🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 13.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.48 AU - 0.76 AU

Year: 331 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,280,035 km

• M1: 169,195 km (0.069 R)
• M2: 621,130 km (0.091 R)
• M3: 1,074,562 km (0.062 R)
• M4: 1,591,721 km (0.101 R)
• M5: 2,135,809 km (0.111 R)
• M6: 2,735,547 km (0.097 R)
• M7: 3,160,704 km (0.099 R)
• M8: 3,797,392 km (0.041 R)
• M9: 4,383,367 km (0.107 R)
• M10: 4,840,389 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 8.2

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,280,035 km

• M1: 102,026 km (0.074 R)
• M2: 418,724 km (0.113 R)
• M3: 861,684 km (0.116 R)
• M4: 1,334,862 km (0.083 R)
• M5: 1,732,493 km (0.117 R)
• M6: 2,121,447 km (0.101 R)
• M7: 2,387,582 km (0.056 R)
• M8: 2,966,526 km (0.104 R)
• M9: 3,927,692 km (0.061 R)
• M10: 4,458,615 km (0.07 R)
• M11: 4,748,984 km (0.093 R)
• M12: 5,255,822 km (0.07 R)
• M13: 5,663,327 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 14.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.9 AU - 0.92 AU

Year: 589 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,280,035 km

• M1: 185,801 km (0.094 R)
• M2: 724,054 km (0.065 R)
• M3: 1,536,370 km (0.119 R)
• M4: 2,056,971 km (0.083 R)
• M5: 2,548,849 km (0.116 R)
• M6: 3,097,873 km (0.09 R)
• M7: 3,828,060 km (0.103 R)
• M8: 4,438,569 km (0.079 R)
• M9: 5,305,040 km (0.055 R)
• M10: 5,804,996 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 8.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.85 AU - 3.23 AU

Year: 3595 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,280,035 km

• M1: 116,088 km (0.102 R)
• M2: 396,883 km (0.056 R)
• M3: 819,198 km (0.079 R)
• M4: 1,112,410 km (0.078 R)
• M5: 2,414,360 km (0.088 R)
• M6: 3,379,117 km (0.047 R)
• M7: 4,711,735 km (0.102 R)
• M8: 4,980,263 km (0.098 R)
• M9: 6,717,094 km (0.071 R)
• M10: 7,988,377 km (0.106 R)
• M11: 8,680,865 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 8.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.57 AU - 4.99 AU

Year: 7088 Days

Day: 14.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,280,035 km

• M1: 103,671 km (0.048 R)
• M2: 371,900 km (0.111 R)
• M3: 975,977 km (0.106 R)
• M4: 1,283,400 km (0.091 R)
• M5: 1,922,183 km (0.099 R)
• M6: 6,137,701 km (0.113 R)
• M7: 7,593,887 km (0.115 R)
• M8: 8,995,021 km (0.084 R)
• M9: 9,451,593 km (0.096 R)
• M10: 12,692,631 km (0.098 R)
• M11: 13,035,510 km (0.038 R)
• M12: 13,679,977 km (0.08 R)
• M13: 14,223,018 km (0.074 R)
• M14: 14,906,081 km (0.118 R)
• M15: 16,404,903 km (0.102 R)
• M16: 18,217,131 km (0.042 R)
• M17: 19,396,561 km (0.067 R)
• M18: 19,851,637 km (0.111 R)
• M19: 21,420,321 km (0.043 R)
• M20: 22,733,491 km (0.118 R)
• M21: 24,891,590 km (0.103 R)
• M22: 28,622,561 km (0.113 R)
• M23: 36,134,318 km (0.12 R)
• M24: 36,708,026 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.7

Radius: 6

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.83 AU - 11.35 AU

Year: 21738 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,280,035 km

• M1: 74,649 km (0.103 R)
• M2: 643,869 km (0.105 R)
• M3: 1,319,453 km (0.098 R)
• M4: 1,599,800 km (0.071 R)
• M5: 8,440,910 km (0.072 R)
• M6: 14,016,273 km (0.114 R)
• M7: 15,914,969 km (0.093 R)
• M8: 16,394,879 km (0.077 R)
• M9: 21,158,076 km (0.079 R)
• M10: 28,603,113 km (0.036 R)
• M11: 30,520,359 km (0.113 R)
• M12: 34,875,752 km (0.119 R)
• M13: 36,506,817 km (0.111 R)
• M14: 45,910,689 km (0.048 R)
• M15: 47,209,498 km (0.109 R)
• M16: 49,710,176 km (0.119 R)
• M17: 60,597,310 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.9

Radius: 6.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.34 AU - 11.22 AU

Year: 22355 Days

Day: 16.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,280,035 km

• M1: 82,129 km (0.113 R)
• M2: 305,778 km (0.105 R)
• M3: 511,326 km (0.092 R)
• M4: 823,985 km (0.087 R)
• M5: 1,040,603 km (0.065 R)
• M6: 1,795,025 km (0.079 R)
• M7: 2,031,090 km (0.115 R)
• M8: 2,452,507 km (0.084 R)
• M9: 3,016,043 km (0.084 R)
• M10: 4,259,500 km (0.067 R)
• M11: 4,979,814 km (0.117 R)
• M12: 5,321,495 km (0.111 R)
• M13: 5,579,552 km (0.091 R)
• M14: 8,730,382 km (0.102 R)
• M15: 23,900,055 km (0.081 R)
• M16: 36,537,186 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit