🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 8.9

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,318,672 km

• M1: 110,702 km (0.084 R)
• M2: 476,918 km (0.075 R)
• M3: 812,316 km (0.091 R)
• M4: 1,112,410 km (0.109 R)
• M5: 1,742,217 km (0.028 R)
• M6: 2,116,810 km (0.065 R)
• M7: 3,008,264 km (0.049 R)
• M8: 3,503,433 km (0.094 R)
• M9: 4,184,252 km (0.09 R)
• M10: 4,485,842 km (0.047 R)
• M11: 4,980,712 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 14.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.61 AU - 1.01 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,318,672 km

• M1: 185,352 km (0.109 R)
• M2: 692,339 km (0.083 R)
• M3: 1,234,631 km (0.092 R)
• M4: 2,474,349 km (0.09 R)
• M5: 4,128,303 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 14.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.7 AU - 2.48 AU

Year: 2049 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,318,672 km

• M1: 180,265 km (0.08 R)
• M2: 925,263 km (0.113 R)
• M3: 2,291,540 km (0.097 R)
• M4: 2,874,822 km (0.11 R)
• M5: 3,646,897 km (0.054 R)
• M6: 4,142,365 km (0.078 R)
• M7: 5,436,985 km (0.048 R)
• M8: 6,061,257 km (0.036 R)
• M9: 6,901,399 km (0.101 R)
• M10: 8,130,644 km (0.103 R)
• M11: 11,335,629 km (0.104 R)
• M12: 12,065,667 km (0.101 R)
• M13: 12,569,512 km (0.068 R)
• M14: 14,822,456 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 4.3

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.46 AU - 7.54 AU

Year: 11240 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,318,672 km

• M1: 53,556 km (0.036 R)
• M2: 244,742 km (0.113 R)
• M3: 385,813 km (0.073 R)
• M4: 563,984 km (0.094 R)
• M5: 872,904 km (0.076 R)
• M6: 1,175,091 km (0.118 R)
• M7: 1,505,104 km (0.066 R)
• M8: 1,834,668 km (0.104 R)
• M9: 2,080,009 km (0.077 R)
• M10: 2,693,210 km (0.108 R)
• M11: 3,199,450 km (0.106 R)
• M12: 3,352,039 km (0.061 R)
• M13: 4,642,321 km (0.098 R)
• M14: 6,198,139 km (0.085 R)
• M15: 6,714,700 km (0.04 R)
• M16: 7,334,185 km (0.095 R)
• M17: 9,644,575 km (0.047 R)
• M18: 17,850,766 km (0.085 R)
• M19: 20,342,318 km (0.11 R)
• M20: 23,544,461 km (0.051 R)
• M21: 27,337,814 km (0.117 R)
• M22: 29,094,542 km (0.095 R)
• M23: 32,322,116 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.5

Radius: 4.6

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.84 AU - 11.4 AU

Year: 18680 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,318,672 km

• M1: 57,296 km (0.071 R)
• M2: 438,621 km (0.113 R)
• M3: 634,744 km (0.119 R)
• M4: 1,234,482 km (0.058 R)
• M5: 1,997,132 km (0.078 R)
• M6: 2,248,905 km (0.06 R)
• M7: 2,959,794 km (0.115 R)
• M8: 4,015,506 km (0.06 R)
• M9: 4,167,049 km (0.107 R)
• M10: 4,481,354 km (0.111 R)
• M11: 6,134,859 km (0.061 R)
• M12: 6,458,888 km (0.11 R)
• M13: 6,837,071 km (0.08 R)
• M14: 7,499,790 km (0.043 R)
• M15: 8,548,022 km (0.112 R)
• M16: 9,003,697 km (0.106 R)
• M17: 10,524,958 km (0.094 R)
• M18: 21,294,210 km (0.116 R)
• M19: 22,603,640 km (0.111 R)
• M20: 23,571,239 km (0.114 R)
• M21: 24,364,856 km (0.072 R)
• M22: 26,215,381 km (0.117 R)
• M23: 27,282,912 km (0.085 R)
• M24: 40,717,548 km (0.065 R)
• M25: 43,021,356 km (0.083 R)
• M26: 44,205,124 km (0.075 R)
• M27: 50,451,134 km (0.12 R)
• M28: 52,099,702 km (0.096 R)
• M29: 57,437,803 km (0.05 R)
• M30: 58,691,733 km (0.115 R)
• M31: 60,883,341 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 10,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit