🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.75 AU - 1.09 AU

Year: 313 Days

Day: 17.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,125,106 km

• M1: 94,247 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.91 AU - 1.33 AU

Year: 420 Days

Day: 27 Hours

Environment

Temp: 40 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,125,106 km

• M1: 273,764 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.2 AU - 1.46 AU

Year: 544 Days

Day: 43 Hours

Environment

Temp: 11 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.68 AU - 5.26 AU

Year: 3353 Days

Day: 25 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,125,106 km

• M1: 200,162 km (0.069 R)
• M2: 1,582,745 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.12 AU - 5.48 AU

Year: 3731 Days

Day: 25.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 14.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.17 AU - 7.85 AU

Year: 6584 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,125,106 km

• M1: 184,155 km (0.106 R)
• M2: 658,231 km (0.056 R)
• M3: 1,370,915 km (0.083 R)
• M4: 3,751,017 km (0.099 R)
• M5: 4,434,380 km (0.117 R)
• M6: 5,061,794 km (0.094 R)
• M7: 6,208,312 km (0.088 R)
• M8: 6,759,580 km (0.116 R)
• M9: 7,237,994 km (0.113 R)
• M10: 7,923,601 km (0.119 R)
• M11: 9,425,414 km (0.115 R)
• M12: 10,831,484 km (0.076 R)
• M13: 11,441,096 km (0.097 R)
• M14: 12,935,728 km (0.039 R)
• M15: 14,500,970 km (0.105 R)
• M16: 15,068,994 km (0.118 R)
• M17: 17,683,067 km (0.114 R)
• M18: 20,233,710 km (0.069 R)
• M19: 22,114,455 km (0.116 R)
• M20: 23,097,313 km (0.088 R)
• M21: 29,346,315 km (0.05 R)
• M22: 30,073,062 km (0.06 R)
• M23: 31,091,973 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.49 AU - 7.89 AU

Year: 6840 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,125,106 km

• M1: 111,899 km (0.045 R)
• M2: 567,574 km (0.097 R)
• M3: 1,008,738 km (0.105 R)
• M4: 1,563,896 km (0.099 R)
• M5: 2,576,524 km (0.091 R)
• M6: 3,709,279 km (0.062 R)
• M7: 4,203,551 km (0.076 R)
• M8: 4,575,301 km (0.068 R)
• M9: 5,174,142 km (0.092 R)
• M10: 6,632,721 km (0.074 R)
• M11: 10,724,372 km (0.101 R)
• M12: 11,471,464 km (0.118 R)
• M13: 13,519,160 km (0.085 R)
• M14: 15,053,286 km (0.119 R)
• M15: 18,394,105 km (0.116 R)
• M16: 18,888,227 km (0.112 R)
• M17: 20,124,953 km (0.081 R)
• M18: 23,575,727 km (0.107 R)
• M19: 26,231,239 km (0.071 R)
• M20: 27,953,858 km (0.113 R)
• M21: 29,270,469 km (0.084 R)
• M22: 30,628,070 km (0.082 R)
• M23: 31,023,457 km (0.093 R)
• M24: 31,925,682 km (0.114 R)
• M25: 35,275,627 km (0.054 R)
• M26: 35,819,415 km (0.078 R)
• M27: 36,812,146 km (0.111 R)
• M28: 37,710,033 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.1

Radius: 3.5

Gravity: 24.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 16.55 AU - 21.55 AU

Year: 29497 Days

Day: 23.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,125,106 km

• M1: 43,533 km (0.088 R)
• M2: 186,698 km (0.099 R)
• M3: 466,895 km (0.111 R)
• M4: 1,472,641 km (0.106 R)
• M5: 3,971,375 km (0.083 R)
• M6: 5,180,425 km (0.112 R)
• M7: 6,482,973 km (0.114 R)
• M8: 8,715,572 km (0.075 R)
• M9: 9,541,801 km (0.101 R)
• M10: 10,298,916 km (0.096 R)
• M11: 21,142,368 km (0.064 R)
• M12: 32,613,832 km (0.118 R)
• M13: 32,872,636 km (0.082 R)
• M14: 35,128,273 km (0.097 R)
• M15: 67,095,543 km (0.065 R)
• M16: 74,451,419 km (0.118 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 19,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit