🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 12.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,708,345 km

• M1: 158,275 km (0.077 R)
• M2: 681,119 km (0.063 R)
• M3: 1,209,200 km (0.063 R)
• M4: 1,694,794 km (0.096 R)
• M5: 2,481,978 km (0.094 R)
• M6: 3,378,369 km (0.084 R)
• M7: 3,908,095 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 10.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,708,345 km

• M1: 135,536 km (0.081 R)
• M2: 480,808 km (0.037 R)
• M3: 824,434 km (0.062 R)
• M4: 1,788,293 km (0.088 R)
• M5: 2,349,883 km (0.119 R)
• M6: 2,783,867 km (0.045 R)
• M7: 3,135,721 km (0.112 R)
• M8: 3,481,591 km (0.118 R)
• M9: 3,853,043 km (0.111 R)
• M10: 4,389,800 km (0.099 R)
• M11: 4,991,183 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 10.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.97 AU - 1.13 AU

Year: 730 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,708,345 km

• M1: 130,001 km (0.071 R)
• M2: 461,360 km (0.098 R)
• M3: 791,223 km (0.111 R)
• M4: 1,330,972 km (0.092 R)
• M5: 1,686,118 km (0.047 R)
• M6: 2,174,255 km (0.083 R)
• M7: 2,653,118 km (0.064 R)
• M8: 3,054,789 km (0.077 R)
• M9: 3,785,125 km (0.099 R)
• M10: 4,198,763 km (0.116 R)
• M11: 4,960,965 km (0.114 R)
• M12: 5,490,840 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 8.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.25 AU - 1.27 AU

Year: 959 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,708,345 km

• M1: 105,915 km (0.089 R)
• M2: 397,033 km (0.087 R)
• M3: 722,857 km (0.047 R)
• M4: 1,057,059 km (0.098 R)
• M5: 1,843,794 km (0.112 R)
• M6: 2,141,045 km (0.098 R)
• M7: 2,470,609 km (0.099 R)
• M8: 3,460,199 km (0.111 R)
• M9: 3,868,900 km (0.114 R)
• M10: 4,675,233 km (0.099 R)
• M11: 5,429,056 km (0.099 R)
• M12: 6,349,382 km (0.119 R)
• M13: 6,846,795 km (0.11 R)
• M14: 7,919,711 km (0.11 R)
• M15: 8,204,546 km (0.082 R)
• M16: 10,150,964 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 9.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.62 AU - 2.42 AU

Year: 1947 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,708,345 km

• M1: 123,269 km (0.05 R)
• M2: 454,628 km (0.056 R)
• M3: 1,064,239 km (0.097 R)
• M4: 1,431,502 km (0.105 R)
• M5: 1,749,547 km (0.088 R)
• M6: 2,115,314 km (0.1 R)
• M7: 2,429,320 km (0.091 R)
• M8: 2,944,984 km (0.118 R)
• M9: 3,819,832 km (0.1 R)
• M10: 4,716,970 km (0.099 R)
• M11: 5,301,898 km (0.114 R)
• M12: 5,612,164 km (0.099 R)
• M13: 6,846,646 km (0.058 R)
• M14: 9,009,681 km (0.113 R)
• M15: 9,452,790 km (0.106 R)
• M16: 10,486,063 km (0.071 R)
• M17: 12,270,466 km (0.038 R)
• M18: 12,974,025 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 11.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.4 AU - 5.24 AU

Year: 6090 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,708,345 km

• M1: 140,472 km (0.066 R)
• M2: 577,298 km (0.068 R)
• M3: 1,178,831 km (0.029 R)
• M4: 1,926,521 km (0.077 R)
• M5: 2,439,792 km (0.095 R)
• M6: 3,319,278 km (0.091 R)
• M7: 3,969,131 km (0.113 R)
• M8: 4,912,046 km (0.1 R)
• M9: 5,937,539 km (0.059 R)
• M10: 7,238,293 km (0.07 R)
• M11: 7,591,344 km (0.084 R)
• M12: 8,332,153 km (0.11 R)
• M13: 9,079,992 km (0.054 R)
• M14: 9,958,132 km (0.104 R)
• M15: 10,440,136 km (0.104 R)
• M16: 11,593,685 km (0.107 R)
• M17: 13,349,067 km (0.108 R)
• M18: 13,827,780 km (0.072 R)
• M19: 16,759,898 km (0.119 R)
• M20: 19,399,702 km (0.028 R)
• M21: 21,210,734 km (0.11 R)
• M22: 22,083,488 km (0.069 R)
• M23: 24,448,930 km (0.063 R)
• M24: 24,845,663 km (0.109 R)
• M25: 25,652,145 km (0.119 R)
• M26: 26,475,831 km (0.085 R)
• M27: 27,232,198 km (0.104 R)
• M28: 28,437,508 km (0.111 R)
• M29: 29,230,826 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 10.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.49 AU - 6.59 AU

Year: 8844 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,708,345 km

• M1: 126,859 km (0.118 R)
• M2: 614,099 km (0.027 R)
• M3: 2,503,371 km (0.066 R)
• M4: 3,625,654 km (0.098 R)
• M5: 4,274,011 km (0.051 R)
• M6: 4,941,816 km (0.111 R)
• M7: 7,665,096 km (0.08 R)
• M8: 8,207,089 km (0.055 R)
• M9: 9,025,389 km (0.089 R)
• M10: 10,400,194 km (0.091 R)
• M11: 10,729,010 km (0.034 R)
• M12: 11,909,636 km (0.099 R)
• M13: 19,563,063 km (0.118 R)
• M14: 20,210,074 km (0.045 R)
• M15: 31,023,008 km (0.088 R)
• M16: 34,123,873 km (0.076 R)
• M17: 34,538,408 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 8.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.87 AU - 6.33 AU

Year: 8988 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,708,345 km

• M1: 109,506 km (0.062 R)
• M2: 411,843 km (0.102 R)
• M3: 715,227 km (0.119 R)
• M4: 1,384,079 km (0.043 R)
• M5: 1,759,869 km (0.111 R)
• M6: 2,885,893 km (0.118 R)
• M7: 3,682,800 km (0.067 R)
• M8: 3,971,823 km (0.087 R)
• M9: 4,411,192 km (0.098 R)
• M10: 7,018,085 km (0.093 R)
• M11: 9,327,577 km (0.048 R)
• M12: 11,612,535 km (0.104 R)
• M13: 12,056,691 km (0.098 R)
• M14: 15,973,163 km (0.045 R)
• M15: 16,745,986 km (0.036 R)
• M16: 18,246,901 km (0.117 R)
• M17: 19,337,320 km (0.104 R)
• M18: 19,835,630 km (0.099 R)
• M19: 22,049,679 km (0.091 R)
• M20: 23,286,105 km (0.1 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: 537 - 12,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit