🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 8.3

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,925,805 km

• M1: 103,372 km (0.067 R)
• M2: 377,286 km (0.112 R)
• M3: 1,079,349 km (0.092 R)
• M4: 1,508,695 km (0.116 R)
• M5: 1,767,648 km (0.114 R)
• M6: 2,089,733 km (0.119 R)
• M7: 2,526,110 km (0.119 R)
• M8: 2,905,340 km (0.065 R)
• M9: 3,816,391 km (0.11 R)
• M10: 4,456,221 km (0.037 R)
• M11: 5,165,614 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 11.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.15 AU - 1.49 AU

Year: 1029 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,925,805 km

• M1: 143,016 km (0.082 R)
• M2: 566,826 km (0.084 R)
• M3: 988,692 km (0.102 R)
• M4: 1,610,271 km (0.073 R)
• M5: 2,253,542 km (0.064 R)
• M6: 2,614,522 km (0.073 R)
• M7: 3,242,235 km (0.086 R)
• M8: 4,347,314 km (0.107 R)
• M9: 4,782,943 km (0.052 R)
• M10: 5,438,481 km (0.082 R)
• M11: 6,444,078 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.7

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.25 AU - 1.61 AU

Year: 1160 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,925,805 km

• M1: 195,824 km (0.081 R)
• M2: 621,878 km (0.094 R)
• M3: 1,383,481 km (0.101 R)
• M4: 2,617,514 km (0.115 R)
• M5: 3,398,415 km (0.092 R)
• M6: 5,480,967 km (0.117 R)
• M7: 5,907,470 km (0.03 R)
• M8: 6,827,497 km (0.098 R)
• M9: 8,705,100 km (0.111 R)
• M10: 9,984,910 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 11.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.2 AU - 1.68 AU

Year: 1172 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,925,805 km

• M1: 138,378 km (0.106 R)
• M2: 514,317 km (0.092 R)
• M3: 874,250 km (0.07 R)
• M4: 1,936,245 km (0.087 R)
• M5: 2,319,665 km (0.083 R)
• M6: 3,017,239 km (0.092 R)
• M7: 3,942,053 km (0.116 R)
• M8: 4,428,546 km (0.086 R)
• M9: 4,864,175 km (0.119 R)
• M10: 5,309,378 km (0.077 R)
• M11: 5,781,509 km (0.083 R)
• M12: 6,238,979 km (0.116 R)
• M13: 7,440,848 km (0.111 R)
• M14: 7,932,427 km (0.043 R)
• M15: 9,595,656 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 11.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.93 AU - 4.21 AU

Year: 4575 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,925,805 km

• M1: 147,952 km (0.097 R)
• M2: 782,846 km (0.073 R)
• M3: 1,289,683 km (0.07 R)
• M4: 2,377,858 km (0.087 R)
• M5: 3,048,356 km (0.101 R)
• M6: 3,598,427 km (0.058 R)
• M7: 4,740,457 km (0.1 R)
• M8: 5,805,145 km (0.079 R)
• M9: 6,203,973 km (0.072 R)
• M10: 6,621,052 km (0.064 R)
• M11: 7,583,714 km (0.05 R)
• M12: 8,875,342 km (0.102 R)
• M13: 12,037,393 km (0.103 R)
• M14: 14,115,905 km (0.108 R)
• M15: 14,953,803 km (0.069 R)
• M16: 16,122,163 km (0.079 R)
• M17: 19,376,066 km (0.091 R)
• M18: 19,992,559 km (0.119 R)
• M19: 20,834,944 km (0.052 R)
• M20: 21,627,813 km (0.096 R)
• M21: 22,068,678 km (0.113 R)
• M22: 22,665,723 km (0.097 R)
• M23: 23,044,355 km (0.086 R)
• M24: 24,921,060 km (0.109 R)
• M25: 25,487,139 km (0.082 R)
• M26: 26,227,499 km (0.091 R)
• M27: 27,322,256 km (0.059 R)
• M28: 29,873,797 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 9.8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.31 AU - 3.99 AU

Year: 4730 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,925,805 km

• M1: 123,867 km (0.065 R)
• M2: 453,431 km (0.077 R)
• M3: 1,019,509 km (0.059 R)
• M4: 1,416,542 km (0.058 R)
• M5: 1,861,446 km (0.115 R)
• M6: 3,291,153 km (0.102 R)
• M7: 4,054,850 km (0.085 R)
• M8: 4,959,319 km (0.1 R)
• M9: 5,841,198 km (0.096 R)
• M10: 7,232,907 km (0.099 R)
• M11: 8,715,273 km (0.096 R)
• M12: 10,659,147 km (0.052 R)
• M13: 10,978,389 km (0.062 R)
• M14: 14,644,435 km (0.099 R)
• M15: 16,813,604 km (0.081 R)
• M16: 17,624,125 km (0.053 R)
• M17: 21,344,026 km (0.094 R)
• M18: 29,660,022 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.4

Radius: 11.8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.01 AU - 5.47 AU

Year: 6999 Days

Day: 7.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,925,805 km

• M1: 167,998 km (0.101 R)
• M2: 1,022,202 km (0.102 R)
• M3: 2,387,432 km (0.116 R)
• M4: 3,230,117 km (0.076 R)
• M5: 5,252,830 km (0.078 R)
• M6: 6,603,100 km (0.054 R)
• M7: 8,296,399 km (0.085 R)
• M8: 9,378,739 km (0.104 R)
• M9: 13,535,765 km (0.092 R)
• M10: 15,157,555 km (0.1 R)
• M11: 16,638,275 km (0.104 R)
• M12: 17,793,171 km (0.109 R)
• M13: 22,298,610 km (0.098 R)
• M14: 22,869,326 km (0.12 R)
• M15: 26,049,627 km (0.081 R)
• M16: 30,102,832 km (0.091 R)
• M17: 30,800,257 km (0.051 R)
• M18: 31,712,654 km (0.078 R)
• M19: 34,993,934 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 6.4

Gravity: 23.98 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.76 AU - 7.24 AU

Year: 12561 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,925,805 km

• M1: 79,736 km (0.112 R)
• M2: 291,716 km (0.118 R)
• M3: 545,583 km (0.077 R)
• M4: 1,171,501 km (0.104 R)
• M5: 1,862,643 km (0.065 R)
• M6: 2,963,085 km (0.108 R)
• M7: 3,262,879 km (0.115 R)
• M8: 4,972,484 km (0.077 R)
• M9: 7,160,951 km (0.073 R)
• M10: 7,982,542 km (0.081 R)
• M11: 11,294,789 km (0.109 R)
• M12: 12,532,861 km (0.057 R)
• M13: 13,052,564 km (0.113 R)
• M14: 16,247,376 km (0.119 R)
• M15: 16,477,308 km (0.105 R)
• M16: 23,536,831 km (0.075 R)
• M17: 25,649,752 km (0.095 R)
• M18: 26,592,817 km (0.079 R)
• M19: 28,770,962 km (0.077 R)
• M20: 35,112,715 km (0.119 R)
• M21: 40,192,909 km (0.089 R)
• M22: 42,907,512 km (0.096 R)
• M23: 44,086,193 km (0.078 R)
• M24: 51,121,183 km (0.117 R)
• M25: 54,817,597 km (0.1 R)
• M26: 55,162,270 km (0.041 R)
• M27: 56,555,176 km (0.087 R)
• M28: 59,957,181 km (0.112 R)
• M29: 60,690,360 km (0.07 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: 478 - 11,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit