🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.7 AU - 0.94 AU

Year: 275 Days

Day: 34.9 Hours

Environment

Temp: 97 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.01 AU - 4.13 AU

Year: 3045 Days

Day: 17.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 9.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.4 AU - 7.88 AU

Year: 7831 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,599,539 km

• M1: 123,867 km (0.09 R)
• M2: 476,918 km (0.11 R)
• M3: 999,613 km (0.047 R)
• M4: 1,428,959 km (0.079 R)
• M5: 1,873,414 km (0.117 R)
• M6: 2,779,229 km (0.071 R)
• M7: 4,083,274 km (0.068 R)
• M8: 4,808,375 km (0.08 R)
• M9: 5,426,812 km (0.099 R)
• M10: 6,332,777 km (0.097 R)
• M11: 7,075,830 km (0.106 R)
• M12: 8,587,666 km (0.103 R)
• M13: 9,536,864 km (0.104 R)
• M14: 10,139,145 km (0.112 R)
• M15: 10,681,288 km (0.095 R)
• M16: 11,732,961 km (0.067 R)
• M17: 12,804,231 km (0.061 R)
• M18: 14,143,431 km (0.112 R)
• M19: 16,408,792 km (0.112 R)
• M20: 22,474,238 km (0.096 R)
• M21: 23,757,189 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.1

Radius: 7.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.69 AU - 17.73 AU

Year: 19865 Days

Day: 25 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,599,539 km

• M1: 97,089 km (0.075 R)
• M2: 721,959 km (0.092 R)
• M3: 1,009,187 km (0.115 R)
• M4: 2,582,358 km (0.087 R)
• M5: 3,591,695 km (0.06 R)
• M6: 6,067,091 km (0.115 R)
• M7: 7,485,429 km (0.038 R)
• M8: 11,159,852 km (0.106 R)
• M9: 17,075,400 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.7

Radius: 4.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.53 AU - 17.73 AU

Year: 20753 Days

Day: 20.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,599,539 km

• M1: 51,761 km (0.091 R)
• M2: 192,233 km (0.118 R)
• M3: 448,494 km (0.103 R)
• M4: 927,357 km (0.029 R)
• M5: 1,180,327 km (0.119 R)
• M6: 1,323,343 km (0.106 R)
• M7: 2,694,258 km (0.094 R)
• M8: 4,234,817 km (0.117 R)
• M9: 7,100,513 km (0.103 R)
• M10: 7,335,980 km (0.115 R)
• M11: 9,317,105 km (0.076 R)
• M12: 9,599,247 km (0.119 R)
• M13: 12,973,576 km (0.112 R)
• M14: 17,201,810 km (0.046 R)
• M15: 25,131,993 km (0.12 R)
• M16: 25,678,475 km (0.109 R)
• M17: 27,079,459 km (0.094 R)
• M18: 32,010,055 km (0.036 R)
• M19: 32,544,418 km (0.098 R)
• M20: 41,923,158 km (0.073 R)
• M21: 43,208,802 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 20,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit