🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.26 AU - 1.36 AU

Year: 953 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,654,530 km

• M1: 175,329 km (0.082 R)
• M2: 667,655 km (0.107 R)
• M3: 1,567,935 km (0.104 R)
• M4: 2,023,311 km (0.046 R)
• M5: 2,658,953 km (0.085 R)
• M6: 3,263,926 km (0.091 R)
• M7: 4,113,941 km (0.094 R)
• M8: 4,981,459 km (0.086 R)
• M9: 5,887,424 km (0.037 R)
• M10: 6,338,163 km (0.099 R)
• M11: 6,878,510 km (0.091 R)
• M12: 7,332,839 km (0.075 R)
• M13: 8,176,421 km (0.116 R)
• M14: 9,164,665 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 11.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.34 AU - 1.62 AU

Year: 1145 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,654,530 km

• M1: 147,952 km (0.051 R)
• M2: 578,345 km (0.079 R)
• M3: 1,594,564 km (0.069 R)
• M4: 2,272,092 km (0.026 R)
• M5: 2,763,671 km (0.078 R)
• M6: 3,367,448 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.6

Radius: 12.3

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.9 AU - 2.6 AU

Year: 2146 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,654,530 km

• M1: 155,731 km (0.091 R)
• M2: 693,835 km (0.061 R)
• M3: 1,093,560 km (0.119 R)
• M4: 1,664,127 km (0.11 R)
• M5: 2,822,313 km (0.063 R)
• M6: 4,069,062 km (0.026 R)
• M7: 4,895,142 km (0.05 R)
• M8: 5,408,711 km (0.098 R)
• M9: 6,654,861 km (0.118 R)
• M10: 7,256,993 km (0.07 R)
• M11: 7,770,712 km (0.028 R)
• M12: 9,318,451 km (0.101 R)
• M13: 10,036,072 km (0.116 R)
• M14: 11,950,476 km (0.074 R)
• M15: 12,711,331 km (0.112 R)
• M16: 13,236,420 km (0.03 R)
• M17: 15,830,297 km (0.092 R)
• M18: 17,114,744 km (0.116 R)
• M19: 17,809,627 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 14.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.32 AU - 2.4 AU

Year: 2305 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,654,530 km

• M1: 185,801 km (0.083 R)
• M2: 882,029 km (0.05 R)
• M3: 1,469,799 km (0.056 R)
• M4: 2,106,787 km (0.042 R)
• M5: 2,779,678 km (0.116 R)
• M6: 3,301,326 km (0.091 R)
• M7: 3,980,351 km (0.087 R)
• M8: 4,856,844 km (0.072 R)
• M9: 5,504,005 km (0.071 R)
• M10: 6,334,871 km (0.06 R)
• M11: 7,459,997 km (0.106 R)
• M12: 7,970,724 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 10.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.59 AU - 3.95 AU

Year: 4654 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,654,530 km

• M1: 126,859 km (0.09 R)
• M2: 788,231 km (0.1 R)
• M3: 1,184,366 km (0.1 R)
• M4: 2,309,642 km (0.091 R)
• M5: 3,485,780 km (0.101 R)
• M6: 4,856,246 km (0.103 R)
• M7: 5,193,440 km (0.095 R)
• M8: 5,861,245 km (0.098 R)
• M9: 6,413,261 km (0.08 R)
• M10: 7,029,604 km (0.101 R)
• M11: 7,620,964 km (0.109 R)
• M12: 9,118,140 km (0.057 R)
• M13: 9,521,156 km (0.065 R)
• M14: 10,012,885 km (0.083 R)
• M15: 11,463,386 km (0.118 R)
• M16: 12,416,025 km (0.101 R)
• M17: 17,985,703 km (0.099 R)
• M18: 19,935,562 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 14.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.3 AU - 5.68 AU

Year: 8179 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,654,530 km

• M1: 185,501 km (0.069 R)
• M2: 1,004,400 km (0.083 R)
• M3: 1,887,476 km (0.12 R)
• M4: 3,405,895 km (0.107 R)
• M5: 4,140,869 km (0.079 R)
• M6: 5,130,459 km (0.085 R)
• M7: 7,578,329 km (0.095 R)
• M8: 10,875,915 km (0.082 R)
• M9: 12,474,368 km (0.058 R)
• M10: 14,224,813 km (0.114 R)
• M11: 19,012,244 km (0.114 R)
• M12: 31,205,517 km (0.096 R)
• M13: 32,462,888 km (0.082 R)
• M14: 39,141,236 km (0.115 R)
• M15: 39,746,209 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.5

Radius: 4.8

Gravity: 37.74 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.07 AU - 7.37 AU

Year: 9863 Days

Day: 19.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,654,530 km

• M1: 65,075 km (0.029 R)
• M2: 236,514 km (0.118 R)
• M3: 440,566 km (0.097 R)
• M4: 1,187,209 km (0.083 R)
• M5: 1,378,395 km (0.118 R)
• M6: 1,604,736 km (0.093 R)
• M7: 3,625,804 km (0.115 R)
• M8: 7,365,750 km (0.104 R)
• M9: 7,793,600 km (0.057 R)
• M10: 11,776,045 km (0.068 R)
• M11: 12,124,608 km (0.079 R)
• M12: 12,720,756 km (0.098 R)
• M13: 15,577,626 km (0.041 R)
• M14: 16,425,248 km (0.093 R)
• M15: 17,303,088 km (0.078 R)
• M16: 18,834,970 km (0.108 R)
• M17: 22,786,149 km (0.088 R)
• M18: 25,966,151 km (0.096 R)
• M19: 26,556,315 km (0.111 R)
• M20: 28,070,993 km (0.088 R)
• M21: 31,939,445 km (0.052 R)
• M22: 34,470,341 km (0.113 R)
• M23: 39,150,960 km (0.095 R)
• M24: 46,649,852 km (0.097 R)
• M25: 47,961,526 km (0.118 R)
• M26: 51,270,781 km (0.054 R)
• M27: 51,424,717 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.5

Radius: 6.6

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.49 AU - 11.21 AU

Year: 18178 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,654,530 km

• M1: 82,129 km (0.109 R)
• M2: 318,793 km (0.081 R)
• M3: 596,596 km (0.108 R)
• M4: 1,096,403 km (0.066 R)
• M5: 1,325,587 km (0.099 R)
• M6: 1,586,785 km (0.046 R)
• M7: 1,863,989 km (0.109 R)
• M8: 2,516,386 km (0.12 R)
• M9: 4,262,642 km (0.093 R)
• M10: 6,054,974 km (0.096 R)
• M11: 6,868,487 km (0.101 R)
• M12: 8,815,653 km (0.057 R)
• M13: 9,915,347 km (0.082 R)
• M14: 10,557,720 km (0.05 R)
• M15: 10,797,974 km (0.114 R)
• M16: 12,854,496 km (0.069 R)
• M17: 16,568,563 km (0.034 R)
• M18: 17,555,759 km (0.076 R)
• M19: 19,376,963 km (0.043 R)
• M20: 20,011,109 km (0.089 R)
• M21: 22,686,218 km (0.111 R)
• M22: 24,736,756 km (0.105 R)
• M23: 26,134,000 km (0.095 R)
• M24: 32,884,754 km (0.043 R)
• M25: 35,773,638 km (0.109 R)
• M26: 40,564,061 km (0.104 R)
• M27: 41,006,272 km (0.082 R)
• M28: 46,084,222 km (0.111 R)
• M29: 48,359,606 km (0.104 R)
• M30: 54,552,210 km (0.06 R)
• M31: 64,000,363 km (0.11 R)
• M32: 66,419,659 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 11,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit