🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 37.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,116,080 km

• M1: 32,313 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 8.7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.82 AU - 0.92 AU

Year: 532 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,116,080 km

• M1: 108,159 km (0.079 R)
• M2: 496,665 km (0.119 R)
• M3: 784,790 km (0.101 R)
• M4: 1,066,034 km (0.115 R)
• M5: 1,611,319 km (0.079 R)
• M6: 2,629,931 km (0.114 R)
• M7: 2,988,217 km (0.106 R)
• M8: 3,693,721 km (0.119 R)
• M9: 5,503,406 km (0.08 R)
• M10: 6,054,076 km (0.072 R)
• M11: 6,461,132 km (0.119 R)
• M12: 6,742,526 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 9.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1 AU - 1.14 AU

Year: 726 Days

Day: 15 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,116,080 km

• M1: 117,584 km (0.12 R)
• M2: 427,551 km (0.07 R)
• M3: 879,037 km (0.108 R)
• M4: 1,249,142 km (0.113 R)
• M5: 1,755,232 km (0.075 R)
• M6: 2,065,947 km (0.08 R)
• M7: 3,142,154 km (0.105 R)
• M8: 3,445,688 km (0.091 R)
• M9: 4,010,121 km (0.088 R)
• M10: 4,322,331 km (0.108 R)
• M11: 4,979,365 km (0.091 R)
• M12: 5,591,520 km (0.118 R)
• M13: 5,982,568 km (0.09 R)
• M14: 6,715,748 km (0.108 R)
• M15: 7,029,604 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.1

Radius: 5.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.65 AU - 8.49 AU

Year: 15039 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,116,080 km

• M1: 275,559 km (0.07 R)
• M2: 578,794 km (0.067 R)
• M3: 1,440,029 km (0.107 R)
• M4: 2,226,764 km (0.055 R)
• M5: 2,740,633 km (0.108 R)
• M6: 4,783,691 km (0.111 R)
• M7: 5,486,053 km (0.051 R)
• M8: 5,815,916 km (0.066 R)
• M9: 7,305,014 km (0.116 R)
• M10: 7,778,491 km (0.065 R)
• M11: 8,118,228 km (0.077 R)
• M12: 9,576,508 km (0.101 R)
• M13: 9,835,462 km (0.039 R)
• M14: 12,279,592 km (0.098 R)
• M15: 12,843,875 km (0.106 R)
• M16: 15,158,752 km (0.085 R)
• M17: 20,522,883 km (0.12 R)
• M18: 21,981,762 km (0.065 R)
• M19: 22,584,192 km (0.051 R)
• M20: 24,537,940 km (0.102 R)
• M21: 32,116,120 km (0.094 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: 493 - 16,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit