🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.63 AU

Year: 239 Days

Day: 17.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 13.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.68 AU - 1.08 AU

Year: 542 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,060,295 km

• M1: 164,258 km (0.111 R)
• M2: 611,706 km (0.081 R)
• M3: 1,051,075 km (0.107 R)
• M4: 1,489,097 km (0.085 R)
• M5: 2,069,088 km (0.094 R)
• M6: 2,487,214 km (0.109 R)
• M7: 3,193,017 km (0.12 R)
• M8: 4,402,366 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 11.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.77 AU - 1.17 AU

Year: 627 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,060,295 km

• M1: 147,204 km (0.102 R)
• M2: 538,852 km (0.099 R)
• M3: 952,490 km (0.116 R)
• M4: 1,501,215 km (0.064 R)
• M5: 1,945,371 km (0.118 R)
• M6: 2,671,968 km (0.099 R)
• M7: 3,211,417 km (0.088 R)
• M8: 4,316,198 km (0.034 R)
• M9: 5,536,019 km (0.091 R)
• M10: 6,132,316 km (0.05 R)
• M11: 6,811,191 km (0.104 R)

Asteroid Belt

Center: 1.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 10.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.04 AU - 2.12 AU

Year: 1968 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,060,295 km

• M1: 130,599 km (0.107 R)
• M2: 823,387 km (0.076 R)
• M3: 2,601,507 km (0.083 R)
• M4: 3,036,538 km (0.086 R)
• M5: 3,864,711 km (0.043 R)
• M6: 5,057,754 km (0.086 R)
• M7: 6,602,801 km (0.104 R)
• M8: 7,233,506 km (0.12 R)
• M9: 7,987,330 km (0.108 R)
• M10: 11,321,567 km (0.094 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: 276 - 15,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit