🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 9.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.46 AU - 0.6 AU

Year: 271 Days

Day: 14.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 9,101,175 km

• M1: 121,473 km (0.098 R)
• M2: 423,512 km (0.093 R)
• M3: 820,395 km (0.077 R)
• M4: 1,273,227 km (0.047 R)
• M5: 1,620,743 km (0.119 R)
• M6: 1,914,404 km (0.08 R)
• M7: 2,312,783 km (0.104 R)
• M8: 3,307,609 km (0.117 R)
• M9: 3,667,392 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 14.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.74 AU - 0.74 AU

Year: 447 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 9,101,175 km

• M1: 181,612 km (0.072 R)
• M2: 663,915 km (0.057 R)
• M3: 1,232,986 km (0.046 R)
• M4: 2,582,658 km (0.044 R)
• M5: 3,304,318 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 9.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.54 AU - 1.86 AU

Year: 1558 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 9,101,175 km

• M1: 117,135 km (0.115 R)
• M2: 587,770 km (0.103 R)
• M3: 941,419 km (0.039 R)
• M4: 2,123,542 km (0.064 R)
• M5: 3,618,623 km (0.088 R)
• M6: 5,503,556 km (0.115 R)
• M7: 7,675,268 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 14.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.7 AU - 3.5 AU

Year: 3837 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 9,101,175 km

• M1: 185,352 km (0.059 R)
• M2: 683,513 km (0.045 R)
• M3: 1,165,667 km (0.093 R)
• M4: 1,884,185 km (0.093 R)
• M5: 2,522,669 km (0.114 R)
• M6: 3,072,291 km (0.09 R)
• M7: 4,111,398 km (0.055 R)
• M8: 5,196,282 km (0.097 R)
• M9: 6,377,656 km (0.092 R)
• M10: 6,879,408 km (0.118 R)
• M11: 7,763,830 km (0.039 R)
• M12: 9,010,878 km (0.116 R)
• M13: 10,030,836 km (0.09 R)
• M14: 11,000,829 km (0.076 R)
• M15: 14,538,819 km (0.106 R)
• M16: 15,834,336 km (0.115 R)
• M17: 17,036,954 km (0.12 R)
• M18: 17,489,038 km (0.078 R)
• M19: 20,946,544 km (0.102 R)
• M20: 22,597,806 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.7

Radius: 14.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.57 AU - 4.09 AU

Year: 4271 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 117.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 9,101,175 km

• M1: 182,659 km (0.106 R)
• M2: 1,088,923 km (0.046 R)
• M3: 1,584,989 km (0.067 R)
• M4: 2,337,467 km (0.076 R)
• M5: 2,899,656 km (0.042 R)
• M6: 3,386,746 km (0.025 R)
• M7: 4,903,669 km (0.088 R)
• M8: 6,770,650 km (0.12 R)
• M9: 7,999,148 km (0.102 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: 458 - 16,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit