🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.41 AU - 0.63 AU

Year: 141 Days

Day: 19.1 Hours

Environment

Temp: 147 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.65 AU - 1.79 AU

Year: 845 Days

Day: 26.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 11.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.31 AU - 7.03 AU

Year: 5059 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,327,813 km

• M1: 139,276 km (0.12 R)
• M2: 665,262 km (0.11 R)
• M3: 1,064,090 km (0.087 R)
• M4: 1,724,564 km (0.049 R)
• M5: 2,508,008 km (0.05 R)
• M6: 3,056,733 km (0.11 R)
• M7: 3,882,065 km (0.06 R)
• M8: 5,589,575 km (0.101 R)
• M9: 8,377,331 km (0.051 R)
• M10: 8,918,576 km (0.114 R)
• M11: 9,565,737 km (0.066 R)
• M12: 11,367,194 km (0.043 R)
• M13: 11,838,876 km (0.032 R)
• M14: 13,541,300 km (0.087 R)
• M15: 14,615,712 km (0.037 R)
• M16: 15,401,101 km (0.032 R)
• M17: 16,511,715 km (0.111 R)
• M18: 17,863,482 km (0.113 R)
• M19: 19,891,580 km (0.104 R)
• M20: 25,908,107 km (0.111 R)
• M21: 28,070,544 km (0.09 R)
• M22: 29,020,790 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.5

Radius: 4.6

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.31 AU - 18.53 AU

Year: 22691 Days

Day: 23.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,327,813 km

• M1: 69,413 km (0.117 R)
• M2: 766,539 km (0.078 R)
• M3: 995,574 km (0.098 R)
• M4: 1,655,899 km (0.08 R)
• M5: 2,962,487 km (0.086 R)
• M6: 5,731,543 km (0.1 R)
• M7: 6,237,782 km (0.092 R)
• M8: 8,269,022 km (0.073 R)
• M9: 8,415,030 km (0.064 R)
• M10: 8,863,524 km (0.1 R)
• M11: 10,082,148 km (0.105 R)
• M12: 11,468,322 km (0.057 R)
• M13: 11,833,790 km (0.11 R)
• M14: 12,332,998 km (0.103 R)
• M15: 14,191,452 km (0.113 R)
• M16: 18,369,721 km (0.118 R)
• M17: 22,438,783 km (0.051 R)
• M18: 24,281,530 km (0.11 R)
• M19: 29,268,225 km (0.106 R)
• M20: 36,050,244 km (0.116 R)
• M21: 38,164,362 km (0.103 R)
• M22: 43,074,164 km (0.066 R)
• M23: 43,808,240 km (0.096 R)
• M24: 45,150,582 km (0.063 R)
• M25: 45,604,013 km (0.092 R)
• M26: 47,603,987 km (0.091 R)
• M27: 49,822,524 km (0.05 R)
• M28: 50,631,250 km (0.065 R)
• M29: 54,806,676 km (0.102 R)
• M30: 55,841,744 km (0.115 R)
• M31: 59,386,465 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 11,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit