🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.55 AU - 0.79 AU

Year: 360 Days

Day: 35.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,097,298 km

• M1: 268,079 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 13.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.62 AU - 0.8 AU

Year: 392 Days

Day: 10.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,097,298 km

• M1: 169,195 km (0.03 R)
• M2: 619,485 km (0.116 R)
• M3: 1,192,295 km (0.093 R)
• M4: 1,625,082 km (0.053 R)
• M5: 3,070,197 km (0.061 R)
• M6: 3,699,555 km (0.088 R)
• M7: 4,266,531 km (0.085 R)
• M8: 4,704,703 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.75 AU - 1.15 AU

Year: 607 Days

Day: 9.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,097,298 km

• M1: 112,049 km (0.106 R)
• M2: 439,219 km (0.103 R)
• M3: 835,205 km (0.082 R)
• M4: 1,140,983 km (0.115 R)
• M5: 1,884,933 km (0.093 R)
• M6: 2,170,516 km (0.12 R)
• M7: 3,014,846 km (0.119 R)
• M8: 3,395,722 km (0.114 R)
• M9: 3,726,034 km (0.037 R)
• M10: 4,783,392 km (0.041 R)
• M11: 5,749,495 km (0.089 R)
• M12: 6,337,564 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 12.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.99 AU - 2.03 AU

Year: 1869 Days

Day: 13.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,097,298 km

• M1: 157,975 km (0.106 R)
• M2: 627,264 km (0.068 R)
• M3: 1,224,309 km (0.113 R)
• M4: 1,788,742 km (0.113 R)
• M5: 2,762,773 km (0.065 R)
• M6: 3,928,590 km (0.088 R)
• M7: 4,341,480 km (0.083 R)
• M8: 4,898,582 km (0.092 R)
• M9: 5,587,480 km (0.083 R)
• M10: 6,022,212 km (0.055 R)
• M11: 7,009,408 km (0.107 R)
• M12: 8,774,962 km (0.1 R)
• M13: 10,721,081 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 19,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit