🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.62 AU

Year: 140 Days

Day: 14.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.61 AU - 0.91 AU

Year: 241 Days

Day: 15.4 Hours

Environment

Temp: 178 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.9 AU - 0.96 AU

Year: 326 Days

Day: 32.3 Hours

Environment

Temp: 167 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.01 AU - 1.43 AU

Year: 490 Days

Day: 23.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,376,439 km

• M1: 31,864 km (0.046 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.57 AU - 1.93 AU

Year: 841 Days

Day: 17.9 Hours

Environment

Temp: -47 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,376,439 km

• M1: 198,516 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.41 AU - 2.11 AU

Year: 849 Days

Day: 15.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 11.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.59 AU - 11.47 AU

Year: 10692 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,376,439 km

• M1: 144,212 km (0.079 R)
• M2: 700,118 km (0.115 R)
• M3: 1,068,877 km (0.084 R)
• M4: 1,533,677 km (0.117 R)
• M5: 1,927,269 km (0.12 R)
• M6: 2,515,638 km (0.09 R)
• M7: 3,753,261 km (0.065 R)
• M8: 4,452,481 km (0.108 R)
• M9: 5,145,269 km (0.067 R)
• M10: 5,809,035 km (0.105 R)
• M11: 6,352,524 km (0.089 R)
• M12: 7,308,006 km (0.102 R)
• M13: 8,023,831 km (0.092 R)
• M14: 8,399,023 km (0.105 R)
• M15: 11,890,936 km (0.047 R)
• M16: 12,489,926 km (0.11 R)
• M17: 14,592,076 km (0.068 R)
• M18: 17,608,717 km (0.06 R)
• M19: 18,603,842 km (0.109 R)
• M20: 21,334,452 km (0.111 R)
• M21: 23,296,727 km (0.116 R)
• M22: 27,672,016 km (0.092 R)
• M23: 28,724,586 km (0.086 R)
• M24: 34,500,411 km (0.108 R)
• M25: 35,495,685 km (0.1 R)
• M26: 36,623,803 km (0.096 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 16,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit