🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.67 AU - 1.07 AU

Year: 287 Days

Day: 37.9 Hours

Environment

Temp: 110 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.78 AU - 1.08 AU

Year: 317 Days

Day: 24.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.27 AU - 4.31 AU

Year: 3138 Days

Day: 17.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.65 AU - 5.31 AU

Year: 3348 Days

Day: 34.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,846,262 km

• M1: 18,550 km (0.093 R)

Asteroid Belt

Center: 6.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 8.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.9 AU - 10.48 AU

Year: 9837 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,846,262 km

• M1: 107,860 km (0.083 R)
• M2: 1,943,426 km (0.094 R)
• M3: 2,401,943 km (0.051 R)
• M4: 3,762,835 km (0.096 R)
• M5: 4,582,781 km (0.093 R)
• M6: 10,312,529 km (0.102 R)
• M7: 11,017,734 km (0.058 R)
• M8: 13,712,889 km (0.089 R)
• M9: 15,634,473 km (0.107 R)
• M10: 19,294,984 km (0.078 R)
• M11: 24,461,795 km (0.113 R)
• M12: 27,096,513 km (0.083 R)
• M13: 30,959,878 km (0.061 R)
• M14: 31,249,050 km (0.084 R)
• M15: 31,930,918 km (0.08 R)
• M16: 32,922,303 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.6

Radius: 3.6

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 15.19 AU - 21.15 AU

Year: 27348 Days

Day: 20.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,846,262 km

• M1: 44,730 km (0.048 R)
• M2: 253,568 km (0.115 R)
• M3: 570,566 km (0.114 R)
• M4: 744,549 km (0.106 R)
• M5: 1,121,834 km (0.11 R)
• M6: 1,598,453 km (0.103 R)
• M7: 1,855,014 km (0.106 R)
• M8: 2,428,273 km (0.105 R)
• M9: 2,673,912 km (0.111 R)
• M10: 3,111,187 km (0.1 R)
• M11: 3,240,739 km (0.116 R)
• M12: 5,343,636 km (0.115 R)
• M13: 6,781,870 km (0.073 R)
• M14: 8,712,131 km (0.106 R)
• M15: 10,222,621 km (0.118 R)
• M16: 12,025,425 km (0.113 R)
• M17: 13,068,571 km (0.119 R)
• M18: 18,599,054 km (0.096 R)
• M19: 18,940,586 km (0.05 R)
• M20: 19,373,223 km (0.104 R)
• M21: 21,355,694 km (0.118 R)
• M22: 22,013,775 km (0.1 R)
• M23: 25,929,500 km (0.08 R)
• M24: 29,239,652 km (0.105 R)
• M25: 29,469,883 km (0.062 R)
• M26: 29,701,161 km (0.107 R)
• M27: 30,876,402 km (0.071 R)
• M28: 32,449,873 km (0.042 R)
• M29: 36,549,453 km (0.074 R)
• M30: 37,761,644 km (0.118 R)
• M31: 41,558,737 km (0.076 R)
• M32: 45,602,517 km (0.098 R)
• M33: 46,223,049 km (0.071 R)
• M34: 47,481,018 km (0.029 R)
• M35: 50,065,022 km (0.104 R)
• M36: 57,290,449 km (0.109 R)
• M37: 58,012,857 km (0.055 R)
• M38: 61,338,568 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.7

Radius: 3

Gravity: 48.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 15.25 AU - 23.75 AU

Year: 30405 Days

Day: 15.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,846,262 km

• M1: 37,549 km (0.12 R)
• M2: 179,966 km (0.105 R)
• M3: 318,793 km (0.085 R)
• M4: 535,261 km (0.101 R)
• M5: 888,013 km (0.096 R)
• M6: 1,107,323 km (0.11 R)
• M7: 1,267,543 km (0.037 R)
• M8: 1,616,555 km (0.059 R)
• M9: 2,404,636 km (0.029 R)
• M10: 2,776,536 km (0.055 R)
• M11: 2,881,853 km (0.051 R)
• M12: 4,398,925 km (0.115 R)
• M13: 5,387,319 km (0.118 R)
• M14: 6,561,063 km (0.1 R)
• M15: 6,987,567 km (0.108 R)
• M16: 8,709,289 km (0.079 R)
• M17: 8,878,634 km (0.051 R)
• M18: 10,250,297 km (0.084 R)
• M19: 10,502,519 km (0.091 R)
• M20: 11,350,589 km (0.089 R)
• M21: 12,598,833 km (0.095 R)
• M22: 14,167,367 km (0.032 R)
• M23: 16,800,140 km (0.087 R)
• M24: 19,165,582 km (0.119 R)
• M25: 25,913,044 km (0.081 R)
• M26: 27,574,328 km (0.12 R)
• M27: 36,367,691 km (0.053 R)
• M28: 37,694,923 km (0.098 R)
• M29: 37,844,372 km (0.025 R)
• M30: 38,749,289 km (0.077 R)
• M31: 47,030,728 km (0.065 R)
• M32: 49,673,524 km (0.08 R)
• M33: 53,726,130 km (0.094 R)
• M34: 56,026,647 km (0.082 R)
• M35: 56,221,273 km (0.09 R)
• M36: 60,413,455 km (0.086 R)
• M37: 61,855,877 km (0.094 R)
• M38: 74,936,266 km (0.075 R)
• M39: 82,242,477 km (0.045 R)
• M40: 83,758,501 km (0.049 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 17,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit