🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 9.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.75 AU - 1.15 AU

Year: 598 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,329,294 km

• M1: 123,568 km (0.115 R)
• M2: 450,738 km (0.109 R)
• M3: 792,121 km (0.077 R)
• M4: 1,228,947 km (0.062 R)
• M5: 1,679,236 km (0.104 R)
• M6: 2,292,288 km (0.066 R)
• M7: 2,882,751 km (0.118 R)
• M8: 3,374,778 km (0.079 R)
• M9: 4,016,553 km (0.119 R)
• M10: 4,410,295 km (0.112 R)
• M11: 5,226,650 km (0.111 R)
• M12: 5,559,805 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 14.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.91 AU - 1.99 AU

Year: 1758 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,329,294 km

• M1: 185,801 km (0.119 R)
• M2: 931,696 km (0.112 R)
• M3: 4,939,871 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 12.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.72 AU - 2.22 AU

Year: 1785 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,329,294 km

• M1: 157,078 km (0.055 R)
• M2: 635,342 km (0.061 R)
• M3: 1,031,477 km (0.058 R)
• M4: 1,434,195 km (0.111 R)
• M5: 2,177,247 km (0.107 R)
• M6: 2,815,432 km (0.096 R)
• M7: 3,259,438 km (0.04 R)
• M8: 4,004,735 km (0.084 R)
• M9: 4,528,776 km (0.043 R)
• M10: 5,298,757 km (0.075 R)
• M11: 6,356,264 km (0.08 R)
• M12: 7,463,737 km (0.068 R)
• M13: 8,078,883 km (0.118 R)
• M14: 8,538,897 km (0.102 R)
• M15: 9,410,903 km (0.079 R)
• M16: 10,270,343 km (0.102 R)
• M17: 11,106,744 km (0.077 R)
• M18: 11,637,667 km (0.05 R)
• M19: 12,265,230 km (0.061 R)
• M20: 13,333,060 km (0.071 R)
• M21: 14,821,708 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 12.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2 AU - 2 AU

Year: 1826 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,329,294 km

• M1: 150,645 km (0.068 R)
• M2: 529,427 km (0.096 R)
• M3: 912,697 km (0.095 R)
• M4: 1,511,836 km (0.113 R)
• M5: 2,056,522 km (0.109 R)
• M6: 2,603,601 km (0.072 R)
• M7: 3,010,807 km (0.119 R)
• M8: 3,563,122 km (0.091 R)
• M9: 4,377,533 km (0.069 R)
• M10: 4,786,982 km (0.092 R)
• M11: 5,380,587 km (0.085 R)
• M12: 6,072,327 km (0.112 R)
• M13: 7,150,479 km (0.107 R)
• M14: 7,897,870 km (0.049 R)
• M15: 8,507,631 km (0.084 R)
• M16: 9,214,331 km (0.1 R)
• M17: 9,959,927 km (0.043 R)
• M18: 10,599,458 km (0.107 R)
• M19: 12,972,529 km (0.09 R)
• M20: 14,890,673 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 14.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.52 AU - 4.3 AU

Year: 4992 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,329,294 km

• M1: 181,911 km (0.079 R)
• M2: 647,609 km (0.102 R)
• M3: 1,185,862 km (0.089 R)
• M4: 1,917,097 km (0.032 R)
• M5: 4,270,570 km (0.038 R)
• M6: 6,133,961 km (0.114 R)
• M7: 6,624,194 km (0.092 R)
• M8: 9,060,694 km (0.035 R)
• M9: 11,994,757 km (0.089 R)
• M10: 12,870,054 km (0.086 R)
• M11: 13,622,532 km (0.072 R)
• M12: 17,185,055 km (0.092 R)
• M13: 18,634,210 km (0.091 R)
• M14: 22,305,192 km (0.055 R)
• M15: 22,766,702 km (0.04 R)
• M16: 26,092,561 km (0.114 R)
• M17: 27,562,211 km (0.084 R)
• M18: 28,272,502 km (0.07 R)
• M19: 28,904,104 km (0.089 R)
• M20: 30,008,734 km (0.106 R)
• M21: 31,525,058 km (0.064 R)
• M22: 32,302,070 km (0.067 R)
• M23: 33,191,579 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 11.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.58 AU - 4.76 AU

Year: 5498 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,329,294 km

• M1: 138,079 km (0.039 R)
• M2: 521,498 km (0.084 R)
• M3: 927,806 km (0.063 R)
• M4: 1,588,281 km (0.084 R)
• M5: 1,995,336 km (0.086 R)
• M6: 2,611,829 km (0.112 R)
• M7: 3,635,079 km (0.055 R)
• M8: 4,907,409 km (0.111 R)
• M9: 5,721,819 km (0.071 R)
• M10: 6,226,263 km (0.115 R)
• M11: 6,657,853 km (0.1 R)
• M12: 7,144,794 km (0.082 R)
• M13: 8,997,863 km (0.095 R)
• M14: 9,464,160 km (0.113 R)
• M15: 10,491,149 km (0.1 R)
• M16: 14,704,274 km (0.097 R)
• M17: 16,894,985 km (0.109 R)
• M18: 18,135,002 km (0.097 R)
• M19: 19,434,708 km (0.066 R)
• M20: 21,461,759 km (0.119 R)
• M21: 21,837,998 km (0.094 R)
• M22: 22,372,212 km (0.096 R)
• M23: 22,837,013 km (0.11 R)
• M24: 25,091,901 km (0.096 R)
• M25: 27,935,458 km (0.096 R)
• M26: 32,841,669 km (0.119 R)
• M27: 33,341,625 km (0.102 R)
• M28: 34,050,271 km (0.112 R)

Asteroid Belt

Center: 6.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.3

Radius: 3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9 AU - 9.98 AU

Year: 18876 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,329,294 km

• M1: 82,877 km (0.083 R)
• M2: 628,461 km (0.105 R)
• M3: 1,339,649 km (0.103 R)
• M4: 1,637,199 km (0.075 R)
• M5: 2,188,617 km (0.077 R)
• M6: 3,573,444 km (0.074 R)
• M7: 4,193,228 km (0.118 R)
• M8: 4,460,111 km (0.078 R)
• M9: 5,176,834 km (0.057 R)
• M10: 9,475,978 km (0.12 R)
• M11: 10,847,192 km (0.116 R)
• M12: 11,096,272 km (0.087 R)
• M13: 14,629,475 km (0.094 R)
• M14: 18,278,765 km (0.106 R)
• M15: 18,845,143 km (0.093 R)
• M16: 28,988,327 km (0.072 R)
• M17: 36,743,481 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 17,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit