🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.45 AU - 0.75 AU

Year: 178 Days

Day: 38.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,100,436 km

• M1: 337,044 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.66 AU - 0.82 AU

Year: 244 Days

Day: 46.7 Hours

Environment

Temp: 174 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,100,436 km

• M1: 44,131 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.11 AU - 1.23 AU

Year: 485 Days

Day: 17.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 46,100,436 km

• M1: 133,740 km (0.098 R)
• M2: 351,405 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.52 AU

Year: 548 Days

Day: 40 Hours

Environment

Temp: -26 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.26 AU - 1.38 AU

Year: 581 Days

Day: 40.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 85.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.38 AU - 2.1 AU

Year: 879 Days

Day: 40.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.84 AU - 4.14 AU

Year: 3052 Days

Day: 44.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,100,436 km

• M1: 48,619 km (0.093 R)

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 12.5

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.35 AU - 7.95 AU

Year: 8101 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,100,436 km

• M1: 155,432 km (0.117 R)
• M2: 557,102 km (0.097 R)
• M3: 972,386 km (0.081 R)
• M4: 1,383,631 km (0.086 R)
• M5: 1,821,653 km (0.084 R)
• M6: 2,501,576 km (0.025 R)
• M7: 3,030,254 km (0.087 R)
• M8: 3,732,467 km (0.091 R)
• M9: 4,426,451 km (0.086 R)
• M10: 6,578,417 km (0.12 R)
• M11: 8,530,519 km (0.072 R)
• M12: 9,212,985 km (0.087 R)
• M13: 11,864,009 km (0.118 R)
• M14: 12,831,458 km (0.03 R)
• M15: 18,473,243 km (0.11 R)
• M16: 20,007,369 km (0.09 R)
• M17: 20,644,357 km (0.099 R)
• M18: 21,791,473 km (0.095 R)
• M19: 22,636,551 km (0.116 R)
• M20: 23,154,010 km (0.073 R)
• M21: 24,844,766 km (0.027 R)
• M22: 25,860,535 km (0.078 R)
• M23: 31,359,005 km (0.107 R)
• M24: 32,873,833 km (0.12 R)
• M25: 34,664,220 km (0.114 R)
• M26: 36,283,468 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 12,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit