🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 11.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.59 AU - 0.95 AU

Year: 475 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,152,610 km

• M1: 145,708 km (0.055 R)
• M2: 540,348 km (0.088 R)
• M3: 905,815 km (0.1 R)
• M4: 1,447,060 km (0.111 R)
• M5: 1,875,359 km (0.09 R)
• M6: 2,847,895 km (0.1 R)
• M7: 3,504,929 km (0.089 R)
• M8: 3,974,067 km (0.044 R)
• M9: 4,379,178 km (0.102 R)
• M10: 5,585,536 km (0.099 R)
• M11: 6,247,357 km (0.092 R)
• M12: 6,981,134 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.94 AU - 1.18 AU

Year: 767 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,152,610 km

• M1: 169,794 km (0.085 R)
• M2: 571,314 km (0.041 R)
• M3: 1,222,215 km (0.106 R)
• M4: 1,757,326 km (0.103 R)
• M5: 2,904,443 km (0.117 R)
• M6: 3,888,497 km (0.074 R)
• M7: 4,393,091 km (0.112 R)
• M8: 4,855,049 km (0.115 R)
• M9: 5,533,326 km (0.098 R)
• M10: 6,072,477 km (0.075 R)
• M11: 6,688,670 km (0.036 R)
• M12: 7,783,876 km (0.108 R)
• M13: 8,288,320 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.1

Radius: 10.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.18 AU - 1.38 AU

Year: 1018 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,152,610 km

• M1: 332,706 km (0.114 R)
• M2: 738,714 km (0.034 R)
• M3: 1,290,581 km (0.032 R)
• M4: 2,343,750 km (0.077 R)
• M5: 2,672,117 km (0.098 R)
• M6: 3,849,303 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 8.2

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.1 AU - 3.14 AU

Year: 2981 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,152,610 km

• M1: 102,325 km (0.051 R)
• M2: 391,797 km (0.072 R)
• M3: 673,639 km (0.103 R)
• M4: 1,056,311 km (0.084 R)
• M5: 1,398,142 km (0.079 R)
• M6: 1,993,691 km (0.111 R)
• M7: 2,267,305 km (0.028 R)
• M8: 2,858,965 km (0.073 R)
• M9: 3,568,208 km (0.059 R)
• M10: 4,262,193 km (0.078 R)
• M11: 4,675,083 km (0.054 R)
• M12: 5,331,967 km (0.113 R)
• M13: 5,657,193 km (0.103 R)
• M14: 6,599,211 km (0.095 R)
• M15: 8,088,607 km (0.111 R)
• M16: 8,351,451 km (0.087 R)
• M17: 8,825,377 km (0.088 R)
• M18: 9,352,859 km (0.096 R)
• M19: 10,587,191 km (0.073 R)
• M20: 14,214,042 km (0.09 R)
• M21: 14,694,550 km (0.083 R)
• M22: 18,994,591 km (0.097 R)
• M23: 19,754,848 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 9.5

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.17 AU - 4.85 AU

Year: 6732 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,152,610 km

• M1: 120,127 km (0.059 R)
• M2: 435,330 km (0.046 R)
• M3: 800,947 km (0.082 R)
• M4: 1,295,966 km (0.112 R)
• M5: 2,046,798 km (0.093 R)
• M6: 3,208,725 km (0.087 R)
• M7: 3,695,815 km (0.113 R)
• M8: 4,006,530 km (0.097 R)
• M9: 4,763,047 km (0.104 R)
• M10: 5,894,904 km (0.095 R)
• M11: 6,558,221 km (0.062 R)
• M12: 6,908,130 km (0.074 R)
• M13: 8,152,486 km (0.055 R)
• M14: 9,018,508 km (0.063 R)
• M15: 9,364,079 km (0.039 R)
• M16: 11,177,504 km (0.062 R)
• M17: 11,526,067 km (0.09 R)
• M18: 13,716,629 km (0.089 R)
• M19: 18,279,364 km (0.111 R)
• M20: 18,763,911 km (0.117 R)
• M21: 19,542,718 km (0.075 R)
• M22: 22,242,511 km (0.07 R)
• M23: 22,636,103 km (0.103 R)
• M24: 23,195,000 km (0.104 R)
• M25: 26,041,698 km (0.09 R)
• M26: 26,479,122 km (0.101 R)
• M27: 28,554,643 km (0.077 R)
• M28: 34,057,152 km (0.117 R)
• M29: 34,370,410 km (0.062 R)
• M30: 36,073,881 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.5

Radius: 4.2

Gravity: 50.6 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.81 AU - 6.61 AU

Year: 10878 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 40,152,610 km

• M1: 52,210 km (0.071 R)
• M2: 402,568 km (0.097 R)
• M3: 557,252 km (0.115 R)
• M4: 836,252 km (0.056 R)
• M5: 1,215,333 km (0.099 R)
• M6: 1,545,944 km (0.1 R)
• M7: 1,848,132 km (0.096 R)
• M8: 2,923,142 km (0.111 R)
• M9: 3,063,914 km (0.095 R)
• M10: 3,258,690 km (0.093 R)
• M11: 3,461,695 km (0.05 R)
• M12: 3,892,985 km (0.112 R)
• M13: 4,239,304 km (0.076 R)
• M14: 7,433,967 km (0.04 R)
• M15: 7,875,879 km (0.094 R)
• M16: 8,763,294 km (0.116 R)
• M17: 9,156,287 km (0.064 R)
• M18: 9,715,634 km (0.096 R)
• M19: 11,471,913 km (0.096 R)
• M20: 14,083,742 km (0.108 R)
• M21: 15,385,543 km (0.106 R)
• M22: 15,884,751 km (0.095 R)
• M23: 16,101,967 km (0.115 R)
• M24: 17,833,562 km (0.116 R)
• M25: 17,989,742 km (0.114 R)
• M26: 19,768,760 km (0.041 R)
• M27: 21,046,924 km (0.069 R)
• M28: 22,288,587 km (0.059 R)
• M29: 30,110,461 km (0.091 R)
• M30: 31,116,058 km (0.036 R)
• M31: 33,787,277 km (0.056 R)
• M32: 37,113,287 km (0.077 R)
• M33: 41,878,428 km (0.086 R)
• M34: 43,978,632 km (0.08 R)
• M35: 44,263,916 km (0.041 R)
• M36: 48,387,880 km (0.083 R)
• M37: 49,920,510 km (0.104 R)
• M38: 51,961,025 km (0.11 R)
• M39: 53,405,841 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.9

Radius: 3.3

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.9 AU - 9.46 AU

Year: 14961 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,152,610 km

• M1: 41,738 km (0.08 R)
• M2: 179,069 km (0.047 R)
• M3: 468,092 km (0.104 R)
• M4: 1,790,537 km (0.108 R)
• M5: 1,896,901 km (0.114 R)
• M6: 2,365,890 km (0.118 R)
• M7: 4,100,178 km (0.112 R)
• M8: 4,285,829 km (0.098 R)
• M9: 5,085,131 km (0.052 R)
• M10: 6,427,622 km (0.118 R)
• M11: 6,605,943 km (0.084 R)
• M12: 7,547,961 km (0.091 R)
• M13: 8,112,693 km (0.031 R)
• M14: 8,923,513 km (0.109 R)
• M15: 9,145,666 km (0.117 R)
• M16: 10,556,075 km (0.088 R)
• M17: 10,704,625 km (0.09 R)
• M18: 11,364,501 km (0.104 R)
• M19: 12,487,233 km (0.088 R)
• M20: 12,709,087 km (0.057 R)
• M21: 17,441,317 km (0.054 R)
• M22: 17,649,108 km (0.119 R)
• M23: 20,887,752 km (0.113 R)
• M24: 25,554,308 km (0.118 R)
• M25: 28,797,740 km (0.045 R)
• M26: 31,993,898 km (0.104 R)
• M27: 35,862,948 km (0.117 R)
• M28: 38,374,547 km (0.087 R)
• M29: 39,553,976 km (0.112 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: 483 - 17,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit