🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 9.1

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.91 AU - 2.75 AU

Year: 2333 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,858,949 km

• M1: 113,246 km (0.083 R)
• M2: 414,386 km (0.036 R)
• M3: 721,062 km (0.118 R)
• M4: 1,298,210 km (0.06 R)
• M5: 2,120,251 km (0.07 R)
• M6: 2,623,348 km (0.118 R)
• M7: 3,323,317 km (0.12 R)
• M8: 4,408,799 km (0.069 R)
• M9: 4,796,557 km (0.113 R)
• M10: 5,277,514 km (0.077 R)
• M11: 6,362,846 km (0.079 R)
• M12: 7,651,183 km (0.104 R)
• M13: 9,174,089 km (0.077 R)
• M14: 10,432,507 km (0.06 R)
• M15: 10,889,379 km (0.074 R)
• M16: 12,048,762 km (0.082 R)
• M17: 12,722,701 km (0.089 R)
• M18: 14,895,460 km (0.08 R)
• M19: 15,919,607 km (0.1 R)
• M20: 16,423,453 km (0.089 R)
• M21: 16,782,488 km (0.093 R)
• M22: 17,891,008 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.53 AU - 2.71 AU

Year: 2782 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,858,949 km

• M1: 178,620 km (0.082 R)
• M2: 667,506 km (0.114 R)
• M3: 1,378,993 km (0.062 R)
• M4: 1,901,539 km (0.042 R)
• M5: 3,149,334 km (0.106 R)
• M6: 3,812,951 km (0.095 R)
• M7: 4,591,159 km (0.119 R)
• M8: 5,808,586 km (0.102 R)
• M9: 6,636,760 km (0.111 R)
• M10: 7,765,326 km (0.066 R)
• M11: 8,291,462 km (0.102 R)
• M12: 9,786,992 km (0.094 R)
• M13: 10,839,263 km (0.085 R)
• M14: 11,708,876 km (0.075 R)
• M15: 12,182,802 km (0.104 R)
• M16: 14,402,385 km (0.118 R)
• M17: 17,430,097 km (0.099 R)
• M18: 19,449,818 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 9.9

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.23 AU - 6.61 AU

Year: 8278 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,858,949 km

• M1: 156,180 km (0.088 R)
• M2: 485,295 km (0.115 R)
• M3: 918,830 km (0.083 R)
• M4: 1,497,923 km (0.07 R)
• M5: 2,165,579 km (0.115 R)
• M6: 2,934,213 km (0.077 R)
• M7: 5,160,827 km (0.11 R)
• M8: 6,092,822 km (0.077 R)
• M9: 6,488,209 km (0.092 R)
• M10: 9,279,257 km (0.094 R)
• M11: 10,197,488 km (0.099 R)
• M12: 10,550,539 km (0.093 R)
• M13: 11,175,111 km (0.073 R)
• M14: 15,189,121 km (0.096 R)
• M15: 17,805,887 km (0.049 R)
• M16: 21,854,304 km (0.096 R)
• M17: 22,697,587 km (0.115 R)
• M18: 25,727,543 km (0.102 R)
• M19: 34,348,868 km (0.085 R)
• M20: 40,550,597 km (0.057 R)
• M21: 41,823,226 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36

Radius: 4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.71 AU - 7.45 AU

Year: 9835 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,858,949 km

• M1: 50,414 km (0.109 R)
• M2: 181,013 km (0.086 R)
• M3: 2,412,415 km (0.076 R)
• M4: 3,398,415 km (0.106 R)
• M5: 3,742,041 km (0.106 R)
• M6: 7,853,140 km (0.109 R)
• M7: 14,522,961 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.6

Radius: 5.4

Gravity: 30.51 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.84 AU - 8.2 AU

Year: 12202 Days

Day: 24.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,858,949 km

• M1: 91,255 km (0.11 R)
• M2: 311,463 km (0.105 R)
• M3: 502,649 km (0.114 R)
• M4: 923,019 km (0.083 R)
• M5: 1,202,468 km (0.034 R)
• M6: 2,191,310 km (0.072 R)
• M7: 3,112,982 km (0.112 R)
• M8: 6,500,177 km (0.107 R)
• M9: 6,704,977 km (0.065 R)
• M10: 7,170,824 km (0.099 R)
• M11: 7,567,857 km (0.115 R)
• M12: 8,847,068 km (0.117 R)
• M13: 12,379,822 km (0.059 R)
• M14: 15,124,195 km (0.115 R)
• M15: 16,147,145 km (0.058 R)
• M16: 16,372,290 km (0.103 R)
• M17: 22,053,269 km (0.109 R)
• M18: 23,175,702 km (0.113 R)
• M19: 24,830,255 km (0.079 R)
• M20: 25,029,968 km (0.117 R)
• M21: 26,250,836 km (0.12 R)
• M22: 28,700,651 km (0.096 R)
• M23: 32,594,982 km (0.1 R)
• M24: 34,296,060 km (0.1 R)
• M25: 38,271,324 km (0.093 R)
• M26: 38,805,688 km (0.108 R)
• M27: 41,974,919 km (0.114 R)
• M28: 48,044,703 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.6

Radius: 5.4

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.87 AU - 9.05 AU

Year: 13366 Days

Day: 21.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,858,949 km

• M1: 68,516 km (0.059 R)
• M2: 303,235 km (0.117 R)
• M3: 564,134 km (0.103 R)
• M4: 1,043,146 km (0.094 R)
• M5: 1,408,913 km (0.105 R)
• M6: 2,042,460 km (0.07 R)
• M7: 2,222,426 km (0.079 R)
• M8: 3,121,360 km (0.096 R)
• M9: 3,536,194 km (0.099 R)
• M10: 4,970,240 km (0.098 R)
• M11: 6,179,589 km (0.109 R)
• M12: 6,636,012 km (0.088 R)
• M13: 7,196,406 km (0.106 R)
• M14: 9,456,979 km (0.091 R)
• M15: 14,055,917 km (0.097 R)
• M16: 14,910,719 km (0.075 R)
• M17: 15,939,653 km (0.11 R)
• M18: 17,758,165 km (0.091 R)
• M19: 23,395,611 km (0.117 R)
• M20: 23,668,627 km (0.093 R)
• M21: 24,036,039 km (0.068 R)
• M22: 29,691,886 km (0.049 R)
• M23: 35,212,197 km (0.108 R)
• M24: 35,570,933 km (0.032 R)
• M25: 46,342,578 km (0.114 R)

Asteroid Belt

Center: 9.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.3

Radius: 7.8

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9 AU - 12.26 AU

Year: 22736 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,858,949 km

• M1: 98,435 km (0.102 R)
• M2: 412,591 km (0.09 R)
• M3: 669,301 km (0.116 R)
• M4: 1,374,356 km (0.11 R)
• M5: 2,121,747 km (0.092 R)
• M6: 2,646,686 km (0.116 R)
• M7: 3,033,695 km (0.09 R)
• M8: 4,117,981 km (0.111 R)
• M9: 4,425,404 km (0.081 R)
• M10: 5,009,883 km (0.113 R)
• M11: 5,281,254 km (0.119 R)
• M12: 7,268,213 km (0.114 R)
• M13: 7,616,776 km (0.112 R)
• M14: 7,872,588 km (0.047 R)
• M15: 8,564,478 km (0.095 R)
• M16: 9,181,121 km (0.072 R)
• M17: 11,013,246 km (0.08 R)
• M18: 12,859,433 km (0.092 R)
• M19: 15,794,394 km (0.078 R)
• M20: 18,223,115 km (0.107 R)
• M21: 20,103,261 km (0.052 R)
• M22: 25,362,673 km (0.061 R)
• M23: 28,184,837 km (0.119 R)
• M24: 30,178,528 km (0.074 R)
• M25: 31,340,455 km (0.091 R)
• M26: 32,935,467 km (0.107 R)
• M27: 37,452,575 km (0.053 R)
• M28: 41,571,303 km (0.052 R)
• M29: 53,822,472 km (0.084 R)
• M30: 62,301,380 km (0.095 R)
• M31: 65,885,146 km (0.048 R)
• M32: 68,937,840 km (0.085 R)
• M33: 69,604,000 km (0.11 R)
• M34: 73,691,612 km (0.104 R)
• M35: 80,363,677 km (0.095 R)
• M36: 81,843,948 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 19,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit