🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 13.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.66 AU - 0.84 AU

Year: 426 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,329,659 km

• M1: 164,258 km (0.093 R)
• M2: 581,188 km (0.085 R)
• M3: 1,404,724 km (0.044 R)
• M4: 1,989,951 km (0.054 R)
• M5: 2,409,872 km (0.082 R)
• M6: 3,226,976 km (0.096 R)
• M7: 3,837,185 km (0.061 R)
• M8: 4,456,521 km (0.059 R)
• M9: 4,868,214 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 13

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.48 AU - 2.44 AU

Year: 1800 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,329,659 km

• M1: 161,715 km (0.119 R)
• M2: 641,775 km (0.079 R)
• M3: 1,156,242 km (0.099 R)
• M4: 1,588,430 km (0.064 R)
• M5: 2,388,629 km (0.046 R)
• M6: 3,076,480 km (0.045 R)
• M7: 3,628,796 km (0.083 R)
• M8: 4,057,992 km (0.087 R)
• M9: 4,662,966 km (0.083 R)
• M10: 5,172,047 km (0.098 R)
• M11: 5,932,752 km (0.094 R)
• M12: 6,953,608 km (0.106 R)
• M13: 7,910,436 km (0.105 R)
• M14: 12,234,563 km (0.118 R)
• M15: 13,124,520 km (0.086 R)
• M16: 14,187,712 km (0.104 R)
• M17: 14,628,727 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 9.8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.59 AU - 4.59 AU

Year: 5426 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,329,659 km

• M1: 150,795 km (0.12 R)
• M2: 780,751 km (0.108 R)
• M3: 1,239,867 km (0.109 R)
• M4: 1,600,099 km (0.071 R)
• M5: 2,370,079 km (0.048 R)
• M6: 3,028,310 km (0.095 R)
• M7: 5,194,487 km (0.049 R)
• M8: 6,432,559 km (0.079 R)
• M9: 6,863,401 km (0.082 R)
• M10: 8,427,596 km (0.048 R)
• M11: 9,822,895 km (0.049 R)
• M12: 10,128,374 km (0.083 R)
• M13: 11,129,782 km (0.097 R)
• M14: 17,022,443 km (0.096 R)
• M15: 19,170,518 km (0.083 R)
• M16: 22,684,572 km (0.108 R)
• M17: 26,945,120 km (0.086 R)
• M18: 30,217,124 km (0.112 R)
• M19: 30,678,783 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 10.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.6 AU - 5.92 AU

Year: 7914 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,329,659 km

• M1: 129,851 km (0.091 R)
• M2: 476,320 km (0.088 R)
• M3: 1,675,646 km (0.094 R)
• M4: 2,623,797 km (0.094 R)
• M5: 3,341,568 km (0.075 R)
• M6: 4,276,854 km (0.034 R)
• M7: 5,060,597 km (0.105 R)
• M8: 5,432,347 km (0.105 R)
• M9: 6,201,281 km (0.094 R)
• M10: 10,182,828 km (0.084 R)
• M11: 11,171,969 km (0.086 R)
• M12: 11,850,695 km (0.088 R)
• M13: 12,270,915 km (0.086 R)
• M14: 14,683,031 km (0.064 R)
• M15: 16,341,772 km (0.084 R)
• M16: 16,804,329 km (0.05 R)
• M17: 17,157,081 km (0.101 R)
• M18: 20,358,026 km (0.092 R)
• M19: 20,961,654 km (0.109 R)
• M20: 22,700,729 km (0.106 R)
• M21: 23,422,539 km (0.105 R)
• M22: 24,534,051 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.8

Radius: 3.1

Gravity: 38.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.98 AU - 11.62 AU

Year: 21685 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,329,659 km

• M1: 38,596 km (0.078 R)
• M2: 137,780 km (0.064 R)
• M3: 300,991 km (0.075 R)
• M4: 1,022,501 km (0.111 R)
• M5: 1,731,895 km (0.086 R)
• M6: 2,021,516 km (0.063 R)
• M7: 4,185,898 km (0.08 R)
• M8: 6,731,156 km (0.096 R)
• M9: 7,214,208 km (0.101 R)
• M10: 10,901,346 km (0.081 R)
• M11: 11,443,340 km (0.071 R)
• M12: 12,451,031 km (0.096 R)
• M13: 14,071,026 km (0.117 R)
• M14: 14,568,738 km (0.111 R)
• M15: 16,209,378 km (0.037 R)
• M16: 26,819,158 km (0.09 R)
• M17: 27,363,395 km (0.118 R)
• M18: 28,137,863 km (0.099 R)
• M19: 31,022,559 km (0.065 R)
• M20: 32,844,661 km (0.1 R)
• M21: 45,757,202 km (0.105 R)
• M22: 54,789,173 km (0.032 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 18,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit