🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 8.7

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.83 AU - 1.03 AU

Year: 579 Days

Day: 6.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,848,110 km

• M1: 108,159 km (0.097 R)
• M2: 404,064 km (0.106 R)
• M3: 682,914 km (0.098 R)
• M4: 967,749 km (0.087 R)
• M5: 1,293,124 km (0.057 R)
• M6: 1,965,716 km (0.074 R)
• M7: 2,391,322 km (0.048 R)
• M8: 3,535,596 km (0.038 R)
• M9: 3,900,465 km (0.048 R)
• M10: 4,352,700 km (0.109 R)
• M11: 4,924,014 km (0.11 R)
• M12: 5,960,578 km (0.069 R)
• M13: 6,644,539 km (0.082 R)
• M14: 7,224,081 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 10.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.04 AU - 1.18 AU

Year: 755 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,848,110 km

• M1: 140,472 km (0.114 R)
• M2: 600,486 km (0.078 R)
• M3: 1,034,619 km (0.045 R)
• M4: 1,510,938 km (0.12 R)
• M5: 2,086,142 km (0.06 R)
• M6: 2,665,236 km (0.057 R)
• M7: 4,243,344 km (0.04 R)
• M8: 4,871,206 km (0.028 R)
• M9: 5,733,039 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.9

Radius: 8.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.14 AU - 1.14 AU

Year: 786 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,848,110 km

• M1: 106,214 km (0.087 R)
• M2: 501,003 km (0.067 R)
• M3: 1,083,837 km (0.069 R)
• M4: 1,649,915 km (0.108 R)
• M5: 1,967,362 km (0.056 R)
• M6: 2,260,125 km (0.106 R)
• M7: 3,215,008 km (0.095 R)
• M8: 3,568,208 km (0.058 R)
• M9: 3,888,049 km (0.072 R)
• M10: 4,277,153 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 10.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.04 AU - 1.28 AU

Year: 807 Days

Day: 15 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,848,110 km

• M1: 136,732 km (0.037 R)
• M2: 735,872 km (0.114 R)
• M3: 1,125,425 km (0.076 R)
• M4: 1,548,787 km (0.062 R)
• M5: 1,926,521 km (0.072 R)
• M6: 2,316,373 km (0.065 R)
• M7: 2,918,954 km (0.083 R)
• M8: 3,816,242 km (0.11 R)
• M9: 4,390,997 km (0.058 R)
• M10: 5,211,541 km (0.05 R)
• M11: 6,327,541 km (0.093 R)
• M12: 7,005,967 km (0.098 R)
• M13: 7,395,969 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.7

Radius: 11.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.79 AU - 2.07 AU

Year: 1731 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,848,110 km

• M1: 143,165 km (0.118 R)
• M2: 507,286 km (0.088 R)
• M3: 1,115,851 km (0.03 R)
• M4: 1,796,072 km (0.108 R)
• M5: 2,630,978 km (0.089 R)
• M6: 3,545,021 km (0.091 R)
• M7: 3,979,603 km (0.107 R)
• M8: 4,757,212 km (0.067 R)
• M9: 5,699,679 km (0.1 R)
• M10: 6,156,850 km (0.101 R)
• M11: 6,564,504 km (0.114 R)
• M12: 7,119,063 km (0.103 R)
• M13: 7,622,760 km (0.056 R)
• M14: 8,971,983 km (0.084 R)
• M15: 11,953,019 km (0.037 R)
• M16: 12,781,044 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 10.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.58 AU - 3.66 AU

Year: 4447 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,848,110 km

• M1: 126,709 km (0.082 R)
• M2: 593,604 km (0.078 R)
• M3: 1,282,353 km (0.108 R)
• M4: 1,717,982 km (0.043 R)
• M5: 2,071,631 km (0.117 R)
• M6: 2,392,818 km (0.119 R)
• M7: 3,022,326 km (0.079 R)
• M8: 3,438,357 km (0.094 R)
• M9: 3,758,647 km (0.103 R)
• M10: 4,169,592 km (0.109 R)
• M11: 4,610,457 km (0.095 R)
• M12: 7,579,975 km (0.079 R)
• M13: 8,200,955 km (0.117 R)
• M14: 9,711,445 km (0.09 R)
• M15: 11,074,730 km (0.104 R)
• M16: 16,162,853 km (0.104 R)
• M17: 17,439,671 km (0.116 R)
• M18: 19,512,649 km (0.084 R)
• M19: 20,888,650 km (0.101 R)
• M20: 21,600,586 km (0.092 R)
• M21: 22,476,033 km (0.096 R)
• M22: 25,005,434 km (0.109 R)
• M23: 25,889,108 km (0.118 R)
• M24: 28,491,513 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 8.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.66 AU - 7.12 AU

Year: 9230 Days

Day: 10.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,848,110 km

• M1: 108,608 km (0.057 R)
• M2: 422,464 km (0.096 R)
• M3: 931,097 km (0.067 R)
• M4: 1,336,657 km (0.071 R)
• M5: 2,031,539 km (0.081 R)
• M6: 2,701,887 km (0.105 R)
• M7: 3,883,860 km (0.102 R)
• M8: 4,943,761 km (0.1 R)
• M9: 10,428,468 km (0.059 R)
• M10: 10,732,002 km (0.057 R)
• M11: 11,678,059 km (0.096 R)
• M12: 13,856,503 km (0.099 R)
• M13: 17,187,748 km (0.087 R)
• M14: 17,826,381 km (0.086 R)
• M15: 18,333,967 km (0.111 R)
• M16: 21,995,076 km (0.088 R)
• M17: 23,952,713 km (0.098 R)
• M18: 24,749,472 km (0.102 R)
• M19: 26,677,040 km (0.069 R)
• M20: 31,245,310 km (0.101 R)
• M21: 33,166,297 km (0.103 R)
• M22: 42,277,256 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.5

Radius: 7.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.61 AU - 13.17 AU

Year: 23204 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,848,110 km

• M1: 95,892 km (0.115 R)
• M2: 955,631 km (0.039 R)
• M3: 1,283,251 km (0.082 R)
• M4: 1,775,128 km (0.108 R)
• M5: 2,619,758 km (0.077 R)
• M6: 2,971,463 km (0.057 R)
• M7: 3,469,773 km (0.104 R)
• M8: 5,993,489 km (0.083 R)
• M9: 7,955,914 km (0.068 R)
• M10: 9,538,211 km (0.069 R)
• M11: 13,384,970 km (0.078 R)
• M12: 14,737,933 km (0.107 R)
• M13: 18,155,946 km (0.101 R)
• M14: 20,577,486 km (0.082 R)
• M15: 22,580,901 km (0.105 R)
• M16: 35,544,155 km (0.089 R)
• M17: 39,758,776 km (0.055 R)
• M18: 40,670,575 km (0.06 R)
• M19: 54,938,771 km (0.11 R)
• M20: 64,422,977 km (0.113 R)
• M21: 69,988,765 km (0.039 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit