🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.67 AU - 0.69 AU

Year: 208 Days

Day: 47.8 Hours

Environment

Temp: 205 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,928,017 km

• M1: 40,840 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.79 AU - 1.17 AU

Year: 360 Days

Day: 16.1 Hours

Environment

Temp: 38 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 12.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.41 AU - 4.83 AU

Year: 3683 Days

Day: 7 Hours

Environment

Temp: -127 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,928,017 km

• M1: 161,117 km (0.069 R)
• M2: 657,034 km (0.097 R)
• M3: 1,155,045 km (0.08 R)
• M4: 1,694,345 km (0.092 R)
• M5: 2,123,392 km (0.111 R)
• M6: 3,740,246 km (0.08 R)
• M7: 4,940,470 km (0.053 R)
• M8: 5,337,054 km (0.119 R)
• M9: 6,115,561 km (0.085 R)
• M10: 6,573,929 km (0.038 R)
• M11: 8,120,322 km (0.1 R)
• M12: 8,641,671 km (0.108 R)
• M13: 9,970,100 km (0.051 R)
• M14: 11,270,404 km (0.105 R)
• M15: 12,212,123 km (0.115 R)
• M16: 14,581,304 km (0.093 R)
• M17: 16,925,802 km (0.096 R)
• M18: 17,455,379 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.9

Radius: 3.2

Gravity: 33.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 14.17 AU - 18.49 AU

Year: 24473 Days

Day: 22.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,928,017 km

• M1: 43,533 km (0.088 R)
• M2: 307,424 km (0.044 R)
• M3: 470,485 km (0.064 R)
• M4: 736,620 km (0.094 R)
• M5: 1,107,323 km (0.072 R)
• M6: 1,691,503 km (0.117 R)
• M7: 1,925,474 km (0.049 R)
• M8: 2,160,044 km (0.076 R)
• M9: 2,305,453 km (0.069 R)
• M10: 2,757,388 km (0.065 R)
• M11: 3,656,920 km (0.109 R)
• M12: 7,218,546 km (0.052 R)
• M13: 8,124,810 km (0.066 R)
• M14: 8,426,100 km (0.051 R)
• M15: 10,159,939 km (0.078 R)
• M16: 11,860,269 km (0.071 R)
• M17: 12,444,598 km (0.056 R)
• M18: 17,083,179 km (0.114 R)
• M19: 21,116,338 km (0.093 R)
• M20: 22,263,903 km (0.088 R)
• M21: 24,371,139 km (0.094 R)
• M22: 24,682,751 km (0.109 R)
• M23: 25,313,605 km (0.102 R)
• M24: 26,063,240 km (0.119 R)
• M25: 37,746,535 km (0.067 R)
• M26: 45,257,844 km (0.085 R)
• M27: 56,376,855 km (0.114 R)
• M28: 57,836,930 km (0.113 R)
• M29: 64,918,295 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.6

Radius: 6.3

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 12.64 AU - 20.02 AU

Year: 24473 Days

Day: 16.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,928,017 km

• M1: 83,176 km (0.08 R)
• M2: 396,135 km (0.062 R)
• M3: 1,602,642 km (0.084 R)
• M4: 2,136,557 km (0.085 R)
• M5: 3,578,680 km (0.069 R)
• M6: 4,014,608 km (0.108 R)
• M7: 5,062,242 km (0.056 R)
• M8: 6,741,927 km (0.102 R)
• M9: 7,002,676 km (0.092 R)
• M10: 9,607,026 km (0.11 R)
• M11: 11,214,305 km (0.06 R)
• M12: 12,793,909 km (0.048 R)
• M13: 14,019,265 km (0.039 R)
• M14: 15,545,463 km (0.086 R)
• M15: 16,154,924 km (0.057 R)
• M16: 16,938,967 km (0.097 R)
• M17: 17,340,488 km (0.077 R)
• M18: 19,356,169 km (0.109 R)
• M19: 21,522,945 km (0.119 R)
• M20: 23,946,730 km (0.072 R)
• M21: 25,276,206 km (0.092 R)
• M22: 29,328,363 km (0.099 R)
• M23: 30,023,993 km (0.119 R)
• M24: 31,568,442 km (0.084 R)
• M25: 32,421,599 km (0.097 R)
• M26: 37,053,897 km (0.102 R)
• M27: 41,525,676 km (0.056 R)
• M28: 41,816,494 km (0.106 R)
• M29: 42,697,177 km (0.107 R)
• M30: 45,413,575 km (0.118 R)
• M31: 53,731,366 km (0.119 R)
• M32: 60,550,037 km (0.117 R)
• M33: 63,972,238 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 13,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit