🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.53 AU - 0.71 AU

Year: 184 Days

Day: 24.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.69 AU - 0.83 AU

Year: 250 Days

Day: 17.9 Hours

Environment

Temp: 99 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.84 AU - 1.24 AU

Year: 400 Days

Day: 28.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 28,693,693 km

• M1: 28,573 km (0.117 R)
• M2: 383,569 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.07 AU - 2.97 AU

Year: 1507 Days

Day: 16.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.68 AU - 4.3 AU

Year: 2456 Days

Day: 27 Hours

Environment

Temp: -116 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.02 AU - 4.3 AU

Year: 2638 Days

Day: 15.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 8.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.89 AU - 5.85 AU

Year: 4049 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,693,693 km

• M1: 109,506 km (0.106 R)
• M2: 384,915 km (0.107 R)
• M3: 745,596 km (0.116 R)
• M4: 2,038,421 km (0.11 R)
• M5: 2,371,575 km (0.111 R)
• M6: 2,757,238 km (0.115 R)
• M7: 3,043,120 km (0.11 R)
• M8: 5,744,708 km (0.091 R)
• M9: 6,213,996 km (0.101 R)
• M10: 7,419,606 km (0.066 R)
• M11: 12,010,315 km (0.098 R)
• M12: 14,163,627 km (0.062 R)
• M13: 15,805,464 km (0.049 R)
• M14: 17,005,239 km (0.061 R)
• M15: 17,973,287 km (0.072 R)
• M16: 20,331,996 km (0.072 R)
• M17: 21,356,891 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 9.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.04 AU - 8.72 AU

Year: 7553 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,693,693 km

• M1: 123,867 km (0.099 R)
• M2: 433,235 km (0.119 R)
• M3: 1,321,099 km (0.089 R)
• M4: 1,785,451 km (0.115 R)
• M5: 2,669,275 km (0.117 R)
• M6: 3,081,417 km (0.081 R)
• M7: 3,717,507 km (0.11 R)
• M8: 5,705,812 km (0.108 R)
• M9: 7,728,376 km (0.066 R)
• M10: 10,394,060 km (0.089 R)
• M11: 10,983,924 km (0.085 R)
• M12: 11,910,683 km (0.095 R)
• M13: 17,224,100 km (0.101 R)
• M14: 24,151,679 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 10.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.7 AU - 12.6 AU

Year: 13093 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,693,693 km

• M1: 126,859 km (0.083 R)
• M2: 782,397 km (0.077 R)
• M3: 1,685,220 km (0.061 R)
• M4: 7,018,085 km (0.108 R)
• M5: 11,279,530 km (0.088 R)
• M6: 12,867,960 km (0.08 R)
• M7: 32,509,263 km (0.046 R)
• M8: 34,721,217 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.2

Radius: 5.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 13.47 AU - 18.15 AU

Year: 23682 Days

Day: 15.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,693,693 km

• M1: 88,562 km (0.083 R)
• M2: 453,132 km (0.057 R)
• M3: 1,072,916 km (0.09 R)
• M4: 1,288,786 km (0.118 R)
• M5: 3,178,506 km (0.069 R)
• M6: 3,460,049 km (0.098 R)
• M7: 7,932,277 km (0.061 R)
• M8: 8,603,523 km (0.106 R)
• M9: 10,755,040 km (0.075 R)
• M10: 11,529,807 km (0.049 R)
• M11: 16,378,424 km (0.05 R)
• M12: 16,855,192 km (0.032 R)
• M13: 17,340,936 km (0.115 R)
• M14: 27,010,494 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 17,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit