🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.76 AU - 0.92 AU

Year: 278 Days

Day: 44.5 Hours

Environment

Temp: 143 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 9.6

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.39 AU - 7.77 AU

Year: 7547 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,211,121 km

• M1: 126,261 km (0.079 R)
• M2: 452,683 km (0.078 R)
• M3: 833,859 km (0.084 R)
• M4: 1,430,904 km (0.111 R)
• M5: 1,848,282 km (0.062 R)
• M6: 2,437,099 km (0.057 R)
• M7: 2,909,978 km (0.12 R)
• M8: 3,833,595 km (0.089 R)
• M9: 4,531,619 km (0.086 R)
• M10: 6,250,199 km (0.097 R)
• M11: 6,758,832 km (0.062 R)
• M12: 8,803,835 km (0.099 R)
• M13: 9,350,316 km (0.097 R)
• M14: 13,351,012 km (0.055 R)
• M15: 15,923,646 km (0.08 R)
• M16: 17,573,860 km (0.108 R)
• M17: 17,931,549 km (0.085 R)
• M18: 18,367,178 km (0.108 R)
• M19: 19,411,072 km (0.055 R)
• M20: 20,336,933 km (0.094 R)
• M21: 22,443,570 km (0.097 R)
• M22: 23,722,931 km (0.109 R)
• M23: 27,180,886 km (0.094 R)
• M24: 29,731,679 km (0.042 R)
• M25: 30,137,837 km (0.115 R)
• M26: 32,437,905 km (0.107 R)
• M27: 33,850,707 km (0.072 R)
• M28: 36,566,058 km (0.041 R)
• M29: 39,545,599 km (0.074 R)
• M30: 43,070,573 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 14.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.2 AU - 8.54 AU

Year: 7985 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,211,121 km

• M1: 264,190 km (0.085 R)
• M2: 798,404 km (0.098 R)
• M3: 2,096,315 km (0.105 R)
• M4: 3,155,917 km (0.063 R)
• M5: 3,646,299 km (0.062 R)
• M6: 4,455,623 km (0.036 R)
• M7: 7,883,658 km (0.091 R)
• M8: 8,578,690 km (0.09 R)
• M9: 9,126,517 km (0.113 R)
• M10: 10,911,669 km (0.073 R)
• M11: 11,643,352 km (0.119 R)
• M12: 16,405,950 km (0.074 R)
• M13: 21,061,286 km (0.107 R)
• M14: 22,538,116 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 12.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.39 AU - 10.05 AU

Year: 9312 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,211,121 km

• M1: 154,385 km (0.118 R)
• M2: 707,748 km (0.116 R)
• M3: 1,425,369 km (0.114 R)
• M4: 2,053,829 km (0.061 R)
• M5: 2,646,237 km (0.058 R)
• M6: 3,441,349 km (0.112 R)
• M7: 4,150,593 km (0.09 R)
• M8: 4,554,358 km (0.101 R)
• M9: 5,729,598 km (0.108 R)
• M10: 7,559,330 km (0.082 R)
• M11: 8,846,320 km (0.113 R)
• M12: 10,567,743 km (0.09 R)
• M13: 13,178,076 km (0.095 R)
• M14: 14,056,515 km (0.089 R)
• M15: 15,670,975 km (0.077 R)
• M16: 16,126,052 km (0.044 R)
• M17: 22,791,684 km (0.109 R)
• M18: 24,056,834 km (0.084 R)
• M19: 28,133,376 km (0.069 R)
• M20: 29,786,432 km (0.051 R)
• M21: 34,038,153 km (0.054 R)
• M22: 34,802,449 km (0.111 R)
• M23: 39,510,742 km (0.115 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit