🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.54 AU - 0.58 AU

Year: 190 Days

Day: 32.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 20.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.46 AU - 0.76 AU

Year: 216 Days

Day: 15.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,307,123 km

• M1: 376,388 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.64 AU - 0.8 AU

Year: 277 Days

Day: 46.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.96 AU - 1.24 AU

Year: 523 Days

Day: 46.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.17 AU - 1.23 AU

Year: 596 Days

Day: 27.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.13 AU - 1.79 AU

Year: 799 Days

Day: 42.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.38 AU - 1.76 AU

Year: 891 Days

Day: 41.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511

Radius: 10.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.7 AU - 3.02 AU

Year: 2191 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,307,123 km

• M1: 137,181 km (0.106 R)
• M2: 501,302 km (0.112 R)
• M3: 1,063,790 km (0.097 R)
• M4: 1,632,562 km (0.081 R)
• M5: 2,894,120 km (0.082 R)
• M6: 3,737,104 km (0.093 R)
• M7: 4,197,118 km (0.107 R)
• M8: 5,298,158 km (0.085 R)
• M9: 6,025,802 km (0.07 R)
• M10: 6,581,708 km (0.098 R)
• M11: 7,883,808 km (0.111 R)
• M12: 8,705,549 km (0.118 R)
• M13: 11,064,857 km (0.112 R)
• M14: 11,438,852 km (0.025 R)
• M15: 12,652,689 km (0.051 R)
• M16: 14,833,526 km (0.045 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 9.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.76 AU - 5.86 AU

Year: 4779 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,307,123 km

• M1: 123,119 km (0.044 R)
• M2: 445,054 km (0.086 R)
• M3: 1,044,642 km (0.112 R)
• M4: 1,648,569 km (0.05 R)
• M5: 2,715,201 km (0.1 R)
• M6: 3,214,559 km (0.051 R)
• M7: 3,774,205 km (0.116 R)
• M8: 4,660,572 km (0.101 R)
• M9: 5,298,308 km (0.116 R)
• M10: 5,935,296 km (0.118 R)
• M11: 8,444,201 km (0.11 R)
• M12: 9,081,040 km (0.06 R)
• M13: 10,922,141 km (0.119 R)
• M14: 11,587,701 km (0.045 R)
• M15: 12,046,219 km (0.079 R)
• M16: 13,295,212 km (0.12 R)
• M17: 13,696,433 km (0.114 R)
• M18: 15,002,273 km (0.102 R)
• M19: 17,739,465 km (0.109 R)
• M20: 19,353,177 km (0.109 R)
• M21: 19,803,766 km (0.075 R)
• M22: 20,860,226 km (0.114 R)
• M23: 21,265,936 km (0.111 R)
• M24: 22,514,779 km (0.075 R)
• M25: 22,870,223 km (0.119 R)
• M26: 23,446,773 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371

Radius: 4.5

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.32 AU - 12.36 AU

Year: 17300 Days

Day: 16.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,307,123 km

• M1: 130,898 km (0.107 R)
• M2: 814,261 km (0.067 R)
• M3: 1,529,638 km (0.106 R)
• M4: 1,847,833 km (0.115 R)
• M5: 2,975,053 km (0.115 R)
• M6: 4,374,092 km (0.106 R)
• M7: 4,847,719 km (0.097 R)
• M8: 6,593,077 km (0.073 R)
• M9: 8,718,115 km (0.089 R)
• M10: 9,987,603 km (0.105 R)
• M11: 11,031,197 km (0.063 R)
• M12: 13,855,156 km (0.113 R)
• M13: 19,850,441 km (0.105 R)
• M14: 26,545,245 km (0.059 R)
• M15: 34,479,467 km (0.104 R)
• M16: 35,710,209 km (0.113 R)
• M17: 37,998,906 km (0.058 R)
• M18: 41,063,120 km (0.064 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit