🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 28.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 12.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.81 AU - 1.21 AU

Year: 655 Days

Day: 11 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,102,963 km

• M1: 151,842 km (0.119 R)
• M2: 532,269 km (0.08 R)
• M3: 939,774 km (0.115 R)
• M4: 1,364,333 km (0.054 R)
• M5: 1,744,012 km (0.046 R)
• M6: 2,159,744 km (0.086 R)
• M7: 2,683,786 km (0.119 R)
• M8: 3,172,672 km (0.096 R)
• M9: 3,603,663 km (0.083 R)
• M10: 4,464,150 km (0.053 R)
• M11: 4,943,462 km (0.099 R)
• M12: 5,896,998 km (0.05 R)
• M13: 6,689,718 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72

Radius: 15

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.08 AU - 1.54 AU

Year: 968 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,102,963 km

• M1: 189,092 km (0.092 R)
• M2: 762,800 km (0.046 R)
• M3: 1,583,493 km (0.091 R)
• M4: 2,081,505 km (0.069 R)
• M5: 2,931,969 km (0.057 R)
• M6: 3,651,385 km (0.114 R)
• M7: 4,266,531 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 10.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.27 AU - 1.89 AU

Year: 1282 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,102,963 km

• M1: 126,859 km (0.068 R)
• M2: 463,305 km (0.114 R)
• M3: 887,564 km (0.104 R)
• M4: 1,262,456 km (0.094 R)
• M5: 1,588,281 km (0.118 R)
• M6: 2,241,275 km (0.058 R)
• M7: 2,831,888 km (0.118 R)
• M8: 3,222,338 km (0.104 R)
• M9: 4,199,511 km (0.076 R)
• M10: 5,179,228 km (0.086 R)
• M11: 5,853,914 km (0.088 R)
• M12: 6,754,344 km (0.083 R)
• M13: 7,877,973 km (0.107 R)
• M14: 8,371,946 km (0.096 R)
• M15: 9,513,527 km (0.109 R)
• M16: 10,137,649 km (0.031 R)
• M17: 10,788,849 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 15,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit