🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.4

Radius: 10.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.78 AU - 0.84 AU

Year: 478 Days

Day: 14.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,268,784 km

• M1: 129,402 km (0.108 R)
• M2: 481,705 km (0.119 R)
• M3: 930,050 km (0.108 R)
• M4: 1,340,846 km (0.055 R)
• M5: 1,897,499 km (0.117 R)
• M6: 2,334,026 km (0.084 R)
• M7: 2,815,133 km (0.102 R)
• M8: 3,336,930 km (0.118 R)
• M9: 4,019,396 km (0.097 R)
• M10: 4,544,634 km (0.077 R)
• M11: 5,264,947 km (0.12 R)
• M12: 5,949,208 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 9.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.46 AU - 2.2 AU

Year: 1624 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,268,784 km

• M1: 135,536 km (0.1 R)
• M2: 447,298 km (0.104 R)
• M3: 770,130 km (0.071 R)
• M4: 1,171,351 km (0.105 R)
• M5: 2,129,825 km (0.074 R)
• M6: 2,554,533 km (0.069 R)
• M7: 3,860,672 km (0.115 R)
• M8: 4,495,715 km (0.069 R)
• M9: 4,924,612 km (0.101 R)
• M10: 7,622,012 km (0.1 R)
• M11: 8,762,695 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.7

Radius: 10.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.21 AU - 4.79 AU

Year: 6262 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,268,784 km

• M1: 131,796 km (0.079 R)
• M2: 2,170,067 km (0.103 R)
• M3: 3,444,042 km (0.101 R)
• M4: 4,581,884 km (0.117 R)
• M5: 5,136,592 km (0.087 R)
• M6: 5,495,777 km (0.091 R)
• M7: 5,871,716 km (0.114 R)
• M8: 6,796,231 km (0.109 R)
• M9: 7,583,714 km (0.113 R)
• M10: 9,340,293 km (0.111 R)
• M11: 9,721,917 km (0.093 R)
• M12: 10,680,241 km (0.092 R)
• M13: 15,098,763 km (0.116 R)
• M14: 15,731,862 km (0.081 R)
• M15: 16,770,221 km (0.038 R)
• M16: 17,277,806 km (0.098 R)
• M17: 21,914,742 km (0.108 R)
• M18: 23,001,570 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.6

Radius: 4.8

Gravity: 32.8 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.65 AU - 12.27 AU

Year: 20620 Days

Day: 22.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,268,784 km

• M1: 59,690 km (0.071 R)
• M2: 261,347 km (0.071 R)
• M3: 419,921 km (0.076 R)
• M4: 609,611 km (0.091 R)
• M5: 972,985 km (0.066 R)
• M6: 1,181,973 km (0.037 R)
• M7: 1,568,683 km (0.087 R)
• M8: 2,494,694 km (0.05 R)
• M9: 2,967,274 km (0.083 R)
• M10: 3,128,241 km (0.118 R)
• M11: 3,556,540 km (0.098 R)
• M12: 4,220,455 km (0.115 R)
• M13: 4,389,950 km (0.095 R)
• M14: 5,873,362 km (0.102 R)
• M15: 7,463,587 km (0.119 R)
• M16: 8,277,998 km (0.108 R)
• M17: 13,326,328 km (0.097 R)
• M18: 13,692,095 km (0.034 R)
• M19: 15,301,917 km (0.053 R)
• M20: 15,541,723 km (0.108 R)
• M21: 16,863,270 km (0.098 R)
• M22: 17,464,355 km (0.107 R)
• M23: 18,800,413 km (0.083 R)
• M24: 27,442,233 km (0.066 R)
• M25: 27,678,000 km (0.099 R)
• M26: 30,110,012 km (0.114 R)
• M27: 36,662,549 km (0.067 R)
• M28: 39,439,534 km (0.091 R)
• M29: 41,728,531 km (0.084 R)
• M30: 42,196,623 km (0.079 R)
• M31: 44,590,338 km (0.118 R)
• M32: 47,241,512 km (0.098 R)
• M33: 50,524,138 km (0.068 R)
• M34: 51,770,886 km (0.056 R)
• M35: 51,950,553 km (0.108 R)
• M36: 57,539,081 km (0.112 R)
• M37: 62,288,215 km (0.103 R)
• M38: 78,090,089 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 4.6

Gravity: 34.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.91 AU - 12.67 AU

Year: 23251 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,268,784 km

• M1: 59,241 km (0.111 R)
• M2: 890,257 km (0.067 R)
• M3: 1,147,715 km (0.062 R)
• M4: 1,830,629 km (0.068 R)
• M5: 2,700,840 km (0.044 R)
• M6: 3,597,380 km (0.119 R)
• M7: 4,180,961 km (0.09 R)
• M8: 4,976,972 km (0.103 R)
• M9: 5,912,407 km (0.106 R)
• M10: 8,558,644 km (0.065 R)
• M11: 9,532,077 km (0.04 R)
• M12: 10,014,829 km (0.109 R)
• M13: 14,090,025 km (0.052 R)
• M14: 14,322,500 km (0.113 R)
• M15: 17,228,588 km (0.118 R)
• M16: 17,583,734 km (0.069 R)
• M17: 17,853,459 km (0.089 R)
• M18: 18,034,771 km (0.102 R)
• M19: 20,013,054 km (0.101 R)
• M20: 21,614,200 km (0.09 R)
• M21: 27,164,879 km (0.095 R)
• M22: 30,137,538 km (0.069 R)
• M23: 30,783,053 km (0.086 R)
• M24: 34,288,879 km (0.048 R)
• M25: 35,561,807 km (0.059 R)
• M26: 35,848,886 km (0.077 R)
• M27: 36,137,460 km (0.057 R)
• M28: 40,342,955 km (0.113 R)
• M29: 40,655,166 km (0.109 R)
• M30: 42,080,535 km (0.069 R)
• M31: 43,049,031 km (0.027 R)
• M32: 46,384,465 km (0.067 R)
• M33: 57,614,478 km (0.117 R)
• M34: 63,747,093 km (0.058 R)
• M35: 65,238,135 km (0.055 R)
• M36: 77,049,037 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 13,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit