🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.5 AU - 0.52 AU

Year: 134 Days

Day: 17 Hours

Environment

Temp: 257 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.62 AU - 0.68 AU

Year: 192 Days

Day: 40.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.35 AU - 4.93 AU

Year: 3092 Days

Day: 44.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,259,046 km

• M1: 39,494 km (0.11 R)
• M2: 2,903,545 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 10.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.45 AU - 5.33 AU

Year: 3970 Days

Day: 5.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,259,046 km

• M1: 129,402 km (0.047 R)
• M2: 612,154 km (0.104 R)
• M3: 952,041 km (0.073 R)
• M4: 1,346,830 km (0.092 R)
• M5: 1,725,013 km (0.085 R)
• M6: 2,071,033 km (0.113 R)
• M7: 3,347,402 km (0.077 R)
• M8: 4,807,776 km (0.081 R)
• M9: 5,552,774 km (0.118 R)
• M10: 11,811,500 km (0.109 R)
• M11: 16,177,364 km (0.095 R)
• M12: 16,969,934 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.6

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.22 AU - 7.4 AU

Year: 5819 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,259,046 km

• M1: 177,872 km (0.119 R)
• M2: 730,486 km (0.11 R)
• M3: 1,402,630 km (0.066 R)
• M4: 2,085,095 km (0.091 R)
• M5: 2,788,205 km (0.074 R)
• M6: 3,924,850 km (0.034 R)
• M7: 4,575,152 km (0.113 R)
• M8: 5,600,346 km (0.098 R)
• M9: 7,199,398 km (0.102 R)
• M10: 8,177,917 km (0.114 R)
• M11: 9,809,731 km (0.079 R)
• M12: 10,571,932 km (0.042 R)
• M13: 11,146,837 km (0.085 R)
• M14: 11,836,034 km (0.107 R)
• M15: 15,491,608 km (0.082 R)
• M16: 18,289,387 km (0.1 R)
• M17: 18,797,272 km (0.057 R)
• M18: 20,108,048 km (0.07 R)
• M19: 24,178,008 km (0.11 R)
• M20: 25,334,100 km (0.06 R)
• M21: 26,526,844 km (0.069 R)
• M22: 27,425,030 km (0.079 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: 162 - 17,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit