🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.88 AU - 1.4 AU

Year: 449 Days

Day: 16.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 43.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 10.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.75 AU - 7.03 AU

Year: 6673 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,093,834 km

• M1: 126,859 km (0.106 R)
• M2: 1,138,290 km (0.108 R)
• M3: 2,620,655 km (0.118 R)
• M4: 4,122,169 km (0.062 R)
• M5: 4,792,368 km (0.114 R)
• M6: 7,884,406 km (0.115 R)
• M7: 14,175,296 km (0.111 R)
• M8: 18,277,269 km (0.061 R)
• M9: 20,844,070 km (0.074 R)
• M10: 26,103,033 km (0.094 R)
• M11: 27,863,950 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 8.5

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.46 AU - 11.96 AU

Year: 12932 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,093,834 km

• M1: 108,758 km (0.108 R)
• M2: 960,568 km (0.084 R)
• M3: 1,299,108 km (0.118 R)
• M4: 2,241,275 km (0.085 R)
• M5: 2,956,952 km (0.048 R)
• M6: 3,405,296 km (0.042 R)
• M7: 11,241,532 km (0.117 R)
• M8: 12,996,913 km (0.066 R)
• M9: 24,383,555 km (0.111 R)
• M10: 26,999,872 km (0.029 R)
• M11: 29,584,176 km (0.088 R)
• M12: 31,322,054 km (0.12 R)
• M13: 31,655,358 km (0.077 R)
• M14: 35,720,232 km (0.104 R)
• M15: 38,192,636 km (0.118 R)
• M16: 41,574,295 km (0.078 R)
• M17: 44,029,047 km (0.119 R)
• M18: 45,433,771 km (0.117 R)
• M19: 49,075,881 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.9

Radius: 4.5

Gravity: 30.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.1 AU - 14.36 AU

Year: 16758 Days

Day: 24.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,093,834 km

• M1: 56,698 km (0.077 R)
• M2: 386,860 km (0.095 R)
• M3: 530,773 km (0.059 R)
• M4: 1,047,933 km (0.113 R)
• M5: 1,498,971 km (0.056 R)
• M6: 1,691,952 km (0.105 R)
• M7: 1,919,490 km (0.05 R)
• M8: 3,681,304 km (0.102 R)
• M9: 5,787,194 km (0.114 R)
• M10: 10,127,327 km (0.101 R)
• M11: 11,114,374 km (0.086 R)
• M12: 11,600,417 km (0.118 R)
• M13: 12,877,385 km (0.108 R)
• M14: 13,076,649 km (0.05 R)
• M15: 13,278,008 km (0.054 R)
• M16: 16,630,197 km (0.091 R)
• M17: 22,363,984 km (0.054 R)
• M18: 36,443,088 km (0.109 R)
• M19: 37,648,399 km (0.11 R)
• M20: 46,996,021 km (0.086 R)
• M21: 52,201,130 km (0.097 R)
• M22: 58,501,145 km (0.066 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 14,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit