🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.85 AU

Year: 220 Days

Day: 47 Hours

Environment

Temp: 176 °C

Axial Tilt: 19.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.84 AU - 1.04 AU

Year: 322 Days

Day: 25.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.24 AU - 2.06 AU

Year: 748 Days

Day: 43 Hours

Environment

Temp: -28 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.47 AU - 2.23 AU

Year: 888 Days

Day: 26.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.43 AU - 3.05 AU

Year: 1601 Days

Day: 47.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.2 AU - 5.42 AU

Year: 3725 Days

Day: 46.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 168.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 18.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.5

Radius: 4.6

Gravity: 43.93 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.94 AU - 22.08 AU

Year: 28120 Days

Day: 23.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 105,720,300 km

• M1: 57,146 km (0.104 R)
• M2: 244,443 km (0.086 R)
• M3: 443,109 km (0.11 R)
• M4: 604,226 km (0.104 R)
• M5: 1,007,990 km (0.105 R)
• M6: 1,393,803 km (0.099 R)
• M7: 1,748,201 km (0.082 R)
• M8: 3,751,765 km (0.06 R)
• M9: 4,029,718 km (0.045 R)
• M10: 4,705,003 km (0.088 R)
• M11: 5,366,076 km (0.081 R)
• M12: 7,024,518 km (0.031 R)
• M13: 8,935,780 km (0.094 R)
• M14: 14,658,647 km (0.077 R)
• M15: 16,511,117 km (0.082 R)
• M16: 18,120,790 km (0.075 R)
• M17: 19,625,296 km (0.11 R)
• M18: 25,361,776 km (0.112 R)
• M19: 31,979,238 km (0.087 R)
• M20: 36,924,494 km (0.104 R)
• M21: 38,356,595 km (0.115 R)
• M22: 39,168,014 km (0.097 R)
• M23: 45,712,173 km (0.117 R)
• M24: 47,734,287 km (0.102 R)
• M25: 52,948,521 km (0.097 R)
• M26: 68,443,868 km (0.119 R)
• M27: 73,795,732 km (0.052 R)
• M28: 76,829,128 km (0.04 R)
• M29: 83,143,355 km (0.092 R)
• M30: 97,991,991 km (0.108 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit