🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.8

Radius: 14.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,148,001 km

• M1: 176,525 km (0.088 R)
• M2: 708,346 km (0.107 R)
• M3: 1,352,066 km (0.095 R)
• M4: 2,477,939 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 12.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.14 AU

Year: 588 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,148,001 km

• M1: 156,779 km (0.088 R)
• M2: 610,210 km (0.063 R)
• M3: 1,168,958 km (0.092 R)
• M4: 1,583,793 km (0.111 R)
• M5: 2,035,429 km (0.037 R)
• M6: 2,736,444 km (0.065 R)
• M7: 3,421,453 km (0.081 R)
• M8: 4,400,721 km (0.099 R)
• M9: 4,998,514 km (0.071 R)
• M10: 5,558,758 km (0.102 R)
• M11: 5,986,907 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 12.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.94 AU - 1.32 AU

Year: 801 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,148,001 km

• M1: 156,629 km (0.114 R)
• M2: 662,868 km (0.07 R)
• M3: 1,059,153 km (0.118 R)
• M4: 1,665,174 km (0.111 R)
• M5: 2,759,931 km (0.091 R)
• M6: 3,170,428 km (0.079 R)
• M7: 4,019,545 km (0.065 R)
• M8: 4,903,669 km (0.112 R)
• M9: 5,700,876 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.2

Radius: 6.8

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.82 AU - 11.44 AU

Year: 19928 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 114.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,148,001 km

• M1: 84,523 km (0.114 R)
• M2: 327,769 km (0.08 R)
• M3: 723,754 km (0.047 R)
• M4: 1,395,449 km (0.066 R)
• M5: 1,842,148 km (0.067 R)
• M6: 2,089,284 km (0.085 R)
• M7: 3,675,919 km (0.09 R)
• M8: 5,461,818 km (0.101 R)
• M9: 6,477,737 km (0.066 R)
• M10: 8,104,165 km (0.104 R)
• M11: 11,750,165 km (0.114 R)
• M12: 13,290,275 km (0.086 R)
• M13: 14,217,931 km (0.082 R)
• M14: 14,511,741 km (0.079 R)
• M15: 15,264,368 km (0.028 R)
• M16: 16,042,726 km (0.088 R)
• M17: 17,176,379 km (0.101 R)
• M18: 17,762,802 km (0.082 R)
• M19: 22,544,250 km (0.053 R)
• M20: 25,768,084 km (0.12 R)
• M21: 26,536,269 km (0.088 R)
• M22: 37,958,066 km (0.076 R)
• M23: 38,523,995 km (0.071 R)
• M24: 41,588,058 km (0.071 R)
• M25: 50,887,062 km (0.065 R)
• M26: 55,652,353 km (0.095 R)
• M27: 61,869,939 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 15,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit