🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 9.8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.99 AU - 1.57 AU

Year: 1018 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,584,399 km

• M1: 121,922 km (0.101 R)
• M2: 483,052 km (0.099 R)
• M3: 971,788 km (0.08 R)
• M4: 1,951,355 km (0.056 R)
• M5: 2,318,318 km (0.094 R)
• M6: 2,680,345 km (0.116 R)
• M7: 3,094,133 km (0.029 R)
• M8: 3,458,703 km (0.08 R)
• M9: 5,173,693 km (0.077 R)
• M10: 5,499,966 km (0.111 R)
• M11: 5,818,310 km (0.034 R)
• M12: 6,171,511 km (0.118 R)
• M13: 8,049,263 km (0.112 R)
• M14: 8,544,582 km (0.037 R)
• M15: 9,415,241 km (0.069 R)
• M16: 10,027,844 km (0.071 R)
• M17: 11,062,912 km (0.099 R)
• M18: 11,503,179 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 12.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.06 AU - 2.58 AU

Year: 2484 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,584,399 km

• M1: 151,692 km (0.088 R)
• M2: 626,067 km (0.117 R)
• M3: 1,027,289 km (0.08 R)
• M4: 1,607,728 km (0.101 R)
• M5: 2,295,430 km (0.071 R)
• M6: 3,927,542 km (0.057 R)
• M7: 4,482,102 km (0.106 R)
• M8: 5,749,046 km (0.103 R)
• M9: 6,627,335 km (0.098 R)
• M10: 8,047,767 km (0.115 R)
• M11: 9,909,213 km (0.107 R)
• M12: 10,940,691 km (0.12 R)
• M13: 11,601,016 km (0.04 R)
• M14: 13,087,271 km (0.095 R)
• M15: 14,465,815 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 10.7

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.14 AU - 2.58 AU

Year: 2548 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,584,399 km

• M1: 133,142 km (0.103 R)
• M2: 541,843 km (0.117 R)
• M3: 1,137,991 km (0.09 R)
• M4: 1,481,917 km (0.12 R)
• M5: 1,908,719 km (0.079 R)
• M6: 2,864,500 km (0.115 R)
• M7: 3,312,246 km (0.085 R)
• M8: 3,826,265 km (0.094 R)
• M9: 4,871,804 km (0.081 R)
• M10: 5,880,543 km (0.104 R)
• M11: 6,377,656 km (0.105 R)
• M12: 6,992,952 km (0.059 R)
• M13: 9,114,549 km (0.074 R)
• M14: 9,972,344 km (0.082 R)
• M15: 10,440,735 km (0.104 R)
• M16: 11,891,535 km (0.07 R)
• M17: 12,687,994 km (0.065 R)
• M18: 13,145,614 km (0.104 R)
• M19: 13,996,975 km (0.112 R)
• M20: 14,634,561 km (0.115 R)
• M21: 15,549,053 km (0.114 R)
• M22: 17,548,129 km (0.052 R)
• M23: 19,111,128 km (0.107 R)
• M24: 21,208,789 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 12.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.64 AU - 6.22 AU

Year: 8894 Days

Day: 14.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,584,399 km

• M1: 154,235 km (0.073 R)
• M2: 718,967 km (0.092 R)
• M3: 1,544,149 km (0.114 R)
• M4: 1,956,441 km (0.114 R)
• M5: 2,678,550 km (0.062 R)
• M6: 3,853,492 km (0.095 R)
• M7: 5,498,619 km (0.074 R)
• M8: 6,973,654 km (0.037 R)
• M9: 7,532,402 km (0.061 R)
• M10: 7,961,150 km (0.069 R)
• M11: 8,364,915 km (0.105 R)
• M12: 9,170,050 km (0.077 R)
• M13: 13,305,235 km (0.096 R)
• M14: 14,284,203 km (0.113 R)
• M15: 14,821,409 km (0.025 R)
• M16: 15,558,777 km (0.104 R)
• M17: 19,618,265 km (0.073 R)
• M18: 20,507,475 km (0.118 R)
• M19: 20,961,953 km (0.095 R)
• M20: 22,606,183 km (0.037 R)
• M21: 26,061,295 km (0.1 R)
• M22: 27,045,051 km (0.119 R)
• M23: 27,591,981 km (0.064 R)
• M24: 30,145,018 km (0.105 R)
• M25: 36,045,009 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435

Radius: 7.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.48 AU - 6.16 AU

Year: 9869 Days

Day: 17.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,584,399 km

• M1: 96,491 km (0.096 R)
• M2: 341,382 km (0.107 R)
• M3: 687,701 km (0.065 R)
• M4: 1,980,975 km (0.036 R)
• M5: 2,261,621 km (0.08 R)
• M6: 2,742,727 km (0.083 R)
• M7: 3,959,108 km (0.076 R)
• M8: 5,037,559 km (0.08 R)
• M9: 7,721,195 km (0.069 R)
• M10: 8,294,903 km (0.038 R)
• M11: 9,163,318 km (0.081 R)
• M12: 10,235,486 km (0.096 R)
• M13: 10,479,181 km (0.059 R)
• M14: 10,776,881 km (0.119 R)
• M15: 11,080,116 km (0.097 R)
• M16: 12,794,657 km (0.062 R)
• M17: 13,773,925 km (0.104 R)
• M18: 18,194,542 km (0.079 R)
• M19: 22,643,583 km (0.105 R)
• M20: 23,058,118 km (0.077 R)
• M21: 23,562,113 km (0.028 R)
• M22: 24,159,458 km (0.098 R)
• M23: 25,473,226 km (0.102 R)
• M24: 28,338,325 km (0.078 R)
• M25: 29,013,909 km (0.072 R)
• M26: 32,134,819 km (0.049 R)
• M27: 35,695,698 km (0.06 R)
• M28: 39,511,042 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.9

Radius: 5.3

Gravity: 21.53 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.93 AU - 6.01 AU

Year: 10253 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,584,399 km

• M1: 65,973 km (0.077 R)
• M2: 422,913 km (0.114 R)
• M3: 831,166 km (0.079 R)
• M4: 1,377,796 km (0.099 R)
• M5: 2,772,348 km (0.06 R)
• M6: 3,167,885 km (0.107 R)
• M7: 3,550,107 km (0.076 R)
• M8: 6,259,923 km (0.095 R)
• M9: 7,136,417 km (0.053 R)
• M10: 9,607,325 km (0.091 R)
• M11: 12,192,226 km (0.047 R)
• M12: 13,797,860 km (0.106 R)
• M13: 16,637,527 km (0.114 R)
• M14: 19,296,181 km (0.096 R)
• M15: 21,466,696 km (0.088 R)
• M16: 26,668,812 km (0.117 R)
• M17: 27,840,912 km (0.115 R)
• M18: 28,641,111 km (0.075 R)
• M19: 30,602,788 km (0.106 R)
• M20: 31,133,561 km (0.08 R)
• M21: 35,602,648 km (0.049 R)
• M22: 36,071,787 km (0.106 R)
• M23: 36,663,895 km (0.107 R)
• M24: 37,022,331 km (0.118 R)
• M25: 37,867,709 km (0.052 R)
• M26: 38,111,554 km (0.083 R)
• M27: 40,863,855 km (0.115 R)
• M28: 41,636,827 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.38 AU - 8.84 AU

Year: 14757 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,584,399 km

• M1: 87,515 km (0.094 R)
• M2: 571,015 km (0.035 R)
• M3: 2,680,644 km (0.054 R)
• M4: 3,828,060 km (0.066 R)
• M5: 6,853,378 km (0.045 R)
• M6: 7,898,768 km (0.088 R)
• M7: 8,503,891 km (0.055 R)
• M8: 9,046,782 km (0.027 R)
• M9: 11,182,890 km (0.059 R)
• M10: 12,282,584 km (0.098 R)
• M11: 12,683,955 km (0.113 R)
• M12: 13,573,613 km (0.074 R)
• M13: 15,147,682 km (0.05 R)
• M14: 17,767,440 km (0.043 R)
• M15: 19,337,619 km (0.102 R)
• M16: 33,774,562 km (0.079 R)
• M17: 34,675,889 km (0.074 R)
• M18: 35,132,462 km (0.109 R)
• M19: 38,320,093 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.3

Radius: 7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.99 AU - 8.27 AU

Year: 16295 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,584,399 km

• M1: 87,216 km (0.105 R)
• M2: 344,225 km (0.108 R)
• M3: 671,994 km (0.1 R)
• M4: 1,398,142 km (0.065 R)
• M5: 2,336,719 km (0.105 R)
• M6: 2,713,257 km (0.118 R)
• M7: 3,252,707 km (0.091 R)
• M8: 6,377,656 km (0.106 R)
• M9: 9,819,305 km (0.064 R)
• M10: 17,379,233 km (0.072 R)
• M11: 19,219,138 km (0.05 R)
• M12: 20,486,680 km (0.11 R)
• M13: 33,650,096 km (0.091 R)
• M14: 35,862,350 km (0.119 R)
• M15: 36,875,875 km (0.085 R)
• M16: 37,648,548 km (0.086 R)
• M17: 44,512,398 km (0.105 R)
• M18: 53,302,021 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.9

Radius: 7.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.71 AU - 10.57 AU

Year: 17852 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,584,399 km

• M1: 103,971 km (0.116 R)
• M2: 400,773 km (0.082 R)
• M3: 1,248,245 km (0.072 R)
• M4: 1,567,337 km (0.061 R)
• M5: 3,149,484 km (0.084 R)
• M6: 3,719,153 km (0.11 R)
• M7: 5,550,530 km (0.079 R)
• M8: 10,429,664 km (0.114 R)
• M9: 10,819,965 km (0.098 R)
• M10: 13,631,508 km (0.054 R)
• M11: 20,214,861 km (0.096 R)
• M12: 27,260,472 km (0.109 R)
• M13: 31,908,029 km (0.079 R)
• M14: 34,173,689 km (0.102 R)
• M15: 43,160,930 km (0.074 R)
• M16: 50,216,864 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 3.7

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.98 AU - 11.02 AU

Year: 22228 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,584,399 km

• M1: 46,076 km (0.112 R)
• M2: 487,539 km (0.103 R)
• M3: 1,438,832 km (0.098 R)
• M4: 2,052,333 km (0.104 R)
• M5: 2,427,674 km (0.095 R)
• M6: 2,598,665 km (0.117 R)
• M7: 3,390,935 km (0.099 R)
• M8: 3,577,783 km (0.098 R)
• M9: 4,240,202 km (0.096 R)
• M10: 9,421,225 km (0.106 R)
• M11: 14,442,627 km (0.094 R)
• M12: 15,147,084 km (0.07 R)
• M13: 16,548,068 km (0.118 R)
• M14: 17,476,173 km (0.11 R)
• M15: 19,604,951 km (0.114 R)
• M16: 22,923,031 km (0.118 R)
• M17: 33,235,261 km (0.095 R)
• M18: 55,399,682 km (0.119 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: 533 - 14,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit