🌌 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: 637.4

Radius: 9.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,265,491 km

• M1: 119,379 km (0.078 R)
• M2: 458,817 km (0.094 R)
• M3: 1,003,652 km (0.096 R)
• M4: 1,526,945 km (0.061 R)
• M5: 2,056,522 km (0.078 R)
• M6: 2,512,047 km (0.096 R)
• M7: 2,855,674 km (0.07 R)
• M8: 3,413,075 km (0.073 R)
• M9: 4,349,109 km (0.119 R)
• M10: 4,759,606 km (0.063 R)
• M11: 5,134,049 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 9.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.59 AU - 0.93 AU

Year: 442 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,265,491 km

• M1: 117,135 km (0.053 R)
• M2: 431,291 km (0.119 R)
• M3: 829,371 km (0.117 R)
• M4: 1,419,833 km (0.113 R)
• M5: 1,968,110 km (0.103 R)
• M6: 2,341,356 km (0.084 R)
• M7: 2,651,921 km (0.065 R)
• M8: 2,947,676 km (0.075 R)
• M9: 3,254,202 km (0.066 R)
• M10: 3,817,289 km (0.079 R)
• M11: 4,263,988 km (0.114 R)
• M12: 5,122,081 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 12.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.97 AU - 1.39 AU

Year: 855 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,265,491 km

• M1: 156,629 km (0.103 R)
• M2: 556,205 km (0.045 R)
• M3: 1,250,489 km (0.081 R)
• M4: 1,670,559 km (0.111 R)
• M5: 2,550,344 km (0.041 R)
• M6: 2,966,675 km (0.071 R)
• M7: 3,506,125 km (0.094 R)
• M8: 4,499,455 km (0.106 R)
• M9: 5,636,100 km (0.028 R)
• M10: 6,668,175 km (0.053 R)
• M11: 7,165,588 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 12.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.25 AU - 1.25 AU

Year: 932 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,265,491 km

• M1: 154,235 km (0.11 R)
• M2: 847,472 km (0.082 R)
• M3: 1,546,094 km (0.076 R)
• M4: 2,074,474 km (0.117 R)
• M5: 2,594,027 km (0.111 R)
• M6: 3,256,297 km (0.043 R)
• M7: 4,859,388 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.5

Radius: 8.1

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.18 AU - 1.4 AU

Year: 977 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,265,491 km

• M1: 100,829 km (0.089 R)
• M2: 389,852 km (0.118 R)
• M3: 662,120 km (0.07 R)
• M4: 1,042,697 km (0.056 R)
• M5: 1,733,690 km (0.106 R)
• M6: 1,990,549 km (0.095 R)
• M7: 2,759,632 km (0.043 R)
• M8: 3,073,488 km (0.057 R)
• M9: 3,410,981 km (0.086 R)
• M10: 4,591,757 km (0.1 R)
• M11: 4,925,360 km (0.114 R)
• M12: 5,820,853 km (0.082 R)
• M13: 6,128,277 km (0.039 R)
• M14: 7,232,309 km (0.09 R)
• M15: 7,709,227 km (0.086 R)
• M16: 8,437,769 km (0.111 R)
• M17: 8,858,887 km (0.074 R)
• M18: 9,349,418 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 10.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.92 AU - 3.66 AU

Year: 3979 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,265,491 km

• M1: 220,208 km (0.09 R)
• M2: 671,545 km (0.077 R)
• M3: 1,478,625 km (0.104 R)
• M4: 2,235,591 km (0.104 R)
• M5: 2,665,535 km (0.064 R)
• M6: 5,175,338 km (0.116 R)
• M7: 6,141,142 km (0.111 R)
• M8: 6,515,885 km (0.106 R)
• M9: 7,763,531 km (0.067 R)
• M10: 8,266,330 km (0.102 R)
• M11: 11,113,626 km (0.113 R)
• M12: 16,780,094 km (0.093 R)
• M13: 17,250,130 km (0.111 R)
• M14: 17,621,732 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.6

Radius: 3.3

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.57 AU - 8.71 AU

Year: 14082 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 36,265,491 km

• M1: 44,281 km (0.06 R)
• M2: 160,818 km (0.057 R)
• M3: 357,689 km (0.11 R)
• M4: 554,410 km (0.048 R)
• M5: 677,678 km (0.083 R)
• M6: 794,365 km (0.103 R)
• M7: 999,613 km (0.101 R)
• M8: 1,141,282 km (0.089 R)
• M9: 1,554,621 km (0.066 R)
• M10: 3,190,324 km (0.088 R)
• M11: 4,355,243 km (0.119 R)
• M12: 5,808,736 km (0.105 R)
• M13: 6,133,812 km (0.108 R)
• M14: 6,471,005 km (0.112 R)
• M15: 6,679,246 km (0.083 R)
• M16: 7,367,845 km (0.108 R)
• M17: 7,748,721 km (0.031 R)
• M18: 9,055,758 km (0.077 R)
• M19: 10,790,345 km (0.075 R)
• M20: 11,531,901 km (0.041 R)
• M21: 13,393,497 km (0.091 R)
• M22: 15,630,883 km (0.067 R)
• M23: 15,942,645 km (0.065 R)
• M24: 18,937,894 km (0.113 R)
• M25: 21,588,170 km (0.074 R)
• M26: 23,242,872 km (0.077 R)
• M27: 23,404,886 km (0.115 R)
• M28: 26,098,097 km (0.098 R)
• M29: 27,248,803 km (0.118 R)
• M30: 27,700,290 km (0.045 R)
• M31: 29,556,051 km (0.113 R)
• M32: 30,417,436 km (0.117 R)
• M33: 30,611,165 km (0.098 R)
• M34: 32,391,529 km (0.103 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: 274 - 13,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit