🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 13.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.72 AU - 0.88 AU

Year: 455 Days

Day: 5.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,123,481 km

• M1: 164,109 km (0.105 R)
• M2: 581,337 km (0.089 R)
• M3: 1,175,989 km (0.081 R)
• M4: 1,615,807 km (0.082 R)
• M5: 2,256,235 km (0.077 R)
• M6: 3,052,545 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 14.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.1 AU - 1.2 AU

Year: 784 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,123,481 km

• M1: 179,218 km (0.101 R)
• M2: 689,646 km (0.1 R)
• M3: 1,149,809 km (0.101 R)
• M4: 1,774,380 km (0.088 R)
• M5: 2,465,523 km (0.035 R)
• M6: 3,919,913 km (0.111 R)
• M7: 4,443,057 km (0.107 R)
• M8: 5,689,805 km (0.081 R)
• M9: 7,297,384 km (0.097 R)
• M10: 7,773,405 km (0.082 R)
• M11: 8,244,787 km (0.088 R)
• M12: 9,001,304 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 8.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.8 AU - 2.74 AU

Year: 2175 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,123,481 km

• M1: 103,372 km (0.046 R)
• M2: 390,899 km (0.108 R)
• M3: 744,100 km (0.115 R)
• M4: 1,028,485 km (0.104 R)
• M5: 1,484,310 km (0.046 R)
• M6: 1,769,294 km (0.095 R)
• M7: 2,463,428 km (0.092 R)
• M8: 3,401,856 km (0.032 R)
• M9: 4,002,192 km (0.092 R)
• M10: 4,292,711 km (0.06 R)
• M11: 4,955,130 km (0.106 R)
• M12: 5,515,973 km (0.07 R)
• M13: 5,833,419 km (0.118 R)
• M14: 6,575,126 km (0.11 R)
• M15: 7,103,505 km (0.083 R)
• M16: 7,582,368 km (0.102 R)
• M17: 8,272,313 km (0.102 R)
• M18: 8,945,653 km (0.119 R)
• M19: 10,658,699 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 12.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.71 AU - 6.01 AU

Year: 9019 Days

Day: 11.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,123,481 km

• M1: 153,787 km (0.066 R)
• M2: 641,625 km (0.114 R)
• M3: 1,105,229 km (0.044 R)
• M4: 1,656,497 km (0.059 R)
• M5: 2,533,590 km (0.039 R)
• M6: 3,067,953 km (0.076 R)
• M7: 4,413,736 km (0.063 R)
• M8: 5,191,794 km (0.083 R)
• M9: 6,820,765 km (0.105 R)
• M10: 8,806,827 km (0.055 R)
• M11: 10,653,164 km (0.057 R)
• M12: 11,291,348 km (0.104 R)
• M13: 12,247,129 km (0.12 R)
• M14: 14,102,442 km (0.076 R)
• M15: 15,786,166 km (0.075 R)
• M16: 16,676,572 km (0.104 R)
• M17: 19,148,527 km (0.112 R)
• M18: 19,819,773 km (0.096 R)
• M19: 23,111,674 km (0.062 R)
• M20: 25,444,952 km (0.095 R)
• M21: 27,252,992 km (0.041 R)
• M22: 28,533,849 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 16,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit