🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 11

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,193,140 km

• M1: 136,882 km (0.091 R)
• M2: 571,314 km (0.045 R)
• M3: 1,279,211 km (0.071 R)
• M4: 1,697,188 km (0.052 R)
• M5: 2,271,045 km (0.079 R)
• M6: 4,034,655 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 10.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.15 AU - 1.27 AU

Year: 919 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,193,140 km

• M1: 131,646 km (0.109 R)
• M2: 482,603 km (0.117 R)
• M3: 1,120,488 km (0.118 R)
• M4: 1,573,171 km (0.083 R)
• M5: 2,942,889 km (0.087 R)
• M6: 3,402,753 km (0.03 R)
• M7: 3,988,728 km (0.085 R)
• M8: 5,519,862 km (0.04 R)
• M9: 5,863,788 km (0.08 R)
• M10: 6,707,520 km (0.119 R)
• M11: 7,099,765 km (0.095 R)
• M12: 7,854,786 km (0.055 R)
• M13: 8,797,552 km (0.085 R)
• M14: 9,128,163 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 9.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.13 AU - 1.41 AU

Year: 988 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,193,140 km

• M1: 116,836 km (0.111 R)
• M2: 433,385 km (0.083 R)
• M3: 860,188 km (0.108 R)
• M4: 1,161,927 km (0.111 R)
• M5: 1,757,027 km (0.112 R)
• M6: 2,351,978 km (0.116 R)
• M7: 2,933,016 km (0.115 R)
• M8: 3,237,298 km (0.073 R)
• M9: 3,592,144 km (0.061 R)
• M10: 4,655,785 km (0.08 R)
• M11: 4,961,114 km (0.118 R)
• M12: 5,632,210 km (0.104 R)
• M13: 7,014,345 km (0.116 R)
• M14: 7,660,458 km (0.095 R)
• M15: 8,961,511 km (0.083 R)
• M16: 9,578,303 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.7

Radius: 10.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.66 AU - 1.98 AU

Year: 1695 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,193,140 km

• M1: 134,339 km (0.116 R)
• M2: 642,672 km (0.085 R)
• M3: 988,842 km (0.096 R)
• M4: 1,395,299 km (0.075 R)
• M5: 1,767,648 km (0.067 R)
• M6: 2,125,038 km (0.092 R)
• M7: 2,802,267 km (0.113 R)
• M8: 3,501,637 km (0.107 R)
• M9: 3,893,135 km (0.042 R)
• M10: 5,624,132 km (0.064 R)
• M11: 6,163,432 km (0.06 R)
• M12: 6,840,063 km (0.103 R)
• M13: 7,345,555 km (0.078 R)
• M14: 7,705,487 km (0.115 R)
• M15: 8,164,902 km (0.094 R)
• M16: 9,106,920 km (0.047 R)
• M17: 10,324,347 km (0.075 R)
• M18: 11,062,015 km (0.07 R)
• M19: 13,201,115 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 14.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.7 AU - 2.48 AU

Year: 2086 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,193,140 km

• M1: 186,249 km (0.069 R)
• M2: 641,924 km (0.108 R)
• M3: 1,090,419 km (0.101 R)
• M4: 1,556,117 km (0.079 R)
• M5: 2,530,448 km (0.12 R)
• M6: 3,041,325 km (0.087 R)
• M7: 3,496,102 km (0.114 R)
• M8: 4,295,104 km (0.079 R)
• M9: 4,760,653 km (0.092 R)
• M10: 6,500,027 km (0.117 R)
• M11: 7,589,698 km (0.055 R)
• M12: 8,403,062 km (0.075 R)
• M13: 9,067,725 km (0.098 R)
• M14: 9,695,887 km (0.05 R)
• M15: 10,807,100 km (0.111 R)
• M16: 12,631,147 km (0.071 R)
• M17: 13,238,514 km (0.069 R)
• M18: 13,819,851 km (0.037 R)
• M19: 14,652,812 km (0.086 R)
• M20: 16,115,431 km (0.031 R)
• M21: 16,726,987 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 8.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.09 AU - 3.25 AU

Year: 3011 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,193,140 km

• M1: 110,702 km (0.119 R)
• M2: 420,220 km (0.048 R)
• M3: 803,789 km (0.087 R)
• M4: 1,244,804 km (0.062 R)
• M5: 2,178,145 km (0.113 R)
• M6: 2,617,813 km (0.082 R)
• M7: 4,256,957 km (0.081 R)
• M8: 4,779,353 km (0.109 R)
• M9: 5,498,470 km (0.032 R)
• M10: 6,547,450 km (0.114 R)
• M11: 7,433,668 km (0.049 R)
• M12: 8,467,389 km (0.075 R)
• M13: 8,892,097 km (0.054 R)
• M14: 10,134,209 km (0.081 R)
• M15: 11,530,854 km (0.074 R)
• M16: 12,866,165 km (0.102 R)
• M17: 13,145,165 km (0.037 R)
• M18: 14,651,466 km (0.05 R)
• M19: 16,926,849 km (0.106 R)
• M20: 17,773,125 km (0.085 R)
• M21: 18,235,831 km (0.078 R)
• M22: 18,529,192 km (0.11 R)
• M23: 20,230,120 km (0.094 R)
• M24: 21,377,087 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 10.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.22 AU - 3.34 AU

Year: 3199 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,193,140 km

• M1: 127,158 km (0.078 R)
• M2: 528,978 km (0.115 R)
• M3: 975,827 km (0.115 R)
• M4: 1,547,141 km (0.084 R)
• M5: 2,539,873 km (0.099 R)
• M6: 2,935,260 km (0.03 R)
• M7: 3,399,462 km (0.115 R)
• M8: 3,730,821 km (0.04 R)
• M9: 4,276,854 km (0.114 R)
• M10: 7,671,229 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.3

Radius: 14.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.92 AU - 4.38 AU

Year: 4813 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,193,140 km

• M1: 175,329 km (0.04 R)
• M2: 619,036 km (0.084 R)
• M3: 1,094,757 km (0.079 R)
• M4: 2,123,392 km (0.103 R)
• M5: 2,906,537 km (0.115 R)
• M6: 3,517,196 km (0.101 R)
• M7: 4,496,314 km (0.103 R)
• M8: 5,593,614 km (0.117 R)
• M9: 6,115,860 km (0.084 R)
• M10: 8,766,734 km (0.049 R)
• M11: 10,091,424 km (0.075 R)
• M12: 10,648,526 km (0.079 R)
• M13: 11,499,738 km (0.117 R)
• M14: 12,108,003 km (0.057 R)
• M15: 13,697,031 km (0.101 R)
• M16: 15,421,297 km (0.078 R)
• M17: 16,161,507 km (0.109 R)
• M18: 16,687,942 km (0.109 R)
• M19: 17,529,430 km (0.091 R)
• M20: 19,297,228 km (0.05 R)
• M21: 19,889,934 km (0.107 R)
• M22: 21,250,677 km (0.095 R)
• M23: 24,768,770 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 10

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.55 AU - 5.57 AU

Year: 7857 Days

Day: 7.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 18,193,140 km

• M1: 124,316 km (0.068 R)
• M2: 678,576 km (0.119 R)
• M3: 1,194,090 km (0.097 R)
• M4: 1,858,006 km (0.051 R)
• M5: 2,642,048 km (0.106 R)
• M6: 3,284,870 km (0.069 R)
• M7: 4,126,358 km (0.087 R)
• M8: 4,744,945 km (0.112 R)
• M9: 6,496,138 km (0.106 R)
• M10: 7,778,790 km (0.086 R)
• M11: 8,400,220 km (0.089 R)
• M12: 8,929,198 km (0.115 R)
• M13: 9,265,643 km (0.074 R)
• M14: 10,189,410 km (0.063 R)
• M15: 11,028,953 km (0.035 R)
• M16: 12,322,377 km (0.057 R)
• M17: 12,898,927 km (0.085 R)
• M18: 15,030,098 km (0.112 R)
• M19: 15,507,166 km (0.115 R)
• M20: 16,554,201 km (0.052 R)
• M21: 16,998,806 km (0.049 R)
• M22: 18,044,944 km (0.091 R)
• M23: 20,121,512 km (0.053 R)
• M24: 24,825,916 km (0.105 R)
• M25: 25,492,824 km (0.055 R)
• M26: 28,100,165 km (0.081 R)
• M27: 30,027,883 km (0.091 R)
• M28: 31,846,395 km (0.116 R)
• M29: 33,534,906 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.5

Radius: 4.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.63 AU - 6.95 AU

Year: 9617 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,193,140 km

• M1: 69,713 km (0.049 R)
• M2: 241,601 km (0.077 R)
• M3: 1,152,203 km (0.053 R)
• M4: 1,606,980 km (0.083 R)
• M5: 2,721,484 km (0.066 R)
• M6: 3,254,202 km (0.105 R)
• M7: 6,247,057 km (0.047 R)
• M8: 7,522,529 km (0.116 R)
• M9: 9,063,836 km (0.095 R)
• M10: 10,164,128 km (0.081 R)
• M11: 11,035,985 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 17,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit