🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 8.8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,944,003 km

• M1: 112,348 km (0.094 R)
• M2: 391,797 km (0.058 R)
• M3: 665,860 km (0.066 R)
• M4: 1,029,233 km (0.088 R)
• M5: 1,345,034 km (0.059 R)
• M6: 1,873,115 km (0.039 R)
• M7: 2,242,771 km (0.103 R)
• M8: 2,782,820 km (0.111 R)
• M9: 3,161,302 km (0.093 R)
• M10: 3,793,503 km (0.086 R)
• M11: 4,071,605 km (0.04 R)
• M12: 4,441,561 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.1

Radius: 11.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.45 AU - 4.39 AU

Year: 5176 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,944,003 km

• M1: 148,102 km (0.114 R)
• M2: 520,301 km (0.061 R)
• M3: 958,623 km (0.117 R)
• M4: 1,565,542 km (0.081 R)
• M5: 3,449,727 km (0.086 R)
• M6: 3,910,788 km (0.067 R)
• M7: 6,004,859 km (0.042 R)
• M8: 7,238,143 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.4

Radius: 12.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.67 AU - 4.97 AU

Year: 5988 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,944,003 km

• M1: 154,684 km (0.084 R)
• M2: 695,780 km (0.059 R)
• M3: 1,781,411 km (0.08 R)
• M4: 2,188,168 km (0.117 R)
• M5: 2,868,539 km (0.082 R)
• M6: 3,379,416 km (0.105 R)
• M7: 4,469,984 km (0.112 R)
• M8: 5,142,128 km (0.057 R)
• M9: 6,203,525 km (0.116 R)
• M10: 6,775,587 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.9

Radius: 5.4

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.22 AU - 12.12 AU

Year: 23242 Days

Day: 15.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,944,003 km

• M1: 67,169 km (0.107 R)
• M2: 279,150 km (0.114 R)
• M3: 512,074 km (0.095 R)
• M4: 699,370 km (0.117 R)
• M5: 945,459 km (0.063 R)
• M6: 1,439,431 km (0.042 R)
• M7: 2,047,696 km (0.052 R)
• M8: 2,531,196 km (0.049 R)
• M9: 3,003,626 km (0.034 R)
• M10: 4,850,861 km (0.089 R)
• M11: 6,374,066 km (0.084 R)
• M12: 7,396,268 km (0.11 R)
• M13: 8,579,737 km (0.119 R)
• M14: 8,981,407 km (0.029 R)
• M15: 9,576,807 km (0.101 R)
• M16: 10,071,826 km (0.12 R)
• M17: 11,659,209 km (0.092 R)
• M18: 13,482,508 km (0.036 R)
• M19: 18,807,444 km (0.054 R)
• M20: 20,178,210 km (0.097 R)
• M21: 22,143,178 km (0.104 R)
• M22: 24,459,252 km (0.104 R)
• M23: 28,417,312 km (0.096 R)
• M24: 29,826,075 km (0.055 R)
• M25: 39,897,154 km (0.066 R)
• M26: 45,862,369 km (0.107 R)
• M27: 49,237,895 km (0.074 R)
• M28: 51,453,140 km (0.058 R)
• M29: 57,683,144 km (0.038 R)
• M30: 59,109,859 km (0.032 R)
• M31: 59,935,639 km (0.082 R)
• M32: 60,143,281 km (0.084 R)
• M33: 60,978,635 km (0.119 R)
• M34: 75,416,475 km (0.107 R)
• M35: 84,981,913 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.6

Radius: 4.4

Gravity: 37.63 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.88 AU - 11.98 AU

Year: 24097 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,944,003 km

• M1: 57,146 km (0.102 R)
• M2: 290,818 km (0.053 R)
• M3: 558,748 km (0.081 R)
• M4: 845,677 km (0.096 R)
• M5: 1,478,027 km (0.093 R)
• M6: 2,673,015 km (0.072 R)
• M7: 3,388,691 km (0.081 R)
• M8: 4,689,444 km (0.099 R)
• M9: 6,897,359 km (0.029 R)
• M10: 8,333,499 km (0.111 R)
• M11: 9,179,625 km (0.069 R)
• M12: 20,799,190 km (0.09 R)
• M13: 23,202,480 km (0.109 R)
• M14: 24,414,821 km (0.079 R)
• M15: 27,568,195 km (0.12 R)
• M16: 28,180,499 km (0.109 R)
• M17: 31,378,602 km (0.089 R)
• M18: 34,104,874 km (0.061 R)
• M19: 38,180,967 km (0.082 R)
• M20: 39,402,434 km (0.112 R)
• M21: 45,222,988 km (0.119 R)
• M22: 45,562,126 km (0.095 R)
• M23: 47,458,129 km (0.104 R)
• M24: 49,765,676 km (0.083 R)
• M25: 50,490,478 km (0.114 R)
• M26: 55,374,250 km (0.082 R)
• M27: 55,762,457 km (0.037 R)
• M28: 58,731,974 km (0.091 R)
• M29: 66,285,470 km (0.116 R)
• M30: 68,493,086 km (0.073 R)
• M31: 77,813,482 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit