🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.23 AU - 1.81 AU

Year: 665 Days

Day: 44.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.68 AU - 4.96 AU

Year: 3185 Days

Day: 26.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 8.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.08 AU - 5.84 AU

Year: 4526 Days

Day: 6.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 104,504,918 km

• M1: 102,475 km (0.096 R)
• M2: 383,120 km (0.099 R)
• M3: 706,102 km (0.073 R)
• M4: 1,135,897 km (0.046 R)
• M5: 1,416,393 km (0.113 R)
• M6: 1,883,736 km (0.063 R)
• M7: 2,493,797 km (0.069 R)
• M8: 2,991,509 km (0.079 R)
• M9: 4,040,638 km (0.094 R)
• M10: 4,332,354 km (0.105 R)
• M11: 4,705,451 km (0.063 R)
• M12: 6,115,112 km (0.094 R)
• M13: 6,557,024 km (0.077 R)
• M14: 7,199,098 km (0.037 R)
• M15: 8,306,272 km (0.101 R)
• M16: 10,384,486 km (0.053 R)
• M17: 10,854,074 km (0.11 R)
• M18: 11,836,034 km (0.094 R)
• M19: 12,610,353 km (0.076 R)
• M20: 13,281,149 km (0.088 R)
• M21: 13,694,787 km (0.07 R)
• M22: 15,235,945 km (0.104 R)
• M23: 19,294,685 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.4

Radius: 7.1

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 14.18 AU - 22.12 AU

Year: 27432 Days

Day: 24 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 104,504,918 km

• M1: 88,712 km (0.105 R)
• M2: 317,746 km (0.097 R)
• M3: 657,483 km (0.086 R)
• M4: 1,014,423 km (0.116 R)
• M5: 2,031,389 km (0.093 R)
• M6: 2,259,825 km (0.056 R)
• M7: 2,768,907 km (0.068 R)
• M8: 4,265,185 km (0.108 R)
• M9: 5,638,793 km (0.091 R)
• M10: 5,908,817 km (0.088 R)
• M11: 6,572,433 km (0.118 R)
• M12: 7,128,039 km (0.075 R)
• M13: 9,166,161 km (0.111 R)
• M14: 13,140,378 km (0.102 R)
• M15: 18,425,521 km (0.088 R)
• M16: 21,207,742 km (0.105 R)
• M17: 22,083,189 km (0.071 R)
• M18: 23,325,749 km (0.094 R)
• M19: 26,446,809 km (0.038 R)
• M20: 30,107,619 km (0.046 R)
• M21: 30,381,383 km (0.082 R)
• M22: 32,344,256 km (0.058 R)
• M23: 34,990,044 km (0.11 R)
• M24: 36,988,373 km (0.07 R)
• M25: 42,229,085 km (0.107 R)
• M26: 47,387,370 km (0.073 R)
• M27: 60,224,961 km (0.111 R)
• M28: 64,213,091 km (0.081 R)
• M29: 64,894,509 km (0.075 R)
• M30: 66,967,487 km (0.104 R)
• M31: 72,220,018 km (0.114 R)
• M32: 77,227,507 km (0.082 R)
• M33: 95,386,594 km (0.065 R)
• M34: 96,273,410 km (0.102 R)
• M35: 101,403,570 km (0.116 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 10,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit