🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.12 AU - 1.58 AU

Year: 573 Days

Day: 34.4 Hours

Environment

Temp: -17 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.83 AU - 4.45 AU

Year: 2537 Days

Day: 14.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,837,264 km

• M1: 118,631 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.75 AU - 4.63 AU

Year: 3133 Days

Day: 22.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 12.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.88 AU - 8.94 AU

Year: 7367 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,837,264 km

• M1: 160,967 km (0.095 R)
• M2: 648,507 km (0.118 R)
• M3: 1,289,683 km (0.046 R)
• M4: 2,420,194 km (0.101 R)
• M5: 3,582,719 km (0.045 R)
• M6: 4,545,531 km (0.104 R)
• M7: 5,162,174 km (0.119 R)
• M8: 6,740,132 km (0.093 R)
• M9: 8,654,536 km (0.107 R)
• M10: 11,115,720 km (0.084 R)
• M11: 14,605,988 km (0.091 R)
• M12: 16,327,261 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 7.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 11.78 AU - 17.46 AU

Year: 20418 Days

Day: 22.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,837,264 km

• M1: 99,034 km (0.099 R)
• M2: 348,713 km (0.075 R)
• M3: 794,065 km (0.062 R)
• M4: 1,385,575 km (0.078 R)
• M5: 1,887,028 km (0.104 R)
• M6: 2,189,365 km (0.095 R)
• M7: 2,683,187 km (0.106 R)
• M8: 3,296,090 km (0.1 R)
• M9: 3,788,416 km (0.103 R)
• M10: 5,496,675 km (0.116 R)
• M11: 5,836,112 km (0.08 R)
• M12: 7,096,025 km (0.095 R)
• M13: 7,581,321 km (0.097 R)
• M14: 8,262,440 km (0.077 R)
• M15: 8,754,019 km (0.112 R)
• M16: 10,499,826 km (0.108 R)
• M17: 12,009,268 km (0.107 R)
• M18: 12,874,842 km (0.089 R)
• M19: 14,729,706 km (0.063 R)
• M20: 16,968,438 km (0.078 R)
• M21: 21,105,268 km (0.119 R)
• M22: 23,405,933 km (0.096 R)
• M23: 26,919,688 km (0.102 R)
• M24: 40,044,657 km (0.038 R)
• M25: 40,551,944 km (0.115 R)
• M26: 41,838,784 km (0.097 R)
• M27: 43,020,159 km (0.083 R)
• M28: 44,358,461 km (0.046 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 14,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit