🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 39.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 14.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.8 AU - 1.14 AU

Year: 627 Days

Day: 7.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,558,124 km

• M1: 185,352 km (0.111 R)
• M2: 653,144 km (0.08 R)
• M3: 1,168,958 km (0.083 R)
• M4: 2,003,115 km (0.074 R)
• M5: 2,520,275 km (0.03 R)
• M6: 3,384,053 km (0.081 R)
• M7: 3,998,153 km (0.055 R)
• M8: 5,026,040 km (0.119 R)
• M9: 5,921,682 km (0.1 R)
• M10: 6,398,451 km (0.109 R)
• M11: 7,321,769 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 14.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.8 AU - 1.3 AU

Year: 706 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,558,124 km

• M1: 182,809 km (0.087 R)
• M2: 705,653 km (0.085 R)
• M3: 1,289,234 km (0.061 R)
• M4: 2,676,755 km (0.028 R)
• M5: 3,201,095 km (0.115 R)
• M6: 3,751,466 km (0.078 R)
• M7: 4,224,793 km (0.114 R)
• M8: 4,958,571 km (0.073 R)
• M9: 5,795,272 km (0.051 R)
• M10: 7,314,737 km (0.115 R)
• M11: 8,302,083 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860

Radius: 4

Gravity: 53.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.8 AU - 9.74 AU

Year: 15602 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,558,124 km

• M1: 49,816 km (0.11 R)
• M2: 266,135 km (0.086 R)
• M3: 448,345 km (0.091 R)
• M4: 648,507 km (0.1 R)
• M5: 831,016 km (0.102 R)
• M6: 1,047,185 km (0.07 R)
• M7: 1,314,217 km (0.08 R)
• M8: 1,479,523 km (0.111 R)
• M9: 1,608,476 km (0.105 R)
• M10: 2,263,865 km (0.041 R)
• M11: 2,413,911 km (0.077 R)
• M12: 2,830,242 km (0.083 R)
• M13: 3,863,814 km (0.119 R)
• M14: 4,268,775 km (0.042 R)
• M15: 5,461,220 km (0.117 R)
• M16: 5,850,474 km (0.099 R)
• M17: 6,051,832 km (0.111 R)
• M18: 6,859,661 km (0.094 R)
• M19: 10,107,879 km (0.028 R)
• M20: 10,339,457 km (0.079 R)
• M21: 13,263,946 km (0.117 R)
• M22: 13,611,611 km (0.103 R)
• M23: 14,544,204 km (0.075 R)
• M24: 17,847,176 km (0.092 R)
• M25: 18,270,986 km (0.067 R)
• M26: 20,398,717 km (0.043 R)
• M27: 21,905,467 km (0.083 R)
• M28: 22,784,803 km (0.066 R)
• M29: 25,563,583 km (0.044 R)
• M30: 28,560,178 km (0.083 R)
• M31: 31,535,979 km (0.118 R)
• M32: 32,530,207 km (0.103 R)
• M33: 33,673,434 km (0.069 R)
• M34: 44,725,275 km (0.12 R)
• M35: 45,979,205 km (0.096 R)
• M36: 46,614,996 km (0.038 R)
• M37: 55,240,959 km (0.081 R)
• M38: 61,546,359 km (0.103 R)
• M39: 64,871,471 km (0.097 R)
• M40: 66,073,191 km (0.111 R)
• M41: 69,349,833 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 19,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit