🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.84 AU - 2.54 AU

Year: 1196 Days

Day: 20 Hours

Environment

Temp: -89 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.67 AU - 3.17 AU

Year: 1841 Days

Day: 44.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 12.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.96 AU - 6.84 AU

Year: 5288 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,993,915 km

• M1: 154,235 km (0.112 R)
• M2: 552,166 km (0.09 R)
• M3: 1,091,765 km (0.111 R)
• M4: 1,838,109 km (0.102 R)
• M5: 2,239,779 km (0.074 R)
• M6: 3,042,671 km (0.086 R)
• M7: 3,900,316 km (0.076 R)
• M8: 4,573,207 km (0.093 R)
• M9: 5,114,751 km (0.087 R)
• M10: 6,180,187 km (0.055 R)
• M11: 6,781,421 km (0.105 R)
• M12: 7,927,341 km (0.088 R)
• M13: 9,546,139 km (0.114 R)
• M14: 10,186,269 km (0.076 R)
• M15: 10,685,028 km (0.062 R)
• M16: 12,797,350 km (0.117 R)
• M17: 13,329,469 km (0.071 R)
• M18: 13,775,870 km (0.036 R)
• M19: 14,438,139 km (0.098 R)
• M20: 15,390,031 km (0.086 R)
• M21: 17,243,399 km (0.071 R)
• M22: 22,001,658 km (0.055 R)
• M23: 22,486,056 km (0.11 R)
• M24: 23,404,736 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 13.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.78 AU - 11.8 AU

Year: 14936 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,993,915 km

• M1: 167,998 km (0.074 R)
• M2: 605,722 km (0.092 R)
• M3: 1,802,355 km (0.1 R)
• M4: 2,891,278 km (0.109 R)
• M5: 3,324,214 km (0.092 R)
• M6: 3,879,970 km (0.115 R)
• M7: 5,649,414 km (0.099 R)
• M8: 6,445,275 km (0.062 R)
• M9: 7,734,659 km (0.033 R)
• M10: 8,260,346 km (0.103 R)
• M11: 9,630,213 km (0.073 R)
• M12: 10,766,559 km (0.052 R)
• M13: 11,422,994 km (0.086 R)
• M14: 15,660,803 km (0.115 R)
• M15: 17,452,237 km (0.068 R)
• M16: 19,778,035 km (0.042 R)
• M17: 21,868,516 km (0.115 R)
• M18: 24,942,752 km (0.081 R)
• M19: 25,706,001 km (0.11 R)
• M20: 27,178,941 km (0.103 R)
• M21: 27,987,218 km (0.104 R)
• M22: 29,020,042 km (0.098 R)
• M23: 30,185,260 km (0.076 R)
• M24: 32,496,098 km (0.093 R)
• M25: 37,965,995 km (0.07 R)
• M26: 42,924,416 km (0.091 R)
• M27: 43,470,149 km (0.062 R)
• M28: 44,715,252 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 14,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit