🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 9.5

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,510,059 km

• M1: 120,277 km (0.049 R)
• M2: 866,471 km (0.087 R)
• M3: 1,174,194 km (0.11 R)
• M4: 1,887,028 km (0.111 R)
• M5: 2,371,575 km (0.111 R)
• M6: 2,752,750 km (0.066 R)
• M7: 3,130,635 km (0.069 R)
• M8: 3,615,182 km (0.061 R)
• M9: 4,175,725 km (0.076 R)
• M10: 5,201,518 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 14.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.91 AU - 1.15 AU

Year: 697 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,510,059 km

• M1: 180,265 km (0.097 R)
• M2: 641,625 km (0.111 R)
• M3: 1,131,558 km (0.098 R)
• M4: 1,592,469 km (0.038 R)
• M5: 2,079,261 km (0.074 R)
• M6: 2,941,543 km (0.113 R)
• M7: 4,540,894 km (0.119 R)
• M8: 5,765,352 km (0.098 R)
• M9: 6,394,112 km (0.062 R)
• M10: 6,938,349 km (0.025 R)
• M11: 7,445,486 km (0.119 R)
• M12: 7,906,696 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 9.1

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.77 AU - 2.07 AU

Year: 1774 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,510,059 km

• M1: 130,001 km (0.076 R)
• M2: 415,882 km (0.068 R)
• M3: 820,993 km (0.072 R)
• M4: 1,134,700 km (0.098 R)
• M5: 1,700,629 km (0.118 R)
• M6: 2,234,394 km (0.084 R)
• M7: 4,256,209 km (0.104 R)
• M8: 4,781,597 km (0.115 R)
• M9: 5,284,395 km (0.096 R)
• M10: 5,775,824 km (0.081 R)
• M11: 7,059,224 km (0.101 R)
• M12: 7,435,014 km (0.114 R)
• M13: 8,197,814 km (0.063 R)
• M14: 8,949,543 km (0.099 R)
• M15: 9,583,539 km (0.119 R)
• M16: 9,944,818 km (0.088 R)
• M17: 10,452,104 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 14.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.31 AU - 5.33 AU

Year: 7057 Days

Day: 8.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,510,059 km

• M1: 182,061 km (0.076 R)
• M2: 658,231 km (0.105 R)
• M3: 1,251,536 km (0.048 R)
• M4: 1,750,295 km (0.08 R)
• M5: 3,418,611 km (0.098 R)
• M6: 5,170,850 km (0.102 R)
• M7: 5,793,776 km (0.067 R)
• M8: 6,466,518 km (0.117 R)
• M9: 8,649,898 km (0.079 R)
• M10: 9,337,151 km (0.089 R)
• M11: 10,128,075 km (0.12 R)
• M12: 10,714,947 km (0.073 R)
• M13: 13,830,174 km (0.1 R)
• M14: 14,467,161 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 14.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.13 AU - 6.13 AU

Year: 7748 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,510,059 km

• M1: 184,454 km (0.077 R)
• M2: 901,926 km (0.105 R)
• M3: 1,636,302 km (0.099 R)
• M4: 2,121,148 km (0.068 R)
• M5: 2,607,042 km (0.08 R)
• M6: 3,686,840 km (0.093 R)
• M7: 5,382,681 km (0.059 R)
• M8: 7,387,741 km (0.074 R)
• M9: 9,114,250 km (0.097 R)
• M10: 9,732,538 km (0.074 R)
• M11: 10,296,373 km (0.117 R)
• M12: 12,397,624 km (0.107 R)
• M13: 17,552,019 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.3

Radius: 5.3

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.3 AU - 9.44 AU

Year: 19127 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,510,059 km

• M1: 66,272 km (0.118 R)
• M2: 276,606 km (0.103 R)
• M3: 619,784 km (0.098 R)
• M4: 939,923 km (0.111 R)
• M5: 1,322,445 km (0.102 R)
• M6: 2,789,402 km (0.117 R)
• M7: 3,028,160 km (0.065 R)
• M8: 3,798,589 km (0.081 R)
• M9: 4,659,375 km (0.097 R)
• M10: 4,825,728 km (0.076 R)
• M11: 5,531,531 km (0.084 R)
• M12: 8,349,207 km (0.032 R)
• M13: 11,268,759 km (0.117 R)
• M14: 16,130,241 km (0.091 R)
• M15: 21,028,524 km (0.114 R)
• M16: 26,094,656 km (0.05 R)
• M17: 36,944,840 km (0.108 R)
• M18: 39,645,530 km (0.108 R)
• M19: 43,056,511 km (0.118 R)
• M20: 44,533,790 km (0.107 R)
• M21: 45,891,840 km (0.079 R)
• M22: 49,008,262 km (0.097 R)
• M23: 49,647,943 km (0.111 R)
• M24: 54,453,775 km (0.094 R)
• M25: 54,796,204 km (0.096 R)
• M26: 55,832,020 km (0.109 R)
• M27: 56,529,894 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 11,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit