🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.51 AU - 0.65 AU

Year: 169 Days

Day: 30.5 Hours

Environment

Temp: 178 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.96 AU - 1.5 AU

Year: 522 Days

Day: 31.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,832,471 km

• M1: 387,159 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.58 AU - 2.22 AU

Year: 1003 Days

Day: 31.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,832,471 km

• M1: 50,714 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.68 AU - 3.84 AU

Year: 2254 Days

Day: 34.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,832,471 km

• M1: 37,250 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.86 AU - 3.96 AU

Year: 2411 Days

Day: 35.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,832,471 km

• M1: 23,188 km (0.107 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.04 AU - 5.02 AU

Year: 3098 Days

Day: 35.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,832,471 km

• M1: 50,265 km (0.084 R)

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.5

Radius: 11.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.13 AU - 6.15 AU

Year: 5128 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,832,471 km

• M1: 148,850 km (0.082 R)
• M2: 594,053 km (0.026 R)
• M3: 1,004,400 km (0.098 R)
• M4: 1,540,559 km (0.045 R)
• M5: 2,085,245 km (0.1 R)
• M6: 2,534,338 km (0.045 R)
• M7: 3,340,221 km (0.055 R)
• M8: 6,477,588 km (0.082 R)
• M9: 6,932,665 km (0.113 R)
• M10: 7,408,984 km (0.107 R)
• M11: 9,010,429 km (0.03 R)
• M12: 9,413,895 km (0.072 R)
• M13: 10,563,704 km (0.115 R)
• M14: 16,112,289 km (0.097 R)
• M15: 16,950,187 km (0.077 R)
• M16: 18,648,123 km (0.096 R)
• M17: 23,879,411 km (0.107 R)
• M18: 24,654,028 km (0.103 R)
• M19: 26,009,235 km (0.117 R)
• M20: 26,829,331 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 9.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.26 AU - 8.64 AU

Year: 9405 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,832,471 km

• M1: 121,773 km (0.036 R)
• M2: 704,905 km (0.083 R)
• M3: 1,207,554 km (0.047 R)
• M4: 1,541,606 km (0.064 R)
• M5: 4,377,982 km (0.055 R)
• M6: 5,266,443 km (0.069 R)
• M7: 5,891,613 km (0.115 R)
• M8: 6,938,499 km (0.034 R)
• M9: 7,653,128 km (0.09 R)
• M10: 10,317,167 km (0.106 R)
• M11: 12,695,324 km (0.083 R)
• M12: 13,009,629 km (0.087 R)
• M13: 14,717,588 km (0.077 R)
• M14: 15,895,821 km (0.119 R)
• M15: 19,389,829 km (0.116 R)
• M16: 22,821,604 km (0.093 R)
• M17: 24,639,966 km (0.119 R)
• M18: 28,652,630 km (0.087 R)
• M19: 32,491,610 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.6

Radius: 5.8

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.24 AU - 17.34 AU

Year: 22892 Days

Day: 24.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,832,471 km

• M1: 75,697 km (0.108 R)
• M2: 275,559 km (0.074 R)
• M3: 536,458 km (0.059 R)
• M4: 744,100 km (0.111 R)
• M5: 1,042,847 km (0.05 R)
• M6: 1,596,658 km (0.051 R)
• M7: 4,395,485 km (0.116 R)
• M8: 5,447,906 km (0.104 R)
• M9: 9,372,755 km (0.112 R)
• M10: 10,240,573 km (0.075 R)
• M11: 13,519,908 km (0.03 R)
• M12: 13,955,237 km (0.07 R)
• M13: 16,932,235 km (0.076 R)
• M14: 18,746,408 km (0.098 R)
• M15: 37,142,010 km (0.082 R)
• M16: 39,153,054 km (0.072 R)
• M17: 45,620,170 km (0.092 R)
• M18: 57,351,336 km (0.081 R)
• M19: 61,998,594 km (0.025 R)
• M20: 62,596,686 km (0.1 R)
• M21: 69,860,111 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 10,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit