🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.71 AU - 1.17 AU

Year: 351 Days

Day: 46.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.78 AU - 2.4 AU

Year: 1163 Days

Day: 26.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,234,829 km

• M1: 1,678,039 km (0.087 R)

Asteroid Belt

Center: 3.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4 AU - 5.86 AU

Year: 4214 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,234,829 km

• M1: 99,483 km (0.064 R)
• M2: 2,233,496 km (0.073 R)
• M3: 3,214,409 km (0.084 R)
• M4: 4,147,451 km (0.03 R)
• M5: 4,735,670 km (0.107 R)
• M6: 5,587,331 km (0.037 R)
• M7: 8,435,375 km (0.07 R)
• M8: 9,265,943 km (0.081 R)
• M9: 12,399,420 km (0.073 R)
• M10: 15,272,596 km (0.097 R)
• M11: 17,002,995 km (0.107 R)
• M12: 19,528,805 km (0.05 R)
• M13: 21,497,812 km (0.074 R)
• M14: 22,294,271 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 10.5

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.78 AU - 12.48 AU

Year: 14296 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,234,829 km

• M1: 130,599 km (0.081 R)
• M2: 716,424 km (0.088 R)
• M3: 2,470,160 km (0.105 R)
• M4: 3,933,377 km (0.06 R)
• M5: 7,557,984 km (0.077 R)
• M6: 10,044,151 km (0.057 R)
• M7: 15,721,988 km (0.105 R)
• M8: 19,711,464 km (0.114 R)
• M9: 25,146,205 km (0.093 R)
• M10: 26,299,006 km (0.069 R)
• M11: 28,709,776 km (0.118 R)
• M12: 34,986,604 km (0.119 R)
• M13: 39,971,803 km (0.111 R)
• M14: 48,227,212 km (0.077 R)
• M15: 51,992,441 km (0.1 R)
• M16: 55,949,304 km (0.116 R)
• M17: 57,013,693 km (0.105 R)
• M18: 59,365,821 km (0.111 R)
• M19: 65,039,769 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 15,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit