🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 13.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,922,035 km

• M1: 171,589 km (0.106 R)
• M2: 625,917 km (0.053 R)
• M3: 1,546,094 km (0.037 R)
• M4: 2,220,930 km (0.063 R)
• M5: 3,168,632 km (0.1 R)
• M6: 3,747,576 km (0.053 R)
• M7: 4,500,951 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 12.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.23 AU - 1.39 AU

Year: 1000 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,922,035 km

• M1: 155,432 km (0.098 R)
• M2: 1,086,380 km (0.074 R)
• M3: 1,691,952 km (0.096 R)
• M4: 2,260,873 km (0.088 R)
• M5: 2,903,844 km (0.098 R)
• M6: 4,006,530 km (0.12 R)
• M7: 4,752,276 km (0.062 R)
• M8: 5,254,326 km (0.09 R)
• M9: 6,278,024 km (0.045 R)
• M10: 7,406,142 km (0.095 R)
• M11: 8,083,072 km (0.12 R)
• M12: 9,942,274 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 8.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.25 AU - 2.57 AU

Year: 2495 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,922,035 km

• M1: 100,679 km (0.083 R)
• M2: 354,996 km (0.113 R)
• M3: 699,520 km (0.112 R)
• M4: 1,074,861 km (0.111 R)
• M5: 1,581,249 km (0.116 R)
• M6: 2,021,815 km (0.105 R)
• M7: 2,400,597 km (0.059 R)
• M8: 2,826,203 km (0.054 R)
• M9: 4,823,933 km (0.062 R)
• M10: 5,097,697 km (0.112 R)
• M11: 5,503,257 km (0.032 R)
• M12: 6,406,230 km (0.092 R)
• M13: 10,633,417 km (0.036 R)
• M14: 12,575,795 km (0.105 R)
• M15: 15,915,867 km (0.09 R)
• M16: 17,307,426 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 14.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.08 AU - 4.36 AU

Year: 4785 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,922,035 km

• M1: 179,069 km (0.055 R)
• M2: 912,397 km (0.094 R)
• M3: 1,957,638 km (0.116 R)
• M4: 2,554,533 km (0.083 R)
• M5: 3,062,119 km (0.037 R)
• M6: 3,616,080 km (0.06 R)
• M7: 5,193,140 km (0.114 R)
• M8: 6,569,890 km (0.099 R)
• M9: 11,591,441 km (0.087 R)
• M10: 12,160,362 km (0.107 R)
• M11: 12,797,649 km (0.072 R)
• M12: 13,405,615 km (0.109 R)
• M13: 14,734,493 km (0.11 R)
• M14: 17,467,945 km (0.108 R)
• M15: 27,927,379 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.4

Radius: 3.2

Gravity: 56.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.89 AU - 8.43 AU

Year: 14138 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,922,035 km

• M1: 43,982 km (0.053 R)
• M2: 232,026 km (0.048 R)
• M3: 495,468 km (0.117 R)
• M4: 621,878 km (0.026 R)
• M5: 742,005 km (0.059 R)
• M6: 1,173,446 km (0.108 R)
• M7: 1,290,282 km (0.111 R)
• M8: 1,414,747 km (0.113 R)
• M9: 1,753,287 km (0.088 R)
• M10: 1,977,235 km (0.081 R)
• M11: 2,566,800 km (0.116 R)
• M12: 2,697,399 km (0.115 R)
• M13: 2,972,210 km (0.104 R)
• M14: 3,658,117 km (0.116 R)
• M15: 6,106,136 km (0.092 R)
• M16: 6,700,489 km (0.084 R)
• M17: 7,245,922 km (0.111 R)
• M18: 9,672,849 km (0.101 R)
• M19: 9,777,717 km (0.112 R)
• M20: 11,443,788 km (0.074 R)
• M21: 12,282,284 km (0.116 R)
• M22: 13,615,650 km (0.066 R)
• M23: 14,763,215 km (0.116 R)
• M24: 14,902,341 km (0.085 R)
• M25: 16,341,922 km (0.063 R)
• M26: 18,188,708 km (0.096 R)
• M27: 26,146,566 km (0.108 R)
• M28: 26,350,319 km (0.1 R)
• M29: 28,661,157 km (0.119 R)
• M30: 30,649,612 km (0.072 R)
• M31: 35,393,659 km (0.119 R)
• M32: 36,271,201 km (0.092 R)
• M33: 41,982,099 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.5

Radius: 5.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.52 AU - 9.56 AU

Year: 19650 Days

Day: 24.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,922,035 km

• M1: 74,051 km (0.09 R)
• M2: 307,124 km (0.1 R)
• M3: 489,484 km (0.108 R)
• M4: 787,633 km (0.066 R)
• M5: 3,442,546 km (0.093 R)
• M6: 3,899,418 km (0.116 R)
• M7: 4,234,817 km (0.083 R)
• M8: 5,022,449 km (0.078 R)
• M9: 5,451,047 km (0.075 R)
• M10: 6,276,528 km (0.098 R)
• M11: 7,886,650 km (0.083 R)
• M12: 10,517,628 km (0.067 R)
• M13: 15,383,299 km (0.053 R)
• M14: 18,122,884 km (0.118 R)
• M15: 19,348,390 km (0.064 R)
• M16: 20,094,435 km (0.086 R)
• M17: 22,529,439 km (0.084 R)
• M18: 24,115,177 km (0.052 R)
• M19: 26,042,446 km (0.084 R)
• M20: 29,609,308 km (0.049 R)
• M21: 30,300,002 km (0.03 R)
• M22: 30,599,347 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 16,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit