🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.97 AU - 1.01 AU

Year: 636 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,307,542 km

• M1: 177,872 km (0.117 R)
• M2: 648,656 km (0.12 R)
• M3: 1,129,165 km (0.093 R)
• M4: 1,599,949 km (0.087 R)
• M5: 3,182,396 km (0.109 R)
• M6: 3,672,777 km (0.059 R)
• M7: 5,276,167 km (0.032 R)
• M8: 5,851,670 km (0.113 R)
• M9: 6,427,921 km (0.075 R)
• M10: 7,419,905 km (0.03 R)
• M11: 8,216,962 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 9.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.55 AU - 1.57 AU

Year: 1258 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,307,542 km

• M1: 139,575 km (0.08 R)
• M2: 789,278 km (0.086 R)
• M3: 1,254,977 km (0.113 R)
• M4: 1,779,018 km (0.096 R)
• M5: 2,112,920 km (0.117 R)
• M6: 4,583,978 km (0.041 R)
• M7: 6,377,357 km (0.067 R)
• M8: 7,121,906 km (0.083 R)
• M9: 7,430,825 km (0.09 R)
• M10: 9,001,603 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.5

Radius: 13

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.91 AU - 2.69 AU

Year: 2252 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,307,542 km

• M1: 161,865 km (0.088 R)
• M2: 785,987 km (0.082 R)
• M3: 1,405,921 km (0.104 R)
• M4: 2,221,977 km (0.032 R)
• M5: 2,833,982 km (0.033 R)
• M6: 3,840,626 km (0.041 R)
• M7: 5,611,715 km (0.09 R)
• M8: 6,046,596 km (0.101 R)
• M9: 6,528,750 km (0.075 R)
• M10: 8,160,564 km (0.107 R)
• M11: 8,841,533 km (0.061 R)
• M12: 10,283,657 km (0.051 R)
• M13: 10,972,854 km (0.106 R)
• M14: 11,692,570 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.4

Radius: 7

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.33 AU - 7.47 AU

Year: 11703 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,307,542 km

• M1: 90,357 km (0.053 R)
• M2: 346,469 km (0.056 R)
• M3: 752,028 km (0.095 R)
• M4: 1,554,920 km (0.074 R)
• M5: 2,708,021 km (0.075 R)
• M6: 3,090,991 km (0.101 R)
• M7: 3,860,822 km (0.081 R)
• M8: 6,556,127 km (0.061 R)
• M9: 8,156,824 km (0.084 R)
• M10: 10,760,425 km (0.084 R)
• M11: 12,334,644 km (0.098 R)
• M12: 14,558,266 km (0.088 R)
• M13: 16,965,446 km (0.102 R)
• M14: 17,319,544 km (0.092 R)
• M15: 17,896,393 km (0.091 R)
• M16: 18,710,206 km (0.112 R)
• M17: 19,317,423 km (0.093 R)
• M18: 20,571,203 km (0.067 R)
• M19: 23,676,705 km (0.114 R)
• M20: 24,119,066 km (0.049 R)
• M21: 25,386,908 km (0.094 R)
• M22: 25,664,113 km (0.079 R)
• M23: 27,565,053 km (0.051 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 13,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit