🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.59 AU

Year: 242 Days

Day: 43.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 13.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,847,837 km

• M1: 164,258 km (0.03 R)
• M2: 599,588 km (0.081 R)
• M3: 1,060,948 km (0.092 R)
• M4: 1,512,584 km (0.052 R)
• M5: 1,926,821 km (0.103 R)
• M6: 2,400,896 km (0.063 R)
• M7: 2,883,349 km (0.09 R)
• M8: 3,612,639 km (0.094 R)
• M9: 4,059,338 km (0.085 R)
• M10: 4,722,057 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 13.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.91 AU - 1.39 AU

Year: 796 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,847,837 km

• M1: 162,912 km (0.118 R)
• M2: 623,225 km (0.119 R)
• M3: 1,242,560 km (0.087 R)
• M4: 1,666,520 km (0.096 R)
• M5: 2,320,562 km (0.04 R)
• M6: 2,810,046 km (0.09 R)
• M7: 4,297,049 km (0.053 R)
• M8: 5,293,072 km (0.105 R)
• M9: 5,871,866 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 9.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.24 AU - 3.96 AU

Year: 4410 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 67 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,847,837 km

• M1: 113,694 km (0.096 R)
• M2: 468,541 km (0.111 R)
• M3: 1,193,641 km (0.046 R)
• M4: 1,506,600 km (0.099 R)
• M5: 1,809,536 km (0.117 R)
• M6: 3,296,838 km (0.102 R)
• M7: 3,642,708 km (0.06 R)
• M8: 4,289,121 km (0.071 R)
• M9: 5,088,871 km (0.106 R)
• M10: 7,181,147 km (0.096 R)
• M11: 8,050,609 km (0.107 R)
• M12: 9,145,217 km (0.081 R)
• M13: 9,708,004 km (0.112 R)
• M14: 10,946,824 km (0.087 R)
• M15: 11,260,980 km (0.062 R)
• M16: 12,873,944 km (0.113 R)
• M17: 13,996,227 km (0.12 R)
• M18: 14,907,129 km (0.091 R)
• M19: 15,800,228 km (0.119 R)
• M20: 17,266,287 km (0.118 R)
• M21: 22,206,607 km (0.101 R)
• M22: 23,892,126 km (0.099 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: 282 - 12,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit