🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.1 AU - 1.66 AU

Year: 570 Days

Day: 27.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.01 AU - 3.37 AU

Year: 2002 Days

Day: 14.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.75 AU - 4.23 AU

Year: 2801 Days

Day: 42.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,254,080 km

• M1: 41,289 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.7

Radius: 8.4

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.11 AU - 6.17 AU

Year: 4708 Days

Day: 6.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,254,080 km

• M1: 104,419 km (0.094 R)
• M2: 506,838 km (0.088 R)
• M3: 1,073,963 km (0.101 R)
• M4: 1,633,310 km (0.072 R)
• M5: 3,021,727 km (0.051 R)
• M6: 3,407,989 km (0.107 R)
• M7: 4,084,919 km (0.094 R)
• M8: 4,848,467 km (0.085 R)
• M9: 6,104,341 km (0.084 R)
• M10: 6,457,841 km (0.112 R)
• M11: 6,723,527 km (0.116 R)
• M12: 7,785,372 km (0.114 R)
• M13: 8,632,396 km (0.051 R)
• M14: 9,078,347 km (0.098 R)
• M15: 9,667,912 km (0.073 R)
• M16: 10,830,437 km (0.069 R)
• M17: 12,385,956 km (0.044 R)
• M18: 12,953,530 km (0.079 R)
• M19: 13,809,828 km (0.112 R)
• M20: 14,760,523 km (0.077 R)
• M21: 15,106,243 km (0.043 R)
• M22: 16,359,126 km (0.066 R)
• M23: 16,729,530 km (0.059 R)
• M24: 19,549,450 km (0.085 R)
• M25: 23,132,169 km (0.073 R)
• M26: 24,631,888 km (0.098 R)
• M27: 26,532,529 km (0.071 R)
• M28: 27,562,211 km (0.105 R)
• M29: 31,947,672 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.6

Radius: 5.3

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 12.33 AU - 13.97 AU

Year: 16760 Days

Day: 17.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,254,080 km

• M1: 66,421 km (0.106 R)
• M2: 255,064 km (0.107 R)
• M3: 516,561 km (0.082 R)
• M4: 2,915,962 km (0.056 R)
• M5: 4,182,906 km (0.102 R)
• M6: 4,937,478 km (0.12 R)
• M7: 5,452,842 km (0.093 R)
• M8: 6,671,167 km (0.093 R)
• M9: 8,725,296 km (0.113 R)
• M10: 9,021,051 km (0.089 R)
• M11: 9,895,450 km (0.116 R)
• M12: 10,656,754 km (0.053 R)
• M13: 24,677,964 km (0.12 R)
• M14: 34,570,422 km (0.115 R)
• M15: 38,246,341 km (0.101 R)
• M16: 39,438,038 km (0.067 R)
• M17: 44,307,897 km (0.118 R)
• M18: 55,723,860 km (0.088 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 19,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit