🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.72 AU - 0.74 AU

Year: 278 Days

Day: 13.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.79 AU - 2.55 AU

Year: 1426 Days

Day: 42.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,205,759 km

• M1: 183,557 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 9.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.33 AU - 2.73 AU

Year: 1796 Days

Day: 6.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,205,759 km

• M1: 121,025 km (0.114 R)
• M2: 473,477 km (0.116 R)
• M3: 1,117,945 km (0.098 R)
• M4: 1,512,135 km (0.111 R)
• M5: 1,860,998 km (0.081 R)
• M6: 2,666,133 km (0.091 R)
• M7: 3,141,854 km (0.083 R)
• M8: 4,029,419 km (0.098 R)
• M9: 4,933,588 km (0.103 R)
• M10: 6,377,058 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 11.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.86 AU - 7.22 AU

Year: 6624 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,205,759 km

• M1: 138,228 km (0.068 R)
• M2: 532,269 km (0.119 R)
• M3: 1,480,570 km (0.102 R)
• M4: 2,148,674 km (0.112 R)
• M5: 2,650,575 km (0.116 R)
• M6: 3,008,114 km (0.098 R)
• M7: 4,131,893 km (0.095 R)
• M8: 4,695,578 km (0.051 R)
• M9: 5,368,469 km (0.082 R)
• M10: 5,977,183 km (0.106 R)
• M11: 6,430,315 km (0.092 R)
• M12: 7,627,098 km (0.116 R)
• M13: 9,913,252 km (0.107 R)
• M14: 11,803,571 km (0.075 R)
• M15: 14,148,069 km (0.043 R)
• M16: 16,660,715 km (0.091 R)
• M17: 17,626,070 km (0.038 R)
• M18: 18,628,376 km (0.108 R)
• M19: 19,039,770 km (0.115 R)
• M20: 20,310,454 km (0.029 R)
• M21: 21,188,444 km (0.088 R)
• M22: 22,552,627 km (0.037 R)
• M23: 25,287,874 km (0.085 R)
• M24: 25,877,290 km (0.114 R)
• M25: 27,083,647 km (0.117 R)
• M26: 28,507,819 km (0.115 R)
• M27: 30,451,993 km (0.052 R)
• M28: 32,285,764 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.9

Radius: 5.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.98 AU - 11.14 AU

Year: 15313 Days

Day: 16.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,205,759 km

• M1: 64,626 km (0.055 R)
• M2: 663,915 km (0.088 R)
• M3: 1,423,424 km (0.117 R)
• M4: 5,087,973 km (0.093 R)
• M5: 5,324,338 km (0.037 R)
• M6: 7,007,314 km (0.104 R)
• M7: 11,229,265 km (0.091 R)
• M8: 12,407,947 km (0.034 R)
• M9: 13,610,564 km (0.075 R)
• M10: 16,244,982 km (0.12 R)
• M11: 16,500,047 km (0.073 R)
• M12: 17,547,381 km (0.089 R)
• M13: 20,064,665 km (0.025 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 19,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit