🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 11.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.79 AU - 0.79 AU

Year: 446 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,880,973 km

• M1: 141,819 km (0.046 R)
• M2: 613,650 km (0.109 R)
• M3: 1,059,751 km (0.09 R)
• M4: 1,611,917 km (0.119 R)
• M5: 2,084,497 km (0.061 R)
• M6: 2,440,839 km (0.105 R)
• M7: 2,879,460 km (0.098 R)
• M8: 4,205,196 km (0.114 R)
• M9: 4,737,017 km (0.104 R)
• M10: 5,297,560 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 14.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.36 AU - 1.36 AU

Year: 1008 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,880,973 km

• M1: 181,612 km (0.027 R)
• M2: 650,302 km (0.1 R)
• M3: 1,607,579 km (0.086 R)
• M4: 2,277,029 km (0.073 R)
• M5: 2,973,258 km (0.118 R)
• M6: 3,703,594 km (0.09 R)
• M7: 4,382,021 km (0.11 R)
• M8: 5,447,307 km (0.102 R)
• M9: 6,370,925 km (0.065 R)
• M10: 7,253,851 km (0.07 R)
• M11: 8,294,454 km (0.067 R)
• M12: 8,878,185 km (0.098 R)
• M13: 9,747,348 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 10.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.21 AU - 4.27 AU

Year: 5551 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,880,973 km

• M1: 130,300 km (0.051 R)
• M2: 502,948 km (0.027 R)
• M3: 835,504 km (0.11 R)
• M4: 1,209,499 km (0.114 R)
• M5: 1,608,776 km (0.083 R)
• M6: 2,457,145 km (0.039 R)
• M7: 2,897,262 km (0.106 R)
• M8: 3,890,891 km (0.105 R)
• M9: 8,739,657 km (0.103 R)
• M10: 16,532,360 km (0.097 R)
• M11: 17,337,944 km (0.096 R)
• M12: 24,592,244 km (0.112 R)
• M13: 25,723,653 km (0.098 R)
• M14: 27,571,187 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.5

Radius: 4.1

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.98 AU - 7.66 AU

Year: 10102 Days

Day: 17.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,880,973 km

• M1: 51,013 km (0.089 R)
• M2: 272,717 km (0.091 R)
• M3: 548,276 km (0.118 R)
• M4: 910,453 km (0.072 R)
• M5: 1,637,199 km (0.101 R)
• M6: 1,953,599 km (0.096 R)
• M7: 2,196,994 km (0.047 R)
• M8: 2,780,875 km (0.12 R)
• M9: 2,970,864 km (0.076 R)
• M10: 3,334,686 km (0.047 R)
• M11: 3,615,332 km (0.119 R)
• M12: 4,897,834 km (0.108 R)
• M13: 5,433,843 km (0.11 R)
• M14: 5,700,876 km (0.069 R)
• M15: 6,070,682 km (0.086 R)
• M16: 6,789,649 km (0.088 R)
• M17: 7,099,616 km (0.114 R)
• M18: 8,124,212 km (0.086 R)
• M19: 9,243,652 km (0.085 R)
• M20: 10,192,402 km (0.101 R)
• M21: 11,015,490 km (0.095 R)
• M22: 11,395,169 km (0.101 R)
• M23: 11,636,919 km (0.068 R)
• M24: 11,783,525 km (0.103 R)
• M25: 13,479,217 km (0.025 R)
• M26: 20,085,459 km (0.109 R)
• M27: 20,651,836 km (0.048 R)
• M28: 23,410,122 km (0.094 R)
• M29: 26,488,397 km (0.057 R)
• M30: 27,774,341 km (0.104 R)
• M31: 28,654,425 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 16,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit