🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 10.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.56 AU - 0.88 AU

Year: 388 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,321,278 km

• M1: 129,402 km (0.108 R)
• M2: 514,617 km (0.075 R)
• M3: 1,039,406 km (0.069 R)
• M4: 1,772,884 km (0.05 R)
• M5: 2,151,367 km (0.114 R)
• M6: 2,501,875 km (0.097 R)
• M7: 3,001,980 km (0.093 R)
• M8: 3,510,314 km (0.119 R)
• M9: 4,255,162 km (0.055 R)
• M10: 4,714,278 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 11.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.07 AU - 1.33 AU

Year: 836 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,321,278 km

• M1: 143,016 km (0.111 R)
• M2: 502,798 km (0.115 R)
• M3: 1,030,131 km (0.119 R)
• M4: 1,482,216 km (0.118 R)
• M5: 2,047,546 km (0.108 R)
• M6: 2,729,264 km (0.103 R)
• M7: 3,335,584 km (0.089 R)
• M8: 3,832,847 km (0.095 R)
• M9: 4,544,634 km (0.098 R)
• M10: 5,551,427 km (0.106 R)
• M11: 6,420,890 km (0.111 R)
• M12: 6,944,333 km (0.106 R)
• M13: 7,807,214 km (0.093 R)
• M14: 8,226,985 km (0.038 R)
• M15: 8,898,081 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.8

Radius: 9.6

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.41 AU - 1.75 AU

Year: 1263 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,321,278 km

• M1: 119,379 km (0.033 R)
• M2: 485,595 km (0.119 R)
• M3: 797,955 km (0.107 R)
• M4: 1,312,123 km (0.078 R)
• M5: 1,650,364 km (0.054 R)
• M6: 1,962,874 km (0.094 R)
• M7: 2,373,969 km (0.082 R)
• M8: 2,696,801 km (0.118 R)
• M9: 3,178,057 km (0.071 R)
• M10: 3,524,975 km (0.059 R)
• M11: 4,118,878 km (0.063 R)
• M12: 4,816,603 km (0.095 R)
• M13: 5,276,018 km (0.117 R)
• M14: 5,655,847 km (0.105 R)
• M15: 6,031,188 km (0.081 R)
• M16: 6,376,160 km (0.114 R)
• M17: 7,361,113 km (0.114 R)
• M18: 7,863,014 km (0.101 R)
• M19: 8,444,201 km (0.105 R)
• M20: 8,876,838 km (0.052 R)
• M21: 9,233,330 km (0.034 R)
• M22: 12,112,192 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 10

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.27 AU - 3.75 AU

Year: 3320 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,321,278 km

• M1: 124,465 km (0.091 R)
• M2: 677,379 km (0.109 R)
• M3: 1,098,048 km (0.091 R)
• M4: 2,528,503 km (0.082 R)
• M5: 3,638,370 km (0.115 R)
• M6: 3,951,478 km (0.039 R)
• M7: 4,506,785 km (0.119 R)
• M8: 5,204,510 km (0.083 R)
• M9: 5,822,948 km (0.067 R)
• M10: 6,410,269 km (0.095 R)
• M11: 6,759,430 km (0.063 R)
• M12: 8,316,594 km (0.069 R)
• M13: 9,780,709 km (0.101 R)
• M14: 10,172,057 km (0.079 R)
• M15: 11,963,791 km (0.104 R)
• M16: 12,494,564 km (0.062 R)
• M17: 13,602,934 km (0.043 R)
• M18: 15,819,526 km (0.074 R)
• M19: 16,911,890 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit