🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 180 Days

Day: 17.2 Hours

Environment

Temp: 194 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,538,221 km

• M1: 172,786 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.72 AU - 0.76 AU

Year: 224 Days

Day: 14.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 305 Days

Day: 22.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.89 AU - 0.97 AU

Year: 315 Days

Day: 42.9 Hours

Environment

Temp: 98 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,538,221 km

• M1: 581,038 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.04 AU - 1.56 AU

Year: 521 Days

Day: 43 Hours

Environment

Temp: 21 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.83 AU - 2.15 AU

Year: 987 Days

Day: 25.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.82 AU - 2.28 AU

Year: 1032 Days

Day: 40.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.07 AU - 9.77 AU

Year: 7834 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,538,221 km

• M1: 179,069 km (0.109 R)
• M2: 648,806 km (0.12 R)
• M3: 1,219,372 km (0.085 R)
• M4: 2,454,003 km (0.12 R)
• M5: 3,080,220 km (0.072 R)
• M6: 3,714,366 km (0.1 R)
• M7: 6,577,818 km (0.097 R)
• M8: 7,675,867 km (0.093 R)
• M9: 8,804,882 km (0.094 R)
• M10: 10,137,949 km (0.108 R)
• M11: 11,921,604 km (0.109 R)
• M12: 12,467,636 km (0.067 R)
• M13: 13,318,100 km (0.089 R)
• M14: 14,821,259 km (0.078 R)
• M15: 17,112,052 km (0.115 R)
• M16: 18,522,311 km (0.099 R)
• M17: 24,769,667 km (0.069 R)
• M18: 29,836,398 km (0.055 R)
• M19: 30,540,106 km (0.107 R)
• M20: 33,037,194 km (0.115 R)
• M21: 33,790,419 km (0.116 R)
• M22: 34,555,163 km (0.068 R)
• M23: 36,918,511 km (0.039 R)
• M24: 40,235,095 km (0.117 R)
• M25: 41,466,286 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 12.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 12.57 AU - 12.95 AU

Year: 16020 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,538,221 km

• M1: 155,582 km (0.039 R)
• M2: 721,361 km (0.057 R)
• M3: 1,665,772 km (0.097 R)
• M4: 2,351,529 km (0.056 R)
• M5: 2,960,691 km (0.098 R)
• M6: 3,780,338 km (0.114 R)
• M7: 4,288,073 km (0.065 R)
• M8: 5,441,473 km (0.069 R)
• M9: 6,434,803 km (0.084 R)
• M10: 6,954,506 km (0.064 R)
• M11: 7,942,749 km (0.107 R)
• M12: 8,354,143 km (0.072 R)
• M13: 8,924,710 km (0.11 R)
• M14: 11,129,782 km (0.119 R)
• M15: 11,587,851 km (0.076 R)
• M16: 12,178,015 km (0.11 R)
• M17: 20,399,315 km (0.11 R)
• M18: 20,827,016 km (0.06 R)
• M19: 21,260,550 km (0.105 R)
• M20: 26,538,662 km (0.094 R)
• M21: 28,617,923 km (0.073 R)
• M22: 34,528,834 km (0.1 R)
• M23: 36,625,149 km (0.055 R)
• M24: 40,395,015 km (0.082 R)
• M25: 42,443,010 km (0.081 R)
• M26: 43,988,356 km (0.098 R)
• M27: 51,015,118 km (0.101 R)
• M28: 54,547,273 km (0.057 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 17,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit