🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.5 AU - 0.76 AU

Year: 180 Days

Day: 18.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.31 AU - 1.37 AU

Year: 558 Days

Day: 41.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 99,785,477 km

• M1: 28,573 km (0.113 R)
• M2: 369,208 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.62 AU - 1.94 AU

Year: 855 Days

Day: 44.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.35 AU - 4.87 AU

Year: 2999 Days

Day: 14.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.7

Radius: 4

Gravity: 48.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 15.49 AU - 21.25 AU

Year: 28336 Days

Day: 18.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 99,785,477 km

• M1: 49,816 km (0.119 R)
• M2: 239,955 km (0.028 R)
• M3: 575,204 km (0.064 R)
• M4: 701,913 km (0.088 R)
• M5: 986,598 km (0.093 R)
• M6: 1,126,322 km (0.111 R)
• M7: 2,432,162 km (0.063 R)
• M8: 2,907,435 km (0.083 R)
• M9: 4,216,865 km (0.116 R)
• M10: 4,511,872 km (0.098 R)
• M11: 4,899,629 km (0.093 R)
• M12: 5,060,746 km (0.096 R)
• M13: 6,243,318 km (0.113 R)
• M14: 6,626,288 km (0.092 R)
• M15: 10,077,661 km (0.038 R)
• M16: 12,666,901 km (0.087 R)
• M17: 13,435,983 km (0.113 R)
• M18: 13,593,510 km (0.054 R)
• M19: 14,073,420 km (0.07 R)
• M20: 16,643,212 km (0.1 R)
• M21: 17,099,934 km (0.102 R)
• M22: 19,109,482 km (0.063 R)
• M23: 19,610,186 km (0.116 R)
• M24: 19,812,892 km (0.092 R)
• M25: 22,026,342 km (0.115 R)
• M26: 23,023,561 km (0.115 R)
• M27: 26,317,557 km (0.12 R)
• M28: 29,512,518 km (0.101 R)
• M29: 32,529,758 km (0.073 R)
• M30: 34,112,653 km (0.102 R)
• M31: 34,848,974 km (0.075 R)
• M32: 43,143,727 km (0.073 R)
• M33: 44,701,190 km (0.089 R)
• M34: 45,052,296 km (0.111 R)
• M35: 48,295,578 km (0.115 R)
• M36: 48,665,235 km (0.089 R)
• M37: 55,849,523 km (0.075 R)
• M38: 56,666,028 km (0.107 R)
• M39: 58,742,297 km (0.095 R)
• M40: 72,757,074 km (0.051 R)
• M41: 75,455,820 km (0.12 R)
• M42: 77,459,833 km (0.06 R)
• M43: 82,360,958 km (0.063 R)
• M44: 94,207,913 km (0.048 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 19,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit