🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.64 AU

Year: 148 Days

Day: 34.7 Hours

Environment

Temp: 186 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,140,676 km

• M1: 95,294 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.45 AU - 0.67 AU

Year: 152 Days

Day: 26.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.72 AU - 1.08 AU

Year: 309 Days

Day: 38.1 Hours

Environment

Temp: 87 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 61,140,676 km

• M1: 116,986 km (0.102 R)
• M2: 151,692 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.29 AU - 1.39 AU

Year: 561 Days

Day: 18.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.46 AU - 3.38 AU

Year: 1805 Days

Day: 21.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.78 AU - 3.94 AU

Year: 2227 Days

Day: 38.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,140,676 km

• M1: 152,590 km (0.059 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.99 AU - 4.49 AU

Year: 3157 Days

Day: 26.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.9 AU - 4.8 AU

Year: 3281 Days

Day: 40.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,140,676 km

• M1: 432,787 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 9.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.83 AU - 12.97 AU

Year: 14846 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,140,676 km

• M1: 122,521 km (0.093 R)
• M2: 424,559 km (0.097 R)
• M3: 1,107,623 km (0.083 R)
• M4: 1,902,287 km (0.065 R)
• M5: 2,603,452 km (0.082 R)
• M6: 3,210,370 km (0.067 R)
• M7: 4,480,755 km (0.103 R)
• M8: 5,606,180 km (0.075 R)
• M9: 5,905,376 km (0.075 R)
• M10: 6,294,480 km (0.064 R)
• M11: 6,825,702 km (0.085 R)
• M12: 7,167,384 km (0.061 R)
• M13: 7,701,448 km (0.09 R)
• M14: 8,502,993 km (0.053 R)
• M15: 9,204,009 km (0.073 R)
• M16: 11,008,907 km (0.043 R)
• M17: 18,226,855 km (0.115 R)
• M18: 19,991,661 km (0.106 R)
• M19: 21,139,526 km (0.031 R)
• M20: 25,555,056 km (0.118 R)
• M21: 26,172,895 km (0.117 R)
• M22: 28,304,516 km (0.071 R)
• M23: 29,637,582 km (0.08 R)
• M24: 34,135,242 km (0.069 R)
• M25: 34,758,916 km (0.038 R)
• M26: 36,936,612 km (0.062 R)
• M27: 38,932,397 km (0.104 R)
• M28: 39,476,485 km (0.079 R)
• M29: 41,139,265 km (0.105 R)
• M30: 41,703,698 km (0.09 R)
• M31: 45,199,650 km (0.111 R)
• M32: 49,998,152 km (0.065 R)
• M33: 54,784,835 km (0.117 R)
• M34: 55,639,786 km (0.083 R)
• M35: 57,201,289 km (0.1 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 15,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit