🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 9.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.17 AU

Year: 637 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,802,301 km

• M1: 117,734 km (0.112 R)
• M2: 427,401 km (0.064 R)
• M3: 820,395 km (0.087 R)
• M4: 1,184,965 km (0.073 R)
• M5: 2,109,629 km (0.075 R)
• M6: 2,530,598 km (0.04 R)
• M7: 3,309,105 km (0.092 R)
• M8: 3,695,815 km (0.103 R)
• M9: 4,282,089 km (0.048 R)
• M10: 4,850,711 km (0.066 R)
• M11: 6,029,243 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 13.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.07 AU - 1.25 AU

Year: 833 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,802,301 km

• M1: 165,455 km (0.099 R)
• M2: 605,572 km (0.11 R)
• M3: 1,051,972 km (0.112 R)
• M4: 1,582,297 km (0.107 R)
• M5: 2,347,789 km (0.079 R)
• M6: 2,802,866 km (0.094 R)
• M7: 3,338,127 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 11.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.71 AU - 1.77 AU

Year: 1531 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,802,301 km

• M1: 147,504 km (0.109 R)
• M2: 626,366 km (0.116 R)
• M3: 1,154,148 km (0.077 R)
• M4: 2,908,332 km (0.074 R)
• M5: 4,492,274 km (0.09 R)
• M6: 5,409,459 km (0.118 R)
• M7: 8,261,094 km (0.059 R)
• M8: 8,712,730 km (0.085 R)
• M9: 9,240,660 km (0.103 R)
• M10: 10,104,289 km (0.113 R)
• M11: 10,819,965 km (0.102 R)
• M12: 11,361,360 km (0.037 R)
• M13: 11,885,252 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.9

Radius: 3.5

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.92 AU - 12.58 AU

Year: 21883 Days

Day: 22.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,802,301 km

• M1: 43,832 km (0.1 R)
• M2: 607,068 km (0.116 R)
• M3: 888,611 km (0.091 R)
• M4: 1,043,595 km (0.084 R)
• M5: 1,690,456 km (0.087 R)
• M6: 2,401,943 km (0.119 R)
• M7: 2,645,788 km (0.07 R)
• M8: 2,905,789 km (0.097 R)
• M9: 3,453,467 km (0.08 R)
• M10: 5,829,679 km (0.089 R)
• M11: 6,444,227 km (0.065 R)
• M12: 6,586,495 km (0.109 R)
• M13: 7,602,115 km (0.081 R)
• M14: 13,161,471 km (0.095 R)
• M15: 16,816,745 km (0.055 R)
• M16: 17,018,852 km (0.12 R)
• M17: 21,329,814 km (0.1 R)
• M18: 22,206,757 km (0.114 R)
• M19: 33,489,877 km (0.075 R)
• M20: 36,442,640 km (0.116 R)
• M21: 37,121,515 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 13,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit