🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.74 AU - 1.14 AU

Year: 349 Days

Day: 18.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 44.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.87 AU - 1.39 AU

Year: 460 Days

Day: 22.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 92.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.52 AU - 1.56 AU

Year: 732 Days

Day: 45 Hours

Environment

Temp: -53 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.2

Radius: 9.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.02 AU - 5.62 AU

Year: 4052 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,761,468 km

• M1: 123,119 km (0.088 R)
• M2: 482,902 km (0.067 R)
• M3: 799,301 km (0.087 R)
• M4: 1,565,991 km (0.085 R)
• M5: 2,261,621 km (0.106 R)
• M6: 2,613,475 km (0.054 R)
• M7: 3,428,783 km (0.073 R)
• M8: 3,780,039 km (0.075 R)
• M9: 4,175,725 km (0.109 R)
• M10: 4,555,405 km (0.12 R)
• M11: 5,758,471 km (0.069 R)
• M12: 6,338,312 km (0.076 R)
• M13: 6,812,537 km (0.067 R)
• M14: 7,832,346 km (0.113 R)
• M15: 8,378,977 km (0.03 R)
• M16: 9,019,854 km (0.119 R)
• M17: 9,838,902 km (0.107 R)
• M18: 10,590,781 km (0.112 R)
• M19: 14,313,674 km (0.097 R)
• M20: 14,887,531 km (0.094 R)
• M21: 15,979,596 km (0.05 R)
• M22: 16,859,381 km (0.062 R)
• M23: 17,284,388 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.62 AU - 7.06 AU

Year: 6849 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,761,468 km

• M1: 99,483 km (0.098 R)
• M2: 376,239 km (0.085 R)
• M3: 630,705 km (0.074 R)
• M4: 937,380 km (0.114 R)
• M5: 1,247,646 km (0.048 R)
• M6: 1,540,110 km (0.116 R)
• M7: 2,050,837 km (0.041 R)
• M8: 2,796,583 km (0.095 R)
• M9: 3,386,746 km (0.094 R)
• M10: 3,962,997 km (0.076 R)
• M11: 5,424,868 km (0.09 R)
• M12: 5,779,863 km (0.046 R)
• M13: 7,110,836 km (0.106 R)
• M14: 7,682,000 km (0.061 R)
• M15: 9,368,716 km (0.119 R)
• M16: 9,923,874 km (0.102 R)
• M17: 10,410,516 km (0.087 R)
• M18: 12,265,380 km (0.081 R)
• M19: 16,493,464 km (0.107 R)
• M20: 17,113,548 km (0.059 R)
• M21: 21,310,516 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 10,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit