🌌 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: 489.9

Radius: 9

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.52 AU - 0.86 AU

Year: 389 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,956,623 km

• M1: 111,899 km (0.116 R)
• M2: 450,589 km (0.091 R)
• M3: 753,375 km (0.094 R)
• M4: 1,069,326 km (0.038 R)
• M5: 1,438,234 km (0.082 R)
• M6: 1,825,244 km (0.103 R)
• M7: 2,446,224 km (0.088 R)
• M8: 3,127,044 km (0.033 R)
• M9: 3,410,233 km (0.074 R)
• M10: 3,758,347 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 13.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.65 AU - 0.99 AU

Year: 504 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,956,623 km

• M1: 169,195 km (0.104 R)
• M2: 762,500 km (0.101 R)
• M3: 1,205,759 km (0.109 R)
• M4: 1,898,098 km (0.035 R)
• M5: 2,963,384 km (0.07 R)
• M6: 3,821,627 km (0.098 R)
• M7: 4,295,703 km (0.114 R)
• M8: 5,120,735 km (0.09 R)
• M9: 5,995,733 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 10.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.79 AU - 0.99 AU

Year: 569 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,956,623 km

• M1: 130,599 km (0.051 R)
• M2: 568,023 km (0.102 R)
• M3: 1,287,290 km (0.093 R)
• M4: 1,766,152 km (0.077 R)
• M5: 2,127,431 km (0.104 R)
• M6: 2,549,148 km (0.079 R)
• M7: 2,978,344 km (0.031 R)
• M8: 3,376,873 km (0.104 R)
• M9: 3,882,065 km (0.071 R)
• M10: 4,297,498 km (0.117 R)
• M11: 5,200,471 km (0.106 R)
• M12: 5,800,209 km (0.086 R)
• M13: 6,526,955 km (0.065 R)
• M14: 6,901,847 km (0.055 R)
• M15: 7,446,533 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 13.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.32 AU - 1.72 AU

Year: 1271 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,956,623 km

• M1: 170,392 km (0.096 R)
• M2: 755,918 km (0.062 R)
• M3: 1,204,712 km (0.042 R)
• M4: 1,643,033 km (0.081 R)
• M5: 3,551,154 km (0.105 R)
• M6: 4,072,952 km (0.074 R)
• M7: 5,292,773 km (0.089 R)
• M8: 5,888,172 km (0.099 R)
• M9: 6,480,729 km (0.104 R)
• M10: 7,138,062 km (0.105 R)
• M11: 7,574,439 km (0.078 R)
• M12: 9,502,307 km (0.093 R)
• M13: 10,223,070 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 13.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.12 AU - 5.42 AU

Year: 7066 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,956,623 km

• M1: 194,627 km (0.107 R)
• M2: 675,734 km (0.076 R)
• M3: 1,212,790 km (0.076 R)
• M4: 1,999,525 km (0.059 R)
• M5: 3,209,323 km (0.108 R)
• M6: 3,797,392 km (0.107 R)
• M7: 4,370,502 km (0.1 R)
• M8: 4,953,784 km (0.112 R)
• M9: 5,691,152 km (0.107 R)
• M10: 6,168,070 km (0.115 R)
• M11: 7,354,979 km (0.113 R)
• M12: 8,416,825 km (0.094 R)
• M13: 8,932,190 km (0.028 R)
• M14: 10,140,492 km (0.058 R)
• M15: 12,175,322 km (0.107 R)
• M16: 15,110,582 km (0.089 R)
• M17: 17,257,012 km (0.113 R)
• M18: 18,147,418 km (0.078 R)
• M19: 18,661,586 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757

Radius: 7.4

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.12 AU - 7.1 AU

Year: 11526 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,956,623 km

• M1: 92,003 km (0.079 R)
• M2: 520,601 km (0.12 R)
• M3: 2,344,797 km (0.074 R)
• M4: 2,869,287 km (0.049 R)
• M5: 3,443,893 km (0.078 R)
• M6: 4,476,866 km (0.081 R)
• M7: 6,335,171 km (0.119 R)
• M8: 7,013,597 km (0.095 R)
• M9: 9,190,096 km (0.099 R)
• M10: 12,255,656 km (0.082 R)
• M11: 12,928,996 km (0.105 R)
• M12: 13,243,152 km (0.103 R)
• M13: 13,756,272 km (0.098 R)
• M14: 14,550,786 km (0.095 R)
• M15: 16,014,153 km (0.099 R)
• M16: 16,818,690 km (0.11 R)
• M17: 24,728,528 km (0.11 R)
• M18: 25,901,525 km (0.084 R)
• M19: 27,834,030 km (0.079 R)
• M20: 30,853,962 km (0.104 R)
• M21: 31,528,350 km (0.102 R)
• M22: 33,610,602 km (0.056 R)
• M23: 46,281,841 km (0.112 R)
• M24: 50,501,249 km (0.12 R)
• M25: 51,437,732 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.8

Radius: 4.3

Gravity: 43.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.56 AU - 9.52 AU

Year: 15462 Days

Day: 23.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,956,623 km

• M1: 53,406 km (0.106 R)
• M2: 295,456 km (0.051 R)
• M3: 495,169 km (0.117 R)
• M4: 792,570 km (0.065 R)
• M5: 964,158 km (0.046 R)
• M6: 2,827,400 km (0.117 R)
• M7: 3,730,971 km (0.111 R)
• M8: 4,216,566 km (0.078 R)
• M9: 5,349,620 km (0.12 R)
• M10: 7,111,584 km (0.077 R)
• M11: 7,292,896 km (0.09 R)
• M12: 8,650,198 km (0.039 R)
• M13: 9,066,828 km (0.049 R)
• M14: 11,292,096 km (0.102 R)
• M15: 11,789,659 km (0.098 R)
• M16: 13,097,443 km (0.029 R)
• M17: 14,644,285 km (0.106 R)
• M18: 15,012,146 km (0.085 R)
• M19: 18,776,178 km (0.116 R)
• M20: 19,210,162 km (0.08 R)
• M21: 21,013,564 km (0.091 R)
• M22: 24,230,367 km (0.032 R)
• M23: 24,952,626 km (0.1 R)
• M24: 29,589,412 km (0.104 R)
• M25: 33,484,940 km (0.105 R)
• M26: 34,380,433 km (0.084 R)
• M27: 35,029,688 km (0.075 R)
• M28: 41,684,250 km (0.096 R)
• M29: 42,869,364 km (0.088 R)
• M30: 46,559,345 km (0.09 R)
• M31: 49,461,843 km (0.051 R)
• M32: 55,624,079 km (0.069 R)
• M33: 59,258,858 km (0.109 R)
• M34: 60,944,976 km (0.111 R)
• M35: 61,895,521 km (0.077 R)
• M36: 65,398,804 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.3

Radius: 4.8

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.65 AU - 10.85 AU

Year: 22258 Days

Day: 15.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,956,623 km

• M1: 59,690 km (0.099 R)
• M2: 276,307 km (0.092 R)
• M3: 609,462 km (0.081 R)
• M4: 865,573 km (0.111 R)
• M5: 1,139,786 km (0.096 R)
• M6: 1,325,437 km (0.115 R)
• M7: 1,757,925 km (0.042 R)
• M8: 1,915,451 km (0.116 R)
• M9: 2,159,595 km (0.07 R)
• M10: 3,018,735 km (0.089 R)
• M11: 3,350,095 km (0.045 R)
• M12: 5,060,447 km (0.108 R)
• M13: 6,023,558 km (0.112 R)
• M14: 6,548,198 km (0.066 R)
• M15: 8,016,501 km (0.11 R)
• M16: 8,600,830 km (0.117 R)
• M17: 8,954,629 km (0.073 R)
• M18: 10,074,220 km (0.117 R)
• M19: 12,205,092 km (0.058 R)
• M20: 12,977,466 km (0.109 R)
• M21: 18,807,893 km (0.116 R)
• M22: 25,238,358 km (0.088 R)
• M23: 27,779,128 km (0.118 R)
• M24: 29,450,734 km (0.108 R)
• M25: 30,137,688 km (0.118 R)
• M26: 30,369,116 km (0.093 R)
• M27: 35,634,811 km (0.092 R)
• M28: 36,283,916 km (0.081 R)
• M29: 40,908,884 km (0.099 R)
• M30: 42,485,346 km (0.064 R)
• M31: 47,300,902 km (0.107 R)
• M32: 49,036,836 km (0.067 R)
• M33: 51,636,847 km (0.032 R)
• M34: 53,138,959 km (0.056 R)
• M35: 54,156,374 km (0.109 R)
• M36: 57,109,735 km (0.048 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit