🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.76 AU - 0.8 AU

Year: 250 Days

Day: 27.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,689,235 km

• M1: 411,544 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.33 AU - 1.89 AU

Year: 742 Days

Day: 30.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.74 AU - 2.12 AU

Year: 974 Days

Day: 30.2 Hours

Environment

Temp: -70 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.84 AU - 4.62 AU

Year: 2618 Days

Day: 13.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 10.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.64 AU - 6.46 AU

Year: 5408 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,689,235 km

• M1: 134,339 km (0.077 R)
• M2: 542,891 km (0.096 R)
• M3: 976,724 km (0.117 R)
• M4: 1,545,047 km (0.077 R)
• M5: 2,065,199 km (0.104 R)
• M6: 2,529,550 km (0.09 R)
• M7: 3,221,141 km (0.089 R)
• M8: 4,626,314 km (0.026 R)
• M9: 5,929,012 km (0.061 R)
• M10: 8,150,541 km (0.064 R)
• M11: 8,527,827 km (0.049 R)
• M12: 10,877,710 km (0.061 R)
• M13: 14,759,027 km (0.113 R)
• M14: 18,113,909 km (0.1 R)
• M15: 18,522,012 km (0.088 R)
• M16: 20,655,726 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 10.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.6 AU - 8.48 AU

Year: 8285 Days

Day: 11.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,689,235 km

• M1: 127,158 km (0.103 R)
• M2: 708,645 km (0.093 R)
• M3: 1,306,139 km (0.098 R)
• M4: 1,647,821 km (0.032 R)
• M5: 2,727,468 km (0.053 R)
• M6: 3,294,893 km (0.047 R)
• M7: 4,146,105 km (0.116 R)
• M8: 4,723,254 km (0.12 R)
• M9: 5,803,949 km (0.107 R)
• M10: 6,175,550 km (0.076 R)
• M11: 7,425,889 km (0.115 R)
• M12: 8,749,979 km (0.11 R)
• M13: 9,194,435 km (0.102 R)
• M14: 11,593,685 km (0.098 R)
• M15: 12,966,096 km (0.038 R)
• M16: 15,002,422 km (0.093 R)
• M17: 15,446,878 km (0.074 R)
• M18: 19,548,552 km (0.102 R)
• M19: 20,078,877 km (0.066 R)
• M20: 21,327,121 km (0.102 R)
• M21: 28,547,163 km (0.105 R)
• M22: 35,090,425 km (0.098 R)
• M23: 38,886,919 km (0.106 R)
• M24: 41,564,721 km (0.107 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 20,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit