🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 14.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.16 AU - 1.28 AU

Year: 914 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,783,043 km

• M1: 182,809 km (0.118 R)
• M2: 766,240 km (0.079 R)
• M3: 1,236,426 km (0.066 R)
• M4: 1,746,705 km (0.063 R)
• M5: 2,208,065 km (0.085 R)
• M6: 2,936,606 km (0.079 R)
• M7: 3,633,882 km (0.113 R)
• M8: 4,893,047 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 8.4

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.27 AU - 1.83 AU

Year: 1309 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,783,043 km

• M1: 104,419 km (0.094 R)
• M2: 462,856 km (0.054 R)
• M3: 759,957 km (0.096 R)
• M4: 1,047,035 km (0.096 R)
• M5: 1,350,121 km (0.062 R)
• M6: 1,809,835 km (0.036 R)
• M7: 2,160,492 km (0.114 R)
• M8: 2,569,044 km (0.108 R)
• M9: 3,232,960 km (0.119 R)
• M10: 3,621,615 km (0.043 R)
• M11: 4,549,421 km (0.056 R)
• M12: 4,918,030 km (0.069 R)
• M13: 5,223,060 km (0.116 R)
• M14: 5,671,405 km (0.028 R)
• M15: 6,029,991 km (0.086 R)
• M16: 6,620,454 km (0.099 R)
• M17: 8,508,828 km (0.092 R)
• M18: 8,860,083 km (0.102 R)
• M19: 9,343,584 km (0.088 R)
• M20: 9,844,587 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 9.9

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.18 AU - 1.96 AU

Year: 1334 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,783,043 km

• M1: 123,269 km (0.055 R)
• M2: 595,848 km (0.1 R)
• M3: 964,607 km (0.08 R)
• M4: 1,487,900 km (0.064 R)
• M5: 1,891,216 km (0.048 R)
• M6: 2,718,792 km (0.045 R)
• M7: 3,373,282 km (0.065 R)
• M8: 3,771,213 km (0.109 R)
• M9: 4,417,775 km (0.101 R)
• M10: 6,067,540 km (0.112 R)
• M11: 7,900,114 km (0.109 R)
• M12: 9,598,947 km (0.12 R)
• M13: 12,584,921 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 9.1

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.09 AU - 3.35 AU

Year: 3043 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,783,043 km

• M1: 113,994 km (0.113 R)
• M2: 441,314 km (0.097 R)
• M3: 1,082,939 km (0.08 R)
• M4: 1,400,834 km (0.098 R)
• M5: 1,893,610 km (0.09 R)
• M6: 2,608,239 km (0.066 R)
• M7: 3,245,077 km (0.085 R)
• M8: 4,310,962 km (0.046 R)
• M9: 5,514,477 km (0.096 R)
• M10: 6,093,720 km (0.118 R)
• M11: 6,472,352 km (0.106 R)
• M12: 7,373,529 km (0.075 R)
• M13: 9,008,634 km (0.063 R)
• M14: 9,772,780 km (0.119 R)
• M15: 10,170,860 km (0.051 R)
• M16: 10,496,983 km (0.118 R)
• M17: 12,417,670 km (0.074 R)
• M18: 14,510,245 km (0.098 R)
• M19: 15,186,727 km (0.076 R)
• M20: 16,827,666 km (0.07 R)
• M21: 20,010,211 km (0.12 R)
• M22: 21,575,155 km (0.119 R)
• M23: 22,524,951 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 11.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.25 AU - 5.39 AU

Year: 6090 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,783,043 km

• M1: 140,921 km (0.073 R)
• M2: 625,917 km (0.082 R)
• M3: 1,149,211 km (0.097 R)
• M4: 2,145,383 km (0.055 R)
• M5: 2,515,787 km (0.081 R)
• M6: 3,052,993 km (0.09 R)
• M7: 3,544,722 km (0.106 R)
• M8: 4,312,907 km (0.117 R)
• M9: 5,452,094 km (0.06 R)
• M10: 6,843,953 km (0.111 R)
• M11: 12,152,733 km (0.047 R)
• M12: 13,992,786 km (0.068 R)
• M13: 22,941,133 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 10.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.86 AU - 6.02 AU

Year: 8606 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,783,043 km

• M1: 138,976 km (0.092 R)
• M2: 506,090 km (0.063 R)
• M3: 1,762,413 km (0.076 R)
• M4: 6,473,549 km (0.098 R)
• M5: 7,046,957 km (0.09 R)
• M6: 7,535,694 km (0.067 R)
• M7: 8,485,042 km (0.037 R)
• M8: 8,939,221 km (0.082 R)
• M9: 9,307,381 km (0.091 R)
• M10: 13,392,899 km (0.118 R)
• M11: 14,369,923 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.1

Radius: 7.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.74 AU - 7.88 AU

Year: 10751 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,783,043 km

• M1: 98,884 km (0.108 R)
• M2: 694,882 km (0.06 R)
• M3: 1,016,966 km (0.113 R)
• M4: 1,293,423 km (0.113 R)
• M5: 2,864,799 km (0.108 R)
• M6: 3,635,976 km (0.103 R)
• M7: 7,456,257 km (0.072 R)
• M8: 8,471,428 km (0.073 R)
• M9: 10,331,229 km (0.08 R)
• M10: 11,227,919 km (0.087 R)
• M11: 13,871,762 km (0.105 R)
• M12: 14,169,013 km (0.057 R)
• M13: 15,784,071 km (0.051 R)
• M14: 17,935,738 km (0.072 R)
• M15: 20,123,606 km (0.094 R)
• M16: 25,022,039 km (0.103 R)
• M17: 27,558,022 km (0.119 R)
• M18: 33,559,440 km (0.067 R)
• M19: 36,073,582 km (0.119 R)
• M20: 37,090,698 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.5

Radius: 3.5

Gravity: 72.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.95 AU - 7.79 AU

Year: 12213 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,783,043 km

• M1: 43,832 km (0.116 R)
• M2: 165,605 km (0.11 R)
• M3: 326,123 km (0.081 R)
• M4: 985,850 km (0.079 R)
• M5: 1,394,252 km (0.043 R)
• M6: 2,014,635 km (0.111 R)
• M7: 2,427,375 km (0.086 R)
• M8: 3,013,500 km (0.037 R)
• M9: 4,748,685 km (0.053 R)
• M10: 5,882,039 km (0.099 R)
• M11: 6,113,018 km (0.045 R)
• M12: 6,310,038 km (0.042 R)
• M13: 6,511,397 km (0.095 R)
• M14: 6,758,533 km (0.104 R)
• M15: 7,140,905 km (0.098 R)
• M16: 11,021,922 km (0.118 R)
• M17: 11,551,200 km (0.096 R)
• M18: 16,034,797 km (0.107 R)
• M19: 17,098,887 km (0.084 R)
• M20: 17,254,618 km (0.1 R)
• M21: 17,411,247 km (0.113 R)
• M22: 18,290,135 km (0.114 R)
• M23: 21,282,840 km (0.091 R)
• M24: 21,553,612 km (0.106 R)
• M25: 21,918,182 km (0.116 R)
• M26: 22,659,739 km (0.107 R)
• M27: 25,184,802 km (0.12 R)
• M28: 25,487,737 km (0.119 R)
• M29: 26,410,906 km (0.045 R)
• M30: 30,327,378 km (0.102 R)
• M31: 32,067,500 km (0.032 R)
• M32: 32,662,002 km (0.035 R)
• M33: 37,160,859 km (0.063 R)
• M34: 38,346,721 km (0.112 R)
• M35: 43,198,629 km (0.095 R)
• M36: 44,509,256 km (0.076 R)
• M37: 48,443,830 km (0.119 R)
• M38: 53,763,380 km (0.085 R)
• M39: 57,169,574 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.2

Radius: 3.4

Gravity: 47.85 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7 AU - 7.22 AU

Year: 12859 Days

Day: 24.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,783,043 km

• M1: 42,336 km (0.114 R)
• M2: 227,538 km (0.088 R)
• M3: 349,909 km (0.048 R)
• M4: 483,500 km (0.119 R)
• M5: 675,584 km (0.03 R)
• M6: 980,016 km (0.091 R)
• M7: 1,139,188 km (0.09 R)
• M8: 1,770,491 km (0.103 R)
• M9: 1,954,945 km (0.115 R)
• M10: 2,060,860 km (0.087 R)
• M11: 2,441,886 km (0.063 R)
• M12: 2,801,370 km (0.076 R)
• M13: 3,243,581 km (0.05 R)
• M14: 3,571,948 km (0.087 R)
• M15: 3,784,677 km (0.096 R)
• M16: 5,142,427 km (0.047 R)
• M17: 7,038,430 km (0.084 R)
• M18: 7,805,568 km (0.102 R)
• M19: 7,938,710 km (0.11 R)
• M20: 8,301,036 km (0.062 R)
• M21: 8,769,278 km (0.094 R)
• M22: 9,107,369 km (0.081 R)
• M23: 11,837,680 km (0.109 R)
• M24: 13,419,228 km (0.087 R)
• M25: 16,407,146 km (0.097 R)
• M26: 17,443,561 km (0.087 R)
• M27: 19,974,756 km (0.088 R)
• M28: 21,938,229 km (0.051 R)
• M29: 22,470,797 km (0.097 R)
• M30: 24,782,832 km (0.057 R)
• M31: 29,549,469 km (0.109 R)
• M32: 29,764,890 km (0.113 R)
• M33: 36,352,432 km (0.107 R)
• M34: 51,061,643 km (0.112 R)
• M35: 51,995,882 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 14,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit