🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.64 AU - 0.78 AU

Year: 224 Days

Day: 24.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.91 AU - 1.21 AU

Year: 409 Days

Day: 22 Hours

Environment

Temp: 16 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,407,077 km

• M1: 1,064,987 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.29 AU - 1.43 AU

Year: 594 Days

Day: 46.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,407,077 km

• M1: 37,848 km (0.095 R)

Asteroid Belt

Center: 7.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.6

Radius: 6.5

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 12.74 AU - 14.1 AU

Year: 18423 Days

Day: 17 Hours

Environment

Temp: -191 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,407,077 km

• M1: 80,783 km (0.104 R)
• M2: 293,810 km (0.099 R)
• M3: 724,951 km (0.12 R)
• M4: 1,033,422 km (0.05 R)
• M5: 1,320,351 km (0.11 R)
• M6: 2,015,532 km (0.095 R)
• M7: 2,704,580 km (0.114 R)
• M8: 3,875,183 km (0.058 R)
• M9: 5,311,622 km (0.079 R)
• M10: 8,853,651 km (0.08 R)
• M11: 10,853,026 km (0.113 R)
• M12: 12,296,347 km (0.07 R)
• M13: 12,922,114 km (0.035 R)
• M14: 16,290,011 km (0.118 R)
• M15: 16,539,092 km (0.115 R)
• M16: 17,044,583 km (0.111 R)
• M17: 17,822,043 km (0.052 R)
• M18: 20,296,392 km (0.027 R)
• M19: 22,577,161 km (0.074 R)
• M20: 28,592,641 km (0.106 R)
• M21: 29,812,761 km (0.098 R)
• M22: 31,067,139 km (0.091 R)
• M23: 31,578,465 km (0.087 R)
• M24: 31,965,774 km (0.118 R)
• M25: 35,040,758 km (0.108 R)
• M26: 36,720,892 km (0.1 R)
• M27: 39,043,399 km (0.079 R)
• M28: 41,001,186 km (0.106 R)
• M29: 41,616,632 km (0.094 R)
• M30: 42,865,624 km (0.093 R)
• M31: 44,948,475 km (0.102 R)
• M32: 50,712,930 km (0.048 R)
• M33: 51,958,033 km (0.119 R)
• M34: 52,859,660 km (0.104 R)
• M35: 59,073,955 km (0.113 R)
• M36: 68,308,183 km (0.065 R)
• M37: 77,284,504 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 19,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit