🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.49 AU - 0.71 AU

Year: 300 Days

Day: 15 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,988,590 km

• M1: 144,362 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 13.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.65 AU - 0.71 AU

Year: 362 Days

Day: 5.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,988,590 km

• M1: 166,802 km (0.095 R)
• M2: 703,110 km (0.058 R)
• M3: 1,957,039 km (0.103 R)
• M4: 2,519,976 km (0.075 R)
• M5: 3,266,170 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 13.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,988,590 km

• M1: 171,140 km (0.104 R)
• M2: 724,652 km (0.1 R)
• M3: 1,661,883 km (0.114 R)
• M4: 2,433,359 km (0.115 R)
• M5: 2,955,156 km (0.027 R)
• M6: 3,433,122 km (0.064 R)
• M7: 4,392,493 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 14.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.26 AU - 3.24 AU

Year: 2945 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,988,590 km

• M1: 177,872 km (0.085 R)
• M2: 1,057,956 km (0.102 R)
• M3: 1,511,836 km (0.111 R)
• M4: 2,205,372 km (0.045 R)
• M5: 2,712,509 km (0.057 R)
• M6: 4,367,659 km (0.111 R)
• M7: 5,300,851 km (0.091 R)
• M8: 5,841,946 km (0.085 R)
• M9: 7,188,178 km (0.086 R)
• M10: 7,984,188 km (0.067 R)
• M11: 8,838,093 km (0.106 R)
• M12: 10,409,169 km (0.084 R)
• M13: 13,105,222 km (0.09 R)
• M14: 15,657,661 km (0.081 R)
• M15: 16,398,021 km (0.087 R)
• M16: 17,721,513 km (0.117 R)
• M17: 19,234,397 km (0.085 R)
• M18: 20,083,963 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 13,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit