🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.48 AU - 0.6 AU

Year: 149 Days

Day: 22.5 Hours

Environment

Temp: 178 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.56 AU - 0.72 AU

Year: 193 Days

Day: 23.7 Hours

Environment

Temp: 125 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.77 AU - 1.19 AU

Year: 365 Days

Day: 16 Hours

Environment

Temp: 4 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 13.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.42 AU - 6.72 AU

Year: 4952 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,079,821 km

• M1: 171,439 km (0.115 R)
• M2: 818,600 km (0.084 R)
• M3: 1,457,981 km (0.116 R)
• M4: 2,193,105 km (0.079 R)
• M5: 2,766,513 km (0.085 R)
• M6: 3,459,301 km (0.065 R)
• M7: 4,081,180 km (0.107 R)
• M8: 8,455,571 km (0.03 R)
• M9: 11,089,541 km (0.118 R)
• M10: 11,684,940 km (0.076 R)
• M11: 13,343,831 km (0.103 R)
• M12: 16,352,244 km (0.066 R)
• M13: 20,732,769 km (0.117 R)
• M14: 22,064,340 km (0.091 R)
• M15: 25,365,815 km (0.112 R)
• M16: 25,840,190 km (0.087 R)
• M17: 28,386,196 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.5

Radius: 13.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.26 AU - 10.46 AU

Year: 11664 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,079,821 km

• M1: 165,754 km (0.062 R)
• M2: 623,524 km (0.076 R)
• M3: 1,411,456 km (0.074 R)
• M4: 2,499,631 km (0.041 R)
• M5: 3,175,664 km (0.073 R)
• M6: 3,971,225 km (0.088 R)
• M7: 4,797,305 km (0.07 R)
• M8: 5,516,571 km (0.029 R)
• M9: 6,958,545 km (0.113 R)
• M10: 7,432,321 km (0.076 R)
• M11: 7,927,640 km (0.101 R)
• M12: 9,971,446 km (0.073 R)
• M13: 12,470,628 km (0.092 R)
• M14: 15,506,418 km (0.108 R)
• M15: 17,234,423 km (0.091 R)
• M16: 17,784,943 km (0.096 R)
• M17: 20,540,386 km (0.108 R)
• M18: 22,435,342 km (0.112 R)
• M19: 38,274,316 km (0.05 R)
• M20: 39,755,485 km (0.101 R)
• M21: 43,263,255 km (0.09 R)
• M22: 44,722,433 km (0.113 R)
• M23: 46,972,385 km (0.111 R)
• M24: 48,513,542 km (0.101 R)
• M25: 50,567,371 km (0.087 R)
• M26: 51,049,376 km (0.097 R)
• M27: 55,017,011 km (0.088 R)
• M28: 56,040,110 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 16,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit