🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.44 AU - 0.72 AU

Year: 167 Days

Day: 25.6 Hours

Environment

Temp: 180 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.84 AU - 1.04 AU

Year: 345 Days

Day: 33.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.11 AU - 1.39 AU

Year: 529 Days

Day: 32.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,399,207 km

• M1: 29,770 km (0.079 R)
• M2: 56,698 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.86 AU - 1.88 AU

Year: 969 Days

Day: 13.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.45 AU - 3.93 AU

Year: 2685 Days

Day: 15 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 6.3

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 13.15 AU - 21.83 AU

Year: 27703 Days

Day: 21.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,399,207 km

• M1: 79,586 km (0.04 R)
• M2: 708,645 km (0.073 R)
• M3: 936,183 km (0.071 R)
• M4: 1,184,366 km (0.064 R)
• M5: 1,443,320 km (0.044 R)
• M6: 1,648,718 km (0.07 R)
• M7: 1,953,000 km (0.096 R)
• M8: 2,750,806 km (0.097 R)
• M9: 3,323,616 km (0.092 R)
• M10: 4,005,932 km (0.072 R)
• M11: 4,557,948 km (0.083 R)
• M12: 11,328,000 km (0.106 R)
• M13: 15,896,719 km (0.091 R)
• M14: 16,318,136 km (0.069 R)
• M15: 16,920,566 km (0.082 R)
• M16: 18,817,019 km (0.097 R)
• M17: 22,285,146 km (0.096 R)
• M18: 26,508,294 km (0.12 R)
• M19: 26,981,622 km (0.082 R)
• M20: 28,435,563 km (0.091 R)
• M21: 34,074,356 km (0.048 R)
• M22: 40,415,062 km (0.102 R)
• M23: 42,637,936 km (0.103 R)
• M24: 44,274,687 km (0.095 R)
• M25: 48,021,964 km (0.098 R)
• M26: 51,791,232 km (0.12 R)
• M27: 52,530,844 km (0.116 R)
• M28: 54,983,201 km (0.118 R)
• M29: 58,503,389 km (0.114 R)
• M30: 58,903,563 km (0.106 R)
• M31: 64,485,957 km (0.115 R)
• M32: 67,076,394 km (0.093 R)
• M33: 67,295,405 km (0.094 R)
• M34: 67,955,132 km (0.099 R)
• M35: 74,556,138 km (0.112 R)
• M36: 78,374,773 km (0.106 R)
• M37: 81,821,209 km (0.116 R)
• M38: 84,344,027 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 16,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit