🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.7

Radius: 12

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 7.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,072,714 km

• M1: 149,299 km (0.102 R)
• M2: 576,401 km (0.057 R)
• M3: 1,042,398 km (0.071 R)
• M4: 1,526,197 km (0.105 R)
• M5: 1,934,450 km (0.104 R)
• M6: 2,507,111 km (0.071 R)
• M7: 2,918,505 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.5

Radius: 11.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.69 AU - 0.81 AU

Year: 426 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,072,714 km

• M1: 146,756 km (0.084 R)
• M2: 632,649 km (0.093 R)
• M3: 1,243,009 km (0.071 R)
• M4: 2,136,856 km (0.045 R)
• M5: 2,524,015 km (0.115 R)
• M6: 3,358,323 km (0.096 R)
• M7: 4,240,501 km (0.102 R)
• M8: 5,452,543 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 8.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.78 AU - 4.56 AU

Year: 5586 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,072,714 km

• M1: 102,026 km (0.108 R)
• M2: 442,062 km (0.12 R)
• M3: 747,541 km (0.074 R)
• M4: 1,029,233 km (0.112 R)
• M5: 1,409,810 km (0.092 R)
• M6: 2,018,973 km (0.115 R)
• M7: 2,538,227 km (0.108 R)
• M8: 3,989,326 km (0.1 R)
• M9: 6,744,171 km (0.079 R)
• M10: 7,236,647 km (0.112 R)
• M11: 8,232,221 km (0.063 R)
• M12: 11,229,415 km (0.073 R)
• M13: 13,348,169 km (0.116 R)
• M14: 13,862,487 km (0.086 R)
• M15: 15,672,920 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.2

Radius: 5.8

Gravity: 24.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.29 AU - 7.15 AU

Year: 10176 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,072,714 km

• M1: 72,106 km (0.054 R)
• M2: 403,465 km (0.1 R)
• M3: 690,394 km (0.084 R)
• M4: 1,354,010 km (0.081 R)
• M5: 3,056,284 km (0.118 R)
• M6: 3,367,298 km (0.086 R)
• M7: 3,913,929 km (0.12 R)
• M8: 4,701,562 km (0.088 R)
• M9: 5,116,397 km (0.09 R)
• M10: 6,241,373 km (0.098 R)
• M11: 6,546,702 km (0.098 R)
• M12: 9,707,855 km (0.107 R)
• M13: 10,700,287 km (0.106 R)
• M14: 12,283,481 km (0.112 R)
• M15: 12,885,014 km (0.062 R)
• M16: 13,193,036 km (0.086 R)
• M17: 13,823,741 km (0.034 R)
• M18: 16,332,647 km (0.105 R)
• M19: 16,548,516 km (0.116 R)
• M20: 16,839,335 km (0.051 R)
• M21: 17,505,943 km (0.088 R)
• M22: 18,655,902 km (0.092 R)
• M23: 20,101,316 km (0.09 R)
• M24: 20,349,200 km (0.112 R)
• M25: 24,224,383 km (0.113 R)
• M26: 24,505,178 km (0.06 R)
• M27: 25,360,729 km (0.096 R)
• M28: 30,916,494 km (0.069 R)
• M29: 31,246,956 km (0.094 R)
• M30: 32,820,426 km (0.062 R)
• M31: 34,920,033 km (0.076 R)
• M32: 38,615,698 km (0.051 R)
• M33: 39,255,828 km (0.067 R)
• M34: 41,887,703 km (0.091 R)
• M35: 47,208,002 km (0.059 R)
• M36: 50,180,960 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.1

Radius: 4.4

Gravity: 19.79 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.16 AU - 7.7 AU

Year: 10696 Days

Day: 19.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,072,714 km

• M1: 55,052 km (0.115 R)
• M2: 214,374 km (0.109 R)
• M3: 464,651 km (0.087 R)
• M4: 796,609 km (0.084 R)
• M5: 1,225,057 km (0.093 R)
• M6: 1,591,721 km (0.118 R)
• M7: 1,823,299 km (0.041 R)
• M8: 2,815,282 km (0.105 R)
• M9: 3,450,026 km (0.12 R)
• M10: 4,095,990 km (0.1 R)
• M11: 4,818,996 km (0.1 R)
• M12: 4,997,317 km (0.072 R)
• M13: 5,273,026 km (0.055 R)
• M14: 5,623,534 km (0.097 R)
• M15: 5,821,302 km (0.095 R)
• M16: 5,989,600 km (0.09 R)
• M17: 6,230,602 km (0.101 R)
• M18: 7,144,645 km (0.086 R)
• M19: 8,019,942 km (0.076 R)
• M20: 8,831,510 km (0.031 R)
• M21: 9,696,485 km (0.109 R)
• M22: 9,981,020 km (0.037 R)
• M23: 10,666,478 km (0.115 R)
• M24: 11,072,038 km (0.103 R)
• M25: 13,197,225 km (0.071 R)
• M26: 23,555,382 km (0.118 R)
• M27: 24,069,250 km (0.037 R)
• M28: 28,453,365 km (0.081 R)
• M29: 31,138,946 km (0.064 R)
• M30: 31,344,344 km (0.114 R)
• M31: 33,020,140 km (0.088 R)
• M32: 38,522,648 km (0.061 R)
• M33: 40,078,766 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.5

Radius: 4.4

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.96 AU - 8.82 AU

Year: 14539 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,072,714 km

• M1: 54,753 km (0.087 R)
• M2: 296,952 km (0.113 R)
• M3: 791,971 km (0.095 R)
• M4: 948,002 km (0.077 R)
• M5: 1,403,826 km (0.075 R)
• M6: 1,873,564 km (0.118 R)
• M7: 2,135,510 km (0.053 R)
• M8: 2,909,080 km (0.089 R)
• M9: 3,140,359 km (0.091 R)
• M10: 3,285,020 km (0.059 R)
• M11: 3,853,791 km (0.091 R)
• M12: 6,793,838 km (0.115 R)
• M13: 10,047,442 km (0.118 R)
• M14: 10,204,071 km (0.108 R)
• M15: 11,122,901 km (0.069 R)
• M16: 14,806,748 km (0.034 R)
• M17: 15,146,036 km (0.099 R)
• M18: 20,207,531 km (0.104 R)
• M19: 23,070,086 km (0.067 R)
• M20: 26,888,123 km (0.048 R)
• M21: 27,801,717 km (0.042 R)
• M22: 29,263,587 km (0.115 R)
• M23: 30,447,655 km (0.064 R)
• M24: 30,666,367 km (0.028 R)
• M25: 31,106,783 km (0.082 R)
• M26: 35,142,185 km (0.098 R)
• M27: 40,428,525 km (0.104 R)
• M28: 45,646,798 km (0.07 R)
• M29: 49,766,873 km (0.095 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: 283 - 14,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit