (0.093 R)
• M17: 18,690,608 km (0.051 R)
• M18: 19,174,557 km (0.036 R)
• M19: 21,493,923 km (0.031 R)
• M20: 23,034,631 km (0.087 R)
• M21: 23,751,355 km (0.1 R)
• M22: 24,895,629 km (0.059 R)
• M23: 26,420,181 km (0.119 R)
• M24: 26,593,265 km (0.09 R)
• M25: 32,940,703 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit