🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 274 Days

Day: 26.1 Hours

Environment

Temp: 116 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,953,647 km

• M1: 17,802 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.21 AU - 1.61 AU

Year: 586 Days

Day: 43.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,953,647 km

• M1: 67,469 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.2 AU - 1.74 AU

Year: 624 Days

Day: 45.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,953,647 km

• M1: 55,052 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 10

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.68 AU - 10.74 AU

Year: 11413 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,953,647 km

• M1: 124,465 km (0.076 R)
• M2: 609,911 km (0.104 R)
• M3: 1,082,640 km (0.07 R)
• M4: 1,609,823 km (0.033 R)
• M5: 2,165,878 km (0.078 R)
• M6: 3,882,065 km (0.057 R)
• M7: 5,817,861 km (0.077 R)
• M8: 7,750,516 km (0.085 R)
• M9: 8,753,121 km (0.082 R)
• M10: 11,425,837 km (0.105 R)
• M11: 12,279,891 km (0.095 R)
• M12: 15,864,106 km (0.07 R)
• M13: 18,825,396 km (0.028 R)
• M14: 21,813,314 km (0.116 R)
• M15: 22,792,881 km (0.093 R)
• M16: 23,972,460 km (0.089 R)
• M17: 34,039,350 km (0.055 R)
• M18: 35,356,260 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 9.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.83 AU - 11.97 AU

Year: 11733 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,953,647 km

• M1: 121,174 km (0.084 R)
• M2: 754,123 km (0.08 R)
• M3: 1,163,722 km (0.091 R)
• M4: 1,937,292 km (0.114 R)
• M5: 2,250,999 km (0.075 R)
• M6: 3,489,370 km (0.105 R)
• M7: 5,681,129 km (0.071 R)
• M8: 6,140,843 km (0.037 R)
• M9: 7,065,507 km (0.065 R)
• M10: 8,118,377 km (0.115 R)
• M11: 9,998,074 km (0.111 R)
• M12: 19,463,880 km (0.03 R)
• M13: 24,267,617 km (0.112 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit