🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 12.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 7.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,536,637 km

• M1: 158,125 km (0.031 R)
• M2: 602,131 km (0.109 R)
• M3: 1,304,045 km (0.092 R)
• M4: 1,769,892 km (0.048 R)
• M5: 2,312,185 km (0.034 R)
• M6: 2,840,714 km (0.114 R)
• M7: 3,773,157 km (0.067 R)
• M8: 4,277,153 km (0.11 R)
• M9: 4,959,319 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 10.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.69 AU - 1.03 AU

Year: 532 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,536,637 km

• M1: 130,599 km (0.114 R)
• M2: 477,217 km (0.115 R)
• M3: 813,513 km (0.108 R)
• M4: 1,156,691 km (0.088 R)
• M5: 1,839,156 km (0.113 R)
• M6: 2,212,104 km (0.086 R)
• M7: 2,862,406 km (0.05 R)
• M8: 3,333,489 km (0.12 R)
• M9: 3,671,730 km (0.108 R)
• M10: 4,215,967 km (0.074 R)
• M11: 4,915,636 km (0.11 R)
• M12: 5,309,228 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 9.8

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.79 AU - 1.79 AU

Year: 1597 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,536,637 km

• M1: 121,922 km (0.059 R)
• M2: 611,107 km (0.086 R)
• M3: 1,225,655 km (0.059 R)
• M4: 1,799,064 km (0.091 R)
• M5: 2,311,586 km (0.09 R)
• M6: 2,948,724 km (0.109 R)
• M7: 3,630,142 km (0.099 R)
• M8: 4,671,194 km (0.091 R)
• M9: 5,506,099 km (0.085 R)
• M10: 8,671,889 km (0.114 R)
• M11: 9,078,347 km (0.107 R)
• M12: 10,031,435 km (0.078 R)
• M13: 11,342,361 km (0.084 R)
• M14: 13,005,590 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 9.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.59 AU - 2.11 AU

Year: 1678 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,536,637 km

• M1: 121,174 km (0.085 R)
• M2: 423,811 km (0.102 R)
• M3: 962,064 km (0.113 R)
• M4: 1,310,627 km (0.06 R)
• M5: 1,624,932 km (0.113 R)
• M6: 2,215,395 km (0.107 R)
• M7: 2,770,104 km (0.044 R)
• M8: 3,252,258 km (0.103 R)
• M9: 3,887,450 km (0.101 R)
• M10: 4,420,916 km (0.116 R)
• M11: 5,383,579 km (0.099 R)
• M12: 5,892,660 km (0.101 R)
• M13: 6,249,750 km (0.113 R)
• M14: 6,740,132 km (0.06 R)
• M15: 7,771,909 km (0.115 R)
• M16: 8,619,381 km (0.092 R)
• M17: 9,588,027 km (0.084 R)
• M18: 11,023,568 km (0.089 R)
• M19: 11,327,102 km (0.111 R)
• M20: 11,670,878 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 12.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.14 AU - 2.36 AU

Year: 2251 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 102.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,536,637 km

• M1: 159,920 km (0.107 R)
• M2: 691,142 km (0.105 R)
• M3: 1,357,601 km (0.079 R)
• M4: 2,201,482 km (0.096 R)
• M5: 2,761,277 km (0.112 R)
• M6: 4,067,267 km (0.116 R)
• M7: 5,815,019 km (0.061 R)
• M8: 6,395,907 km (0.106 R)
• M9: 6,893,021 km (0.103 R)
• M10: 8,457,516 km (0.062 R)
• M11: 9,412,997 km (0.101 R)
• M12: 10,633,417 km (0.12 R)
• M13: 11,607,448 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.5

Radius: 7.3

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.8 AU - 8.12 AU

Year: 12245 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,536,637 km

• M1: 91,554 km (0.088 R)
• M2: 449,093 km (0.069 R)
• M3: 1,099,844 km (0.057 R)
• M4: 3,327,057 km (0.108 R)
• M5: 3,617,127 km (0.112 R)
• M6: 4,278,499 km (0.114 R)
• M7: 5,653,603 km (0.117 R)
• M8: 6,665,034 km (0.11 R)
• M9: 7,611,091 km (0.078 R)
• M10: 7,883,957 km (0.063 R)
• M11: 8,841,085 km (0.098 R)
• M12: 9,092,110 km (0.104 R)
• M13: 11,629,439 km (0.102 R)
• M14: 12,549,765 km (0.114 R)
• M15: 16,872,396 km (0.107 R)
• M16: 18,373,162 km (0.101 R)
• M17: 19,960,844 km (0.055 R)
• M18: 22,371,464 km (0.046 R)
• M19: 23,791,148 km (0.077 R)
• M20: 25,370,602 km (0.095 R)
• M21: 26,392,655 km (0.058 R)
• M22: 33,228,380 km (0.087 R)
• M23: 35,450,507 km (0.095 R)
• M24: 47,752,388 km (0.093 R)
• M25: 52,193,201 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit