🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.73 AU - 1.19 AU

Year: 337 Days

Day: 29.2 Hours

Environment

Temp: 152 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.16 AU - 1.52 AU

Year: 556 Days

Day: 47.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,386,362 km

• M1: 264,339 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.01 AU - 3.19 AU

Year: 1502 Days

Day: 37.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.99 AU - 4.65 AU

Year: 2674 Days

Day: 28.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,386,362 km

• M1: 831,615 km (0.095 R)
• M2: 1,762,861 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502

Radius: 5.3

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 13.21 AU - 16.77 AU

Year: 20786 Days

Day: 20.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,386,362 km

• M1: 65,973 km (0.098 R)
• M2: 312,809 km (0.093 R)
• M3: 1,609,523 km (0.073 R)
• M4: 2,263,865 km (0.094 R)
• M5: 3,159,058 km (0.113 R)
• M6: 4,110,201 km (0.118 R)
• M7: 5,055,660 km (0.038 R)
• M8: 5,313,118 km (0.104 R)
• M9: 5,735,283 km (0.066 R)
• M10: 6,179,439 km (0.113 R)
• M11: 6,689,867 km (0.081 R)
• M12: 10,125,681 km (0.029 R)
• M13: 10,713,751 km (0.046 R)
• M14: 12,952,184 km (0.117 R)
• M15: 14,000,266 km (0.066 R)
• M16: 15,560,871 km (0.039 R)
• M17: 15,948,928 km (0.112 R)
• M18: 16,825,273 km (0.033 R)
• M19: 20,282,779 km (0.079 R)
• M20: 20,932,931 km (0.096 R)
• M21: 22,176,837 km (0.099 R)
• M22: 22,372,511 km (0.081 R)
• M23: 22,866,783 km (0.034 R)
• M24: 24,601,669 km (0.106 R)
• M25: 28,216,253 km (0.04 R)
• M26: 29,260,147 km (0.115 R)
• M27: 32,799,034 km (0.104 R)
• M28: 34,473,932 km (0.099 R)
• M29: 37,161,009 km (0.063 R)
• M30: 48,974,304 km (0.062 R)
• M31: 56,994,395 km (0.119 R)
• M32: 58,473,021 km (0.113 R)
• M33: 60,547,494 km (0.078 R)
• M34: 68,297,711 km (0.101 R)
• M35: 70,386,397 km (0.117 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 15,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit