🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.41 AU - 0.67 AU

Year: 256 Days

Day: 43.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36

Radius: 12

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.06 AU

Year: 626 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 8,531,844 km

• M1: 149,448 km (0.116 R)
• M2: 537,356 km (0.119 R)
• M3: 1,015,321 km (0.057 R)
• M4: 1,971,102 km (0.031 R)
• M5: 2,559,919 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 12.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.07 AU - 1.13 AU

Year: 745 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,531,844 km

• M1: 157,975 km (0.059 R)
• M2: 650,003 km (0.116 R)
• M3: 1,137,542 km (0.082 R)
• M4: 1,551,779 km (0.066 R)
• M5: 1,992,344 km (0.078 R)
• M6: 3,744,435 km (0.098 R)
• M7: 4,205,645 km (0.107 R)
• M8: 5,041,299 km (0.073 R)
• M9: 5,703,868 km (0.077 R)
• M10: 6,232,995 km (0.08 R)
• M11: 7,319,674 km (0.112 R)
• M12: 8,476,963 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 14.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.29 AU - 1.99 AU

Year: 1356 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,531,844 km

• M1: 181,612 km (0.114 R)
• M2: 688,898 km (0.068 R)
• M3: 1,705,565 km (0.099 R)
• M4: 2,976,998 km (0.111 R)
• M5: 3,628,347 km (0.079 R)
• M6: 4,206,991 km (0.077 R)
• M7: 4,938,226 km (0.078 R)
• M8: 5,591,220 km (0.107 R)
• M9: 7,357,672 km (0.053 R)
• M10: 8,771,970 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 10.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.32 AU - 2.08 AU

Year: 1431 Days

Day: 5.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 8,531,844 km

• M1: 128,056 km (0.115 R)
• M2: 777,759 km (0.085 R)
• M3: 1,184,815 km (0.084 R)
• M4: 1,725,761 km (0.068 R)
• M5: 2,130,872 km (0.049 R)
• M6: 2,468,066 km (0.047 R)
• M7: 2,793,890 km (0.112 R)
• M8: 3,174,168 km (0.036 R)
• M9: 3,589,003 km (0.084 R)
• M10: 3,979,603 km (0.066 R)
• M11: 4,414,633 km (0.106 R)
• M12: 4,778,605 km (0.086 R)
• M13: 5,307,284 km (0.053 R)
• M14: 5,796,618 km (0.084 R)
• M15: 6,544,757 km (0.103 R)
• M16: 6,909,477 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 20,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit