🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 11.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.67 AU - 0.99 AU

Year: 488 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,025,544 km

• M1: 141,968 km (0.112 R)
• M2: 562,488 km (0.083 R)
• M3: 952,789 km (0.041 R)
• M4: 1,310,627 km (0.077 R)
• M5: 1,845,439 km (0.079 R)
• M6: 2,313,531 km (0.11 R)
• M7: 2,925,087 km (0.099 R)
• M8: 3,334,686 km (0.105 R)
• M9: 4,924,014 km (0.093 R)
• M10: 5,974,341 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.3

Radius: 11.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.78 AU - 1.26 AU

Year: 665 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,025,544 km

• M1: 140,622 km (0.12 R)
• M2: 578,196 km (0.114 R)
• M3: 1,050,027 km (0.078 R)
• M4: 1,468,602 km (0.119 R)
• M5: 2,077,316 km (0.109 R)
• M6: 2,582,358 km (0.102 R)
• M7: 2,959,943 km (0.104 R)
• M8: 3,362,063 km (0.099 R)
• M9: 4,161,962 km (0.093 R)
• M10: 4,905,763 km (0.067 R)
• M11: 5,267,491 km (0.118 R)
• M12: 5,934,697 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 9.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.77 AU - 2.37 AU

Year: 1923 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,025,544 km

• M1: 113,096 km (0.074 R)
• M2: 416,630 km (0.041 R)
• M3: 1,653,505 km (0.095 R)
• M4: 2,229,756 km (0.088 R)
• M5: 2,816,030 km (0.082 R)
• M6: 3,426,988 km (0.115 R)
• M7: 4,312,009 km (0.08 R)
• M8: 5,691,301 km (0.084 R)
• M9: 8,416,077 km (0.12 R)
• M10: 10,546,949 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.79 AU - 5.95 AU

Year: 6939 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,025,544 km

• M1: 174,282 km (0.109 R)
• M2: 860,038 km (0.063 R)
• M3: 1,882,839 km (0.091 R)
• M4: 2,774,741 km (0.036 R)
• M5: 3,885,805 km (0.091 R)
• M6: 4,530,721 km (0.098 R)
• M7: 5,816,066 km (0.097 R)
• M8: 6,393,663 km (0.098 R)
• M9: 7,223,483 km (0.077 R)
• M10: 8,202,302 km (0.03 R)
• M11: 8,930,394 km (0.073 R)
• M12: 9,789,685 km (0.108 R)
• M13: 10,377,455 km (0.118 R)
• M14: 10,940,691 km (0.062 R)
• M15: 12,595,542 km (0.078 R)
• M16: 13,237,018 km (0.101 R)
• M17: 16,649,944 km (0.082 R)
• M18: 21,053,507 km (0.036 R)
• M19: 21,805,386 km (0.117 R)
• M20: 22,265,100 km (0.106 R)
• M21: 24,168,882 km (0.074 R)
• M22: 24,993,466 km (0.092 R)
• M23: 27,758,334 km (0.103 R)
• M24: 28,389,338 km (0.064 R)
• M25: 30,625,676 km (0.112 R)
• M26: 31,884,841 km (0.109 R)
• M27: 33,889,154 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504

Radius: 4.7

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.27 AU - 7.03 AU

Year: 9848 Days

Day: 19.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,025,544 km

• M1: 58,493 km (0.079 R)
• M2: 552,166 km (0.05 R)
• M3: 881,730 km (0.053 R)
• M4: 1,332,767 km (0.099 R)
• M5: 1,652,159 km (0.065 R)
• M6: 1,892,413 km (0.109 R)
• M7: 2,499,332 km (0.043 R)
• M8: 2,734,799 km (0.068 R)
• M9: 3,182,396 km (0.1 R)
• M10: 3,342,016 km (0.059 R)
• M11: 3,652,582 km (0.116 R)
• M12: 4,471,032 km (0.117 R)
• M13: 5,469,597 km (0.09 R)
• M14: 5,699,080 km (0.081 R)
• M15: 8,403,960 km (0.105 R)
• M16: 8,798,599 km (0.028 R)
• M17: 10,401,241 km (0.067 R)
• M18: 10,601,702 km (0.065 R)
• M19: 11,750,913 km (0.101 R)
• M20: 12,808,270 km (0.061 R)
• M21: 15,367,441 km (0.054 R)
• M22: 17,181,315 km (0.101 R)
• M23: 17,887,717 km (0.067 R)
• M24: 18,466,660 km (0.062 R)
• M25: 20,200,799 km (0.069 R)
• M26: 20,434,770 km (0.065 R)
• M27: 21,147,305 km (0.066 R)
• M28: 24,251,460 km (0.104 R)
• M29: 26,605,682 km (0.089 R)
• M30: 29,908,354 km (0.104 R)
• M31: 33,801,788 km (0.117 R)
• M32: 34,131,502 km (0.056 R)
• M33: 36,040,670 km (0.09 R)
• M34: 37,547,869 km (0.034 R)
• M35: 38,975,780 km (0.096 R)
• M36: 39,825,347 km (0.038 R)
• M37: 41,060,277 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 8

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.83 AU - 6.95 AU

Year: 10430 Days

Day: 16.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,025,544 km

• M1: 99,782 km (0.064 R)
• M2: 408,851 km (0.12 R)
• M3: 682,914 km (0.086 R)
• M4: 1,239,119 km (0.118 R)
• M5: 1,859,651 km (0.1 R)
• M6: 2,329,688 km (0.076 R)
• M7: 3,459,152 km (0.116 R)
• M8: 3,854,988 km (0.063 R)
• M9: 4,336,094 km (0.076 R)
• M10: 4,947,501 km (0.099 R)
• M11: 5,226,501 km (0.102 R)
• M12: 6,559,418 km (0.043 R)
• M13: 8,105,512 km (0.057 R)
• M14: 9,216,126 km (0.08 R)
• M15: 9,591,916 km (0.09 R)
• M16: 10,988,712 km (0.099 R)
• M17: 11,627,046 km (0.092 R)
• M18: 13,094,601 km (0.064 R)
• M19: 18,233,138 km (0.102 R)
• M20: 21,819,149 km (0.067 R)
• M21: 22,826,690 km (0.096 R)
• M22: 23,689,571 km (0.085 R)
• M23: 32,243,876 km (0.106 R)
• M24: 32,567,008 km (0.091 R)
• M25: 34,664,669 km (0.113 R)
• M26: 44,488,462 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.1

Radius: 4.9

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.23 AU - 11.29 AU

Year: 18194 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,025,544 km

• M1: 60,886 km (0.115 R)
• M2: 712,385 km (0.113 R)
• M3: 892,650 km (0.115 R)
• M4: 1,474,586 km (0.094 R)
• M5: 1,978,133 km (0.059 R)
• M6: 2,359,308 km (0.112 R)
• M7: 2,698,297 km (0.114 R)
• M8: 2,856,422 km (0.105 R)
• M9: 3,660,510 km (0.072 R)
• M10: 4,386,210 km (0.093 R)
• M11: 5,814,121 km (0.1 R)
• M12: 6,233,893 km (0.038 R)
• M13: 7,219,892 km (0.105 R)
• M14: 8,211,278 km (0.045 R)
• M15: 9,599,995 km (0.116 R)
• M16: 10,571,184 km (0.107 R)
• M17: 11,312,142 km (0.115 R)
• M18: 11,965,586 km (0.094 R)
• M19: 15,184,932 km (0.114 R)
• M20: 16,053,048 km (0.067 R)
• M21: 16,275,201 km (0.115 R)
• M22: 16,801,337 km (0.102 R)
• M23: 18,206,510 km (0.082 R)
• M24: 22,241,463 km (0.074 R)
• M25: 22,517,621 km (0.076 R)
• M26: 23,740,584 km (0.063 R)
• M27: 31,324,298 km (0.089 R)
• M28: 32,965,387 km (0.068 R)
• M29: 35,158,192 km (0.095 R)
• M30: 35,910,370 km (0.084 R)
• M31: 38,099,287 km (0.051 R)
• M32: 44,611,132 km (0.085 R)
• M33: 46,534,961 km (0.117 R)
• M34: 47,137,840 km (0.039 R)
• M35: 52,963,630 km (0.037 R)
• M36: 53,291,549 km (0.082 R)
• M37: 55,794,171 km (0.09 R)
• M38: 57,851,890 km (0.052 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 17,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit