🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.64 AU - 0.66 AU

Year: 185 Days

Day: 24.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.87 AU - 0.89 AU

Year: 291 Days

Day: 39.7 Hours

Environment

Temp: 180 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.82 AU - 1.36 AU

Year: 402 Days

Day: 16.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 12.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.32 AU - 8.38 AU

Year: 6330 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,069,226 km

• M1: 158,723 km (0.104 R)
• M2: 680,670 km (0.118 R)
• M3: 1,449,903 km (0.066 R)
• M4: 2,127,431 km (0.105 R)
• M5: 3,587,507 km (0.041 R)
• M6: 4,916,833 km (0.061 R)
• M7: 6,518,578 km (0.071 R)
• M8: 7,170,226 km (0.087 R)
• M9: 7,640,711 km (0.058 R)
• M10: 9,135,942 km (0.108 R)
• M11: 9,820,801 km (0.105 R)
• M12: 11,931,627 km (0.047 R)
• M13: 12,960,860 km (0.093 R)
• M14: 16,281,035 km (0.114 R)
• M15: 18,137,246 km (0.09 R)
• M16: 20,416,669 km (0.089 R)
• M17: 22,649,118 km (0.118 R)
• M18: 25,537,553 km (0.088 R)
• M19: 26,211,342 km (0.063 R)
• M20: 27,418,896 km (0.116 R)
• M21: 29,482,748 km (0.114 R)
• M22: 30,505,699 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 20.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.5

Radius: 4.8

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 18.96 AU - 21.98 AU

Year: 32702 Days

Day: 16.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,069,226 km

• M1: 63,280 km (0.068 R)
• M2: 235,766 km (0.025 R)
• M3: 604,675 km (0.034 R)
• M4: 886,218 km (0.102 R)
• M5: 1,534,575 km (0.062 R)
• M6: 3,198,402 km (0.067 R)
• M7: 3,606,057 km (0.065 R)
• M8: 5,114,003 km (0.097 R)
• M9: 5,588,677 km (0.112 R)
• M10: 6,049,289 km (0.112 R)
• M11: 7,733,911 km (0.093 R)
• M12: 11,066,802 km (0.113 R)
• M13: 11,590,843 km (0.031 R)
• M14: 14,694,550 km (0.059 R)
• M15: 18,220,273 km (0.078 R)
• M16: 20,761,791 km (0.066 R)
• M17: 22,477,828 km (0.071 R)
• M18: 26,650,711 km (0.069 R)
• M19: 30,925,321 km (0.081 R)
• M20: 37,208,730 km (0.117 R)
• M21: 39,579,258 km (0.111 R)
• M22: 40,187,224 km (0.079 R)
• M23: 44,782,721 km (0.116 R)
• M24: 45,111,836 km (0.108 R)
• M25: 45,442,747 km (0.114 R)
• M26: 51,859,299 km (0.112 R)
• M27: 54,999,657 km (0.038 R)
• M28: 71,040,887 km (0.109 R)
• M29: 73,070,930 km (0.088 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 13,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit