🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 11.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.7 AU - 0.96 AU

Year: 481 Days

Day: 13.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,453,617 km

• M1: 140,622 km (0.05 R)
• M2: 521,498 km (0.084 R)
• M3: 1,367,923 km (0.073 R)
• M4: 1,916,349 km (0.062 R)
• M5: 2,805,110 km (0.083 R)
• M6: 3,262,430 km (0.069 R)
• M7: 3,852,744 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 14.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.85 AU - 1.19 AU

Year: 655 Days

Day: 13.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,453,617 km

• M1: 179,069 km (0.071 R)
• M2: 902,524 km (0.081 R)
• M3: 1,674,898 km (0.074 R)
• M4: 2,191,459 km (0.12 R)
• M5: 3,273,501 km (0.084 R)
• M6: 4,003,389 km (0.113 R)
• M7: 4,472,528 km (0.076 R)
• M8: 4,943,462 km (0.046 R)
• M9: 6,289,543 km (0.114 R)
• M10: 7,104,253 km (0.086 R)
• M11: 7,772,507 km (0.114 R)
• M12: 8,307,170 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 13.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.05 AU - 1.27 AU

Year: 794 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,453,617 km

• M1: 165,455 km (0.051 R)
• M2: 637,137 km (0.065 R)
• M3: 1,174,194 km (0.119 R)
• M4: 1,719,029 km (0.11 R)
• M5: 2,180,539 km (0.095 R)
• M6: 2,749,160 km (0.111 R)
• M7: 3,714,515 km (0.11 R)
• M8: 4,415,232 km (0.111 R)
• M9: 4,930,147 km (0.112 R)
• M10: 7,357,971 km (0.087 R)
• M11: 8,388,701 km (0.068 R)
• M12: 8,912,443 km (0.065 R)
• M13: 9,402,226 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 12.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.98 AU - 1.58 AU

Year: 921 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,453,617 km

• M1: 159,172 km (0.065 R)
• M2: 655,987 km (0.119 R)
• M3: 1,216,679 km (0.053 R)
• M4: 2,233,197 km (0.07 R)
• M5: 3,151,429 km (0.07 R)
• M6: 4,042,882 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 14.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.62 AU - 1.68 AU

Year: 1348 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,453,617 km

• M1: 181,761 km (0.114 R)
• M2: 719,416 km (0.094 R)
• M3: 1,233,883 km (0.054 R)
• M4: 1,792,482 km (0.119 R)
• M5: 2,700,391 km (0.071 R)
• M6: 4,432,136 km (0.072 R)
• M7: 6,817,325 km (0.112 R)
• M8: 8,274,109 km (0.117 R)
• M9: 9,364,827 km (0.092 R)
• M10: 9,899,639 km (0.118 R)
• M11: 10,644,487 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 9.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.57 AU - 2.35 AU

Year: 1745 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,453,617 km

• M1: 154,834 km (0.101 R)
• M2: 888,761 km (0.077 R)
• M3: 2,000,273 km (0.112 R)
• M4: 2,343,451 km (0.117 R)
• M5: 3,274,847 km (0.113 R)
• M6: 3,618,025 km (0.106 R)
• M7: 4,113,044 km (0.103 R)
• M8: 4,513,517 km (0.083 R)
• M9: 4,940,021 km (0.105 R)
• M10: 5,687,262 km (0.1 R)
• M11: 6,432,708 km (0.104 R)
• M12: 7,187,579 km (0.115 R)
• M13: 8,998,462 km (0.057 R)
• M14: 9,576,657 km (0.101 R)
• M15: 12,608,557 km (0.04 R)
• M16: 13,788,885 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 14.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.33 AU - 3.95 AU

Year: 4416 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,453,617 km

• M1: 182,809 km (0.06 R)
• M2: 660,774 km (0.054 R)
• M3: 2,181,885 km (0.108 R)
• M4: 2,775,340 km (0.089 R)
• M5: 3,247,022 km (0.111 R)
• M6: 4,006,979 km (0.111 R)
• M7: 4,526,832 km (0.12 R)
• M8: 5,234,280 km (0.098 R)
• M9: 6,337,115 km (0.063 R)
• M10: 6,987,866 km (0.074 R)
• M11: 7,682,898 km (0.109 R)
• M12: 8,226,088 km (0.12 R)
• M13: 9,497,520 km (0.113 R)
• M14: 10,896,260 km (0.107 R)
• M15: 11,749,267 km (0.06 R)
• M16: 13,773,177 km (0.091 R)
• M17: 16,330,552 km (0.113 R)
• M18: 18,559,261 km (0.094 R)
• M19: 19,717,149 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.6

Radius: 4.8

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.94 AU - 7.54 AU

Year: 9911 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,453,617 km

• M1: 61,335 km (0.101 R)
• M2: 223,948 km (0.102 R)
• M3: 418,874 km (0.077 R)
• M4: 652,696 km (0.025 R)
• M5: 869,164 km (0.054 R)
• M6: 1,373,458 km (0.082 R)
• M7: 1,689,708 km (0.083 R)
• M8: 2,085,394 km (0.1 R)
• M9: 3,434,618 km (0.117 R)
• M10: 3,621,615 km (0.112 R)
• M11: 4,067,417 km (0.083 R)
• M12: 4,466,095 km (0.111 R)
• M13: 4,632,747 km (0.1 R)
• M14: 5,592,567 km (0.089 R)
• M15: 7,007,314 km (0.106 R)
• M16: 7,270,606 km (0.092 R)
• M17: 9,079,544 km (0.118 R)
• M18: 10,966,272 km (0.088 R)
• M19: 12,652,240 km (0.105 R)
• M20: 16,330,702 km (0.063 R)
• M21: 19,757,092 km (0.045 R)
• M22: 24,311,000 km (0.069 R)
• M23: 25,088,610 km (0.044 R)
• M24: 27,150,966 km (0.08 R)
• M25: 27,987,817 km (0.107 R)
• M26: 29,810,667 km (0.097 R)
• M27: 30,402,326 km (0.1 R)
• M28: 35,092,220 km (0.058 R)
• M29: 37,895,085 km (0.09 R)
• M30: 38,822,592 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.3

Radius: 5.7

Gravity: 28.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.59 AU - 11.15 AU

Year: 22786 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,453,617 km

• M1: 78,688 km (0.077 R)
• M2: 271,670 km (0.091 R)
• M3: 481,406 km (0.114 R)
• M4: 758,910 km (0.069 R)
• M5: 1,365,978 km (0.115 R)
• M6: 1,909,766 km (0.112 R)
• M7: 3,415,020 km (0.038 R)
• M8: 5,575,513 km (0.107 R)
• M9: 5,832,073 km (0.091 R)
• M10: 7,438,305 km (0.1 R)
• M11: 8,178,067 km (0.062 R)
• M12: 9,437,980 km (0.025 R)
• M13: 10,240,423 km (0.065 R)
• M14: 10,496,235 km (0.12 R)
• M15: 12,698,914 km (0.116 R)
• M16: 14,701,581 km (0.113 R)
• M17: 16,465,490 km (0.065 R)
• M18: 16,994,318 km (0.111 R)
• M19: 17,443,561 km (0.072 R)
• M20: 20,813,103 km (0.051 R)
• M21: 21,431,092 km (0.086 R)
• M22: 26,582,644 km (0.117 R)
• M23: 27,066,144 km (0.051 R)
• M24: 28,425,989 km (0.12 R)
• M25: 30,748,346 km (0.109 R)
• M26: 36,355,873 km (0.098 R)
• M27: 37,705,096 km (0.066 R)
• M28: 43,938,989 km (0.106 R)
• M29: 47,564,194 km (0.075 R)
• M30: 56,191,354 km (0.093 R)
• M31: 56,987,364 km (0.117 R)
• M32: 63,628,163 km (0.076 R)
• M33: 64,275,922 km (0.086 R)
• M34: 65,146,582 km (0.107 R)
• M35: 66,911,238 km (0.106 R)
• M36: 75,007,026 km (0.098 R)
• M37: 77,189,509 km (0.106 R)
• M38: 87,935,872 km (0.105 R)
• M39: 88,203,204 km (0.067 R)
• M40: 89,547,939 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit