🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 8.8

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.61 AU - 0.81 AU

Year: 413 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,103,436 km

• M1: 110,553 km (0.105 R)
• M2: 409,150 km (0.12 R)
• M3: 698,472 km (0.1 R)
• M4: 1,104,631 km (0.064 R)
• M5: 1,433,447 km (0.111 R)
• M6: 1,866,233 km (0.108 R)
• M7: 2,152,564 km (0.037 R)
• M8: 2,506,512 km (0.116 R)
• M9: 2,836,226 km (0.118 R)
• M10: 3,546,816 km (0.089 R)
• M11: 4,096,738 km (0.113 R)
• M12: 4,413,586 km (0.097 R)
• M13: 5,019,158 km (0.091 R)
• M14: 5,712,544 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.2

Radius: 12.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.76 AU

Year: 1193 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,103,436 km

• M1: 156,779 km (0.083 R)
• M2: 826,977 km (0.062 R)
• M3: 1,858,454 km (0.041 R)
• M4: 2,395,212 km (0.104 R)
• M5: 3,311,050 km (0.083 R)
• M6: 5,171,150 km (0.091 R)
• M7: 5,707,458 km (0.077 R)
• M8: 6,115,561 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 9.7

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.74 AU - 1.8 AU

Year: 1625 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,103,436 km

• M1: 120,576 km (0.081 R)
• M2: 487,839 km (0.113 R)
• M3: 858,692 km (0.119 R)
• M4: 1,705,565 km (0.058 R)
• M5: 2,029,894 km (0.098 R)
• M6: 2,935,858 km (0.066 R)
• M7: 3,809,659 km (0.05 R)
• M8: 4,933,439 km (0.086 R)
• M9: 5,867,976 km (0.112 R)
• M10: 6,305,849 km (0.116 R)
• M11: 6,786,807 km (0.053 R)
• M12: 7,496,499 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 10.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.03 AU - 2.41 AU

Year: 2283 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 118 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,103,436 km

• M1: 136,134 km (0.071 R)
• M2: 556,205 km (0.108 R)
• M3: 1,087,277 km (0.067 R)
• M4: 2,659,551 km (0.049 R)
• M5: 3,692,375 km (0.085 R)
• M6: 4,517,706 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 12.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.88 AU - 3.1 AU

Year: 2712 Days

Day: 7.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,103,436 km

• M1: 153,039 km (0.118 R)
• M2: 798,703 km (0.11 R)
• M3: 1,201,570 km (0.088 R)
• M4: 1,821,803 km (0.116 R)
• M5: 2,272,541 km (0.077 R)
• M6: 3,880,419 km (0.048 R)
• M7: 5,709,852 km (0.079 R)
• M8: 6,332,478 km (0.093 R)
• M9: 6,744,321 km (0.061 R)
• M10: 7,931,081 km (0.068 R)
• M11: 9,856,555 km (0.078 R)
• M12: 10,562,657 km (0.055 R)
• M13: 10,986,767 km (0.072 R)
• M14: 12,841,332 km (0.088 R)
• M15: 14,992,699 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 9.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.7 AU - 3.24 AU

Year: 3533 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,103,436 km

• M1: 126,261 km (0.11 R)
• M2: 435,180 km (0.078 R)
• M3: 777,311 km (0.119 R)
• M4: 1,870,273 km (0.109 R)
• M5: 2,529,251 km (0.053 R)
• M6: 3,208,276 km (0.054 R)
• M7: 3,659,463 km (0.119 R)
• M8: 4,088,659 km (0.113 R)
• M9: 4,643,069 km (0.114 R)
• M10: 5,146,915 km (0.097 R)
• M11: 5,450,898 km (0.088 R)
• M12: 5,766,998 km (0.042 R)
• M13: 6,552,536 km (0.075 R)
• M14: 6,880,006 km (0.056 R)
• M15: 7,665,245 km (0.099 R)
• M16: 8,198,412 km (0.085 R)
• M17: 9,227,645 km (0.054 R)
• M18: 10,380,746 km (0.108 R)
• M19: 11,800,878 km (0.057 R)
• M20: 12,557,544 km (0.104 R)
• M21: 12,971,033 km (0.065 R)
• M22: 17,280,798 km (0.113 R)
• M23: 18,966,467 km (0.109 R)
• M24: 20,316,588 km (0.076 R)
• M25: 20,950,883 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 11.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.53 AU - 3.87 AU

Year: 3951 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,103,436 km

• M1: 139,425 km (0.111 R)
• M2: 572,661 km (0.069 R)
• M3: 971,489 km (0.08 R)
• M4: 1,595,910 km (0.073 R)
• M5: 2,441,886 km (0.089 R)
• M6: 3,188,679 km (0.081 R)
• M7: 3,564,618 km (0.113 R)
• M8: 4,773,369 km (0.104 R)
• M9: 5,940,531 km (0.078 R)
• M10: 6,451,259 km (0.071 R)
• M11: 7,699,354 km (0.094 R)
• M12: 8,089,206 km (0.109 R)
• M13: 9,538,211 km (0.107 R)
• M14: 10,799,171 km (0.118 R)
• M15: 11,243,327 km (0.105 R)
• M16: 11,885,551 km (0.047 R)
• M17: 12,263,435 km (0.115 R)
• M18: 14,487,207 km (0.053 R)
• M19: 15,638,213 km (0.108 R)
• M20: 18,121,538 km (0.117 R)
• M21: 20,652,884 km (0.056 R)
• M22: 22,537,817 km (0.114 R)
• M23: 26,326,832 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 13.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.77 AU - 6.24 AU

Year: 7717 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,103,436 km

• M1: 172,935 km (0.115 R)
• M2: 734,376 km (0.088 R)
• M3: 1,459,028 km (0.078 R)
• M4: 4,341,330 km (0.112 R)
• M5: 4,898,582 km (0.105 R)
• M6: 6,035,227 km (0.105 R)
• M7: 7,306,210 km (0.097 R)
• M8: 10,024,853 km (0.088 R)
• M9: 10,506,408 km (0.071 R)
• M10: 12,191,628 km (0.095 R)
• M11: 12,996,016 km (0.061 R)
• M12: 16,572,003 km (0.117 R)
• M13: 17,559,349 km (0.074 R)
• M14: 24,799,138 km (0.036 R)
• M15: 26,503,357 km (0.073 R)
• M16: 29,604,820 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.6

Radius: 3.9

Gravity: 31.47 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.4 AU - 8.16 AU

Year: 13558 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,103,436 km

• M1: 60,288 km (0.057 R)
• M2: 610,359 km (0.107 R)
• M3: 1,107,623 km (0.07 R)
• M4: 1,936,245 km (0.105 R)
• M5: 2,995,997 km (0.094 R)
• M6: 4,919,676 km (0.071 R)
• M7: 5,115,350 km (0.032 R)
• M8: 5,627,274 km (0.079 R)
• M9: 6,633,768 km (0.109 R)
• M10: 11,180,346 km (0.093 R)
• M11: 11,461,890 km (0.105 R)
• M12: 11,690,475 km (0.093 R)
• M13: 13,251,529 km (0.1 R)
• M14: 13,377,042 km (0.109 R)
• M15: 22,362,488 km (0.051 R)
• M16: 26,501,263 km (0.105 R)
• M17: 31,455,944 km (0.081 R)
• M18: 36,622,008 km (0.095 R)
• M19: 38,250,081 km (0.071 R)
• M20: 43,699,782 km (0.103 R)
• M21: 49,795,895 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit