🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 14.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 6.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,620,420 km

• M1: 176,974 km (0.112 R)
• M2: 651,948 km (0.045 R)
• M3: 1,126,921 km (0.06 R)
• M4: 1,698,983 km (0.069 R)
• M5: 2,377,260 km (0.083 R)
• M6: 2,844,155 km (0.033 R)
• M7: 3,450,475 km (0.08 R)
• M8: 4,041,536 km (0.111 R)
• M9: 4,576,049 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 13.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.22 AU - 1.72 AU

Year: 1209 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,620,420 km

• M1: 169,195 km (0.107 R)
• M2: 655,687 km (0.112 R)
• M3: 1,471,445 km (0.088 R)
• M4: 2,092,874 km (0.118 R)
• M5: 3,027,562 km (0.061 R)
• M6: 3,510,613 km (0.094 R)
• M7: 4,224,494 km (0.09 R)
• M8: 4,812,863 km (0.099 R)
• M9: 5,860,048 km (0.119 R)
• M10: 6,328,140 km (0.117 R)
• M11: 8,945,504 km (0.037 R)
• M12: 9,684,368 km (0.07 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.5

Radius: 7.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.91 AU - 9.37 AU

Year: 15752 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,620,420 km

• M1: 99,333 km (0.096 R)
• M2: 813,663 km (0.068 R)
• M3: 1,462,319 km (0.103 R)
• M4: 1,735,485 km (0.106 R)
• M5: 2,400,298 km (0.033 R)
• M6: 4,200,708 km (0.06 R)
• M7: 5,592,567 km (0.098 R)
• M8: 6,379,003 km (0.108 R)
• M9: 7,023,022 km (0.055 R)
• M10: 14,255,032 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 7.5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.6 AU - 11.74 AU

Year: 20395 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,620,420 km

• M1: 93,499 km (0.11 R)
• M2: 446,699 km (0.097 R)
• M3: 735,274 km (0.108 R)
• M4: 1,011,880 km (0.077 R)
• M5: 1,418,337 km (0.055 R)
• M6: 3,180,301 km (0.112 R)
• M7: 4,023,435 km (0.108 R)
• M8: 5,117,893 km (0.099 R)
• M9: 5,614,857 km (0.105 R)
• M10: 6,441,834 km (0.072 R)
• M11: 9,297,807 km (0.1 R)
• M12: 11,378,115 km (0.091 R)
• M13: 12,290,961 km (0.116 R)
• M14: 12,628,454 km (0.063 R)
• M15: 21,228,686 km (0.076 R)
• M16: 23,013,837 km (0.077 R)
• M17: 24,682,751 km (0.1 R)
• M18: 29,927,652 km (0.054 R)
• M19: 32,167,432 km (0.109 R)
• M20: 33,458,910 km (0.1 R)
• M21: 35,596,514 km (0.048 R)
• M22: 36,559,625 km (0.092 R)
• M23: 39,994,093 km (0.1 R)
• M24: 41,486,631 km (0.112 R)
• M25: 43,015,671 km (0.086 R)
• M26: 44,899,856 km (0.091 R)
• M27: 45,862,219 km (0.075 R)
• M28: 46,348,562 km (0.088 R)
• M29: 48,161,239 km (0.076 R)
• M30: 56,069,880 km (0.097 R)
• M31: 60,816,471 km (0.102 R)
• M32: 63,588,221 km (0.101 R)
• M33: 72,846,085 km (0.12 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: 357 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit