🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 12.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 579 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,652,444 km

• M1: 156,779 km (0.092 R)
• M2: 583,880 km (0.086 R)
• M3: 1,150,557 km (0.067 R)
• M4: 1,697,188 km (0.06 R)
• M5: 2,338,215 km (0.066 R)
• M6: 2,855,524 km (0.073 R)
• M7: 3,313,892 km (0.072 R)
• M8: 4,250,375 km (0.076 R)
• M9: 4,898,881 km (0.047 R)
• M10: 5,594,960 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 9.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.8 AU - 1.02 AU

Year: 589 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,652,444 km

• M1: 116,836 km (0.06 R)
• M2: 411,843 km (0.104 R)
• M3: 760,406 km (0.082 R)
• M4: 1,299,258 km (0.112 R)
• M5: 1,673,701 km (0.08 R)
• M6: 2,068,490 km (0.027 R)
• M7: 2,438,146 km (0.048 R)
• M8: 2,883,649 km (0.047 R)
• M9: 3,781,236 km (0.063 R)
• M10: 4,380,226 km (0.113 R)
• M11: 4,672,839 km (0.106 R)
• M12: 5,104,579 km (0.093 R)
• M13: 6,047,943 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 10.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.93 AU - 3.01 AU

Year: 3472 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,652,444 km

• M1: 130,749 km (0.116 R)
• M2: 482,603 km (0.082 R)
• M3: 864,077 km (0.026 R)
• M4: 1,590,973 km (0.059 R)
• M5: 2,063,254 km (0.086 R)
• M6: 2,555,580 km (0.054 R)
• M7: 3,852,744 km (0.094 R)
• M8: 4,226,738 km (0.093 R)
• M9: 4,690,043 km (0.105 R)
• M10: 5,400,334 km (0.071 R)
• M11: 6,024,007 km (0.083 R)
• M12: 6,695,103 km (0.069 R)
• M13: 7,063,413 km (0.034 R)
• M14: 7,535,394 km (0.099 R)
• M15: 8,059,585 km (0.119 R)
• M16: 9,851,917 km (0.049 R)
• M17: 10,592,876 km (0.104 R)
• M18: 12,395,231 km (0.069 R)
• M19: 15,250,306 km (0.086 R)
• M20: 15,889,687 km (0.032 R)
• M21: 16,804,478 km (0.105 R)
• M22: 18,187,511 km (0.095 R)
• M23: 18,572,426 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 14

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.11 AU - 6.35 AU

Year: 8112 Days

Day: 14.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,652,444 km

• M1: 174,132 km (0.089 R)
• M2: 726,298 km (0.096 R)
• M3: 1,202,617 km (0.11 R)
• M4: 2,924,339 km (0.086 R)
• M5: 4,042,882 km (0.108 R)
• M6: 4,701,113 km (0.118 R)
• M7: 7,040,674 km (0.109 R)
• M8: 8,076,789 km (0.065 R)
• M9: 9,568,280 km (0.061 R)
• M10: 12,814,554 km (0.05 R)
• M11: 13,945,962 km (0.088 R)
• M12: 16,734,018 km (0.038 R)
• M13: 18,154,599 km (0.117 R)
• M14: 20,097,427 km (0.114 R)
• M15: 21,701,864 km (0.11 R)
• M16: 22,414,997 km (0.083 R)
• M17: 26,306,786 km (0.118 R)
• M18: 27,483,373 km (0.117 R)
• M19: 28,412,226 km (0.086 R)
• M20: 29,650,896 km (0.079 R)
• M21: 37,509,572 km (0.1 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: 527 - 12,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit