🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.15 AU

Year: 384 Days

Day: 32.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.29 AU - 1.61 AU

Year: 651 Days

Day: 17.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.6 AU - 4.82 AU

Year: 3220 Days

Day: 34 Hours

Environment

Temp: -130 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 11.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.17 AU - 7.13 AU

Year: 5685 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,248,526 km

• M1: 140,772 km (0.049 R)
• M2: 501,602 km (0.118 R)
• M3: 1,073,215 km (0.108 R)
• M4: 2,107,834 km (0.109 R)
• M5: 3,217,551 km (0.096 R)
• M6: 3,773,457 km (0.034 R)
• M7: 4,681,516 km (0.095 R)
• M8: 5,447,457 km (0.117 R)
• M9: 6,491,800 km (0.075 R)
• M10: 7,016,888 km (0.112 R)
• M11: 7,664,946 km (0.109 R)
• M12: 11,859,670 km (0.097 R)
• M13: 14,565,148 km (0.075 R)
• M14: 15,415,313 km (0.088 R)
• M15: 19,268,505 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 13.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.12 AU - 11.84 AU

Year: 11753 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,248,526 km

• M1: 170,392 km (0.113 R)
• M2: 640,877 km (0.058 R)
• M3: 1,074,412 km (0.108 R)
• M4: 1,541,905 km (0.108 R)
• M5: 2,205,372 km (0.099 R)
• M6: 2,721,036 km (0.041 R)
• M7: 3,202,591 km (0.074 R)
• M8: 3,657,668 km (0.075 R)
• M9: 4,553,759 km (0.088 R)
• M10: 5,291,426 km (0.083 R)
• M11: 7,235,600 km (0.092 R)
• M12: 9,065,781 km (0.098 R)
• M13: 14,507,553 km (0.105 R)
• M14: 14,991,352 km (0.048 R)
• M15: 15,709,272 km (0.06 R)
• M16: 18,063,045 km (0.104 R)
• M17: 19,324,006 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit