🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.38 AU - 0.63 AU

Year: 128 Days

Day: 25.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.64 AU - 1.04 AU

Year: 278 Days

Day: 21.5 Hours

Environment

Temp: 147 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,890,606 km

• M1: 34,108 km (0.077 R)
• M2: 134,638 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.69 AU - 1.09 AU

Year: 304 Days

Day: 48 Hours

Environment

Temp: 102 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.07 AU - 1.09 AU

Year: 406 Days

Day: 38.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 50,890,606 km

• M1: 771,027 km (0.077 R)
• M2: 981,212 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.26 AU - 2.6 AU

Year: 1370 Days

Day: 20.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.72 AU - 3.98 AU

Year: 2217 Days

Day: 14 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,890,606 km

• M1: 36,352 km (0.119 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.2 AU - 4.38 AU

Year: 3213 Days

Day: 13.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,890,606 km

• M1: 41,439 km (0.114 R)

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 12

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.03 AU - 5.17 AU

Year: 4165 Days

Day: 5.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,890,606 km

• M1: 149,299 km (0.03 R)
• M2: 609,911 km (0.092 R)
• M3: 984,204 km (0.053 R)
• M4: 1,668,615 km (0.074 R)
• M5: 2,063,703 km (0.096 R)
• M6: 2,976,250 km (0.099 R)
• M7: 3,367,149 km (0.116 R)
• M8: 4,140,719 km (0.1 R)
• M9: 5,587,780 km (0.108 R)
• M10: 6,426,725 km (0.111 R)
• M11: 9,295,264 km (0.099 R)
• M12: 11,296,434 km (0.09 R)
• M13: 15,245,968 km (0.112 R)
• M14: 16,475,513 km (0.032 R)
• M15: 16,880,175 km (0.103 R)
• M16: 17,830,421 km (0.109 R)
• M17: 18,442,126 km (0.059 R)
• M18: 19,067,894 km (0.085 R)
• M19: 20,229,821 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 11

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.05 AU - 11.25 AU

Year: 10010 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,890,606 km

• M1: 137,032 km (0.06 R)
• M2: 998,267 km (0.093 R)
• M3: 1,994,140 km (0.093 R)
• M4: 2,350,332 km (0.107 R)
• M5: 2,921,796 km (0.089 R)
• M6: 3,385,101 km (0.092 R)
• M7: 3,843,618 km (0.091 R)
• M8: 5,012,875 km (0.068 R)
• M9: 6,988,913 km (0.073 R)
• M10: 7,439,203 km (0.1 R)
• M11: 8,173,130 km (0.051 R)
• M12: 9,735,381 km (0.1 R)
• M13: 12,291,410 km (0.065 R)
• M14: 12,948,892 km (0.103 R)
• M15: 13,946,860 km (0.058 R)
• M16: 15,815,487 km (0.106 R)
• M17: 18,610,873 km (0.097 R)
• M18: 21,548,526 km (0.114 R)
• M19: 21,893,050 km (0.096 R)
• M20: 24,688,286 km (0.093 R)
• M21: 26,514,427 km (0.1 R)
• M22: 28,120,809 km (0.113 R)
• M23: 29,367,408 km (0.091 R)
• M24: 33,789,372 km (0.075 R)
• M25: 34,606,326 km (0.109 R)
• M26: 35,317,065 km (0.044 R)
• M27: 40,567,203 km (0.062 R)
• M28: 50,284,033 km (0.103 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 14,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit