🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.67 AU - 0.81 AU

Year: 267 Days

Day: 40.4 Hours

Environment

Temp: -4 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.56 AU - 2.8 AU

Year: 1838 Days

Day: 44 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,801,548 km

• M1: 1,363,435 km (0.109 R)
• M2: 1,859,202 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.8

Radius: 12.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.69 AU - 5.43 AU

Year: 4769 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,801,548 km

• M1: 155,432 km (0.092 R)
• M2: 640,877 km (0.069 R)
• M3: 1,058,555 km (0.101 R)
• M4: 1,591,422 km (0.096 R)
• M5: 2,043,357 km (0.068 R)
• M6: 2,616,018 km (0.101 R)
• M7: 3,588,105 km (0.101 R)
• M8: 6,397,553 km (0.111 R)
• M9: 7,099,167 km (0.063 R)
• M10: 7,814,544 km (0.105 R)
• M11: 10,207,212 km (0.096 R)
• M12: 12,844,623 km (0.056 R)
• M13: 14,071,924 km (0.114 R)
• M14: 14,742,421 km (0.096 R)
• M15: 16,758,552 km (0.11 R)
• M16: 18,618,353 km (0.085 R)
• M17: 20,612,043 km (0.106 R)
• M18: 24,939,162 km (0.116 R)
• M19: 25,756,116 km (0.054 R)
• M20: 27,963,881 km (0.091 R)
• M21: 28,756,600 km (0.079 R)
• M22: 30,850,821 km (0.049 R)
• M23: 31,792,390 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 12.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.51 AU - 10.05 AU

Year: 11844 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,801,548 km

• M1: 160,519 km (0.119 R)
• M2: 821,592 km (0.045 R)
• M3: 1,623,286 km (0.073 R)
• M4: 2,070,584 km (0.03 R)
• M5: 3,293,696 km (0.059 R)
• M6: 4,545,382 km (0.032 R)
• M7: 5,114,003 km (0.094 R)
• M8: 7,234,254 km (0.074 R)
• M9: 8,466,940 km (0.112 R)
• M10: 8,891,649 km (0.118 R)
• M11: 14,222,120 km (0.093 R)
• M12: 14,959,787 km (0.093 R)
• M13: 20,015,447 km (0.112 R)
• M14: 22,790,338 km (0.087 R)
• M15: 25,226,240 km (0.075 R)
• M16: 33,570,061 km (0.116 R)
• M17: 44,288,599 km (0.086 R)
• M18: 46,734,375 km (0.058 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: 425 - 10,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit