🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.91 AU

Year: 236 Days

Day: 33.3 Hours

Environment

Temp: 150 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.82 AU - 1.08 AU

Year: 343 Days

Day: 12.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,509,695 km

• M1: 104,419 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1 AU - 1.54 AU

Year: 531 Days

Day: 22.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,509,695 km

• M1: 74,051 km (0.048 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.23 AU - 1.95 AU

Year: 744 Days

Day: 42.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 14.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.88 AU - 7.52 AU

Year: 7165 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,509,695 km

• M1: 185,651 km (0.026 R)
• M2: 771,027 km (0.066 R)
• M3: 1,260,661 km (0.089 R)
• M4: 1,762,413 km (0.031 R)
• M5: 3,118,816 km (0.098 R)
• M6: 3,656,022 km (0.068 R)
• M7: 4,386,958 km (0.072 R)
• M8: 7,401,055 km (0.119 R)
• M9: 9,189,199 km (0.034 R)
• M10: 10,026,797 km (0.11 R)
• M11: 12,120,270 km (0.116 R)
• M12: 17,785,392 km (0.096 R)
• M13: 18,251,539 km (0.118 R)
• M14: 20,010,510 km (0.092 R)
• M15: 23,166,427 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 12

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.75 AU - 8.87 AU

Year: 7330 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,509,695 km

• M1: 593,604 km (0.095 R)
• M2: 1,136,046 km (0.074 R)
• M3: 1,908,570 km (0.077 R)
• M4: 2,451,610 km (0.094 R)
• M5: 2,916,410 km (0.099 R)
• M6: 4,227,337 km (0.039 R)
• M7: 4,875,245 km (0.112 R)
• M8: 6,677,002 km (0.093 R)
• M9: 7,625,303 km (0.097 R)
• M10: 8,661,418 km (0.114 R)
• M11: 13,305,833 km (0.034 R)
• M12: 15,401,550 km (0.093 R)
• M13: 21,313,807 km (0.089 R)
• M14: 24,095,879 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 6.2

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 11.06 AU - 16.02 AU

Year: 18477 Days

Day: 20 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,509,695 km

• M1: 77,193 km (0.114 R)
• M2: 330,462 km (0.053 R)
• M3: 1,164,171 km (0.114 R)
• M4: 1,697,487 km (0.057 R)
• M5: 2,751,703 km (0.032 R)
• M6: 3,662,006 km (0.089 R)
• M7: 4,125,311 km (0.062 R)
• M8: 4,825,130 km (0.075 R)
• M9: 5,238,768 km (0.084 R)
• M10: 6,874,621 km (0.113 R)
• M11: 12,207,485 km (0.118 R)
• M12: 13,503,751 km (0.1 R)
• M13: 14,817,968 km (0.081 R)
• M14: 16,984,594 km (0.093 R)
• M15: 17,778,361 km (0.08 R)
• M16: 19,610,934 km (0.072 R)
• M17: 23,066,795 km (0.098 R)
• M18: 27,876,366 km (0.081 R)
• M19: 30,456,331 km (0.09 R)
• M20: 32,704,339 km (0.113 R)
• M21: 33,069,058 km (0.105 R)
• M22: 34,429,800 km (0.056 R)
• M23: 37,394,980 km (0.082 R)
• M24: 38,061,289 km (0.086 R)
• M25: 42,370,605 km (0.059 R)
• M26: 53,948,283 km (0.087 R)
• M27: 57,935,067 km (0.113 R)
• M28: 58,290,661 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.7

Radius: 6.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 11.46 AU - 18.12 AU

Year: 21094 Days

Day: 22.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,509,695 km

• M1: 106,214 km (0.086 R)
• M2: 810,072 km (0.062 R)
• M3: 5,512,981 km (0.079 R)
• M4: 15,429,076 km (0.097 R)
• M5: 26,834,716 km (0.112 R)
• M6: 27,510,600 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 14,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit