🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.69 AU - 0.97 AU

Year: 276 Days

Day: 44.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.99 AU - 1.55 AU

Year: 523 Days

Day: 24.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.18 AU - 2.36 AU

Year: 1249 Days

Day: 32.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.07 AU - 2.67 AU

Year: 1333 Days

Day: 19.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.44 AU - 2.48 AU

Year: 1409 Days

Day: 35 Hours

Environment

Temp: -81 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.61 AU - 3.69 AU

Year: 2547 Days

Day: 18.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 13.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.67 AU - 8.05 AU

Year: 6563 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 168.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,622,393 km

• M1: 170,392 km (0.071 R)
• M2: 659,427 km (0.115 R)
• M3: 1,134,849 km (0.045 R)
• M4: 2,276,580 km (0.118 R)
• M5: 2,718,193 km (0.053 R)
• M6: 3,217,401 km (0.076 R)
• M7: 4,741,654 km (0.084 R)
• M8: 5,500,415 km (0.1 R)
• M9: 6,404,434 km (0.118 R)
• M10: 7,368,892 km (0.092 R)
• M11: 8,507,631 km (0.083 R)
• M12: 11,325,157 km (0.095 R)
• M13: 12,526,428 km (0.081 R)
• M14: 12,998,260 km (0.07 R)
• M15: 14,485,562 km (0.062 R)
• M16: 16,022,231 km (0.107 R)
• M17: 17,405,413 km (0.11 R)
• M18: 18,595,165 km (0.101 R)
• M19: 23,503,471 km (0.091 R)
• M20: 27,159,643 km (0.101 R)
• M21: 32,144,842 km (0.071 R)
• M22: 33,031,210 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 8.7

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.38 AU - 11.4 AU

Year: 11360 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,622,393 km

• M1: 108,159 km (0.055 R)
• M2: 591,660 km (0.077 R)
• M3: 1,045,240 km (0.102 R)
• M4: 1,678,039 km (0.042 R)
• M5: 2,041,263 km (0.09 R)
• M6: 2,510,103 km (0.069 R)
• M7: 4,820,642 km (0.086 R)
• M8: 6,238,381 km (0.036 R)
• M9: 8,605,019 km (0.062 R)
• M10: 12,239,200 km (0.054 R)
• M11: 13,272,173 km (0.108 R)
• M12: 18,613,865 km (0.048 R)
• M13: 19,978,048 km (0.053 R)
• M14: 25,320,636 km (0.094 R)
• M15: 25,666,806 km (0.111 R)
• M16: 26,724,313 km (0.105 R)
• M17: 29,020,192 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.9

Radius: 7.9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 17.04 AU - 21.08 AU

Year: 30393 Days

Day: 15.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,622,393 km

• M1: 99,782 km (0.095 R)
• M2: 401,072 km (0.118 R)
• M3: 687,253 km (0.094 R)
• M4: 1,059,602 km (0.083 R)
• M5: 1,545,496 km (0.112 R)
• M6: 1,980,975 km (0.09 R)
• M7: 2,569,343 km (0.092 R)
• M8: 4,809,871 km (0.082 R)
• M9: 6,782,618 km (0.104 R)
• M10: 7,579,975 km (0.086 R)
• M11: 8,719,461 km (0.057 R)
• M12: 10,800,218 km (0.038 R)
• M13: 14,509,946 km (0.116 R)
• M14: 16,605,663 km (0.117 R)
• M15: 18,895,408 km (0.082 R)
• M16: 27,013,636 km (0.07 R)
• M17: 29,515,809 km (0.081 R)
• M18: 32,442,243 km (0.11 R)
• M19: 33,272,810 km (0.033 R)
• M20: 34,831,919 km (0.089 R)
• M21: 38,095,547 km (0.032 R)
• M22: 41,234,259 km (0.115 R)
• M23: 42,536,659 km (0.086 R)
• M24: 43,031,977 km (0.117 R)
• M25: 44,034,283 km (0.118 R)
• M26: 44,881,306 km (0.08 R)
• M27: 52,620,004 km (0.104 R)
• M28: 53,190,869 km (0.044 R)
• M29: 57,303,315 km (0.114 R)
• M30: 61,622,804 km (0.045 R)
• M31: 64,619,997 km (0.08 R)
• M32: 68,162,624 km (0.098 R)
• M33: 68,841,051 km (0.081 R)
• M34: 78,568,802 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 14,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit