🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 14.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 5.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,845,856 km

• M1: 185,352 km (0.106 R)
• M2: 717,322 km (0.104 R)
• M3: 1,317,508 km (0.093 R)
• M4: 1,850,077 km (0.031 R)
• M5: 2,617,813 km (0.106 R)
• M6: 3,082,464 km (0.097 R)
• M7: 3,625,654 km (0.045 R)
• M8: 4,169,293 km (0.088 R)
• M9: 4,697,972 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 9.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 80 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,845,856 km

• M1: 115,639 km (0.093 R)
• M2: 418,575 km (0.063 R)
• M3: 758,162 km (0.053 R)
• M4: 1,056,011 km (0.086 R)
• M5: 1,397,543 km (0.065 R)
• M6: 1,850,825 km (0.1 R)
• M7: 2,215,245 km (0.111 R)
• M8: 2,635,615 km (0.091 R)
• M9: 3,209,622 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 8.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 362 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,845,856 km

• M1: 110,852 km (0.099 R)
• M2: 468,092 km (0.078 R)
• M3: 833,410 km (0.1 R)
• M4: 1,651,860 km (0.1 R)
• M5: 2,296,776 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.2

Radius: 14.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.74 AU - 1.16 AU

Year: 639 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,845,856 km

• M1: 176,525 km (0.07 R)
• M2: 962,214 km (0.081 R)
• M3: 2,074,324 km (0.077 R)
• M4: 2,805,708 km (0.112 R)
• M5: 3,276,343 km (0.092 R)
• M6: 5,051,023 km (0.056 R)
• M7: 5,680,830 km (0.088 R)
• M8: 6,148,622 km (0.088 R)
• M9: 6,662,491 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 8.3

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.27 AU - 2.91 AU

Year: 2877 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,845,856 km

• M1: 103,223 km (0.096 R)
• M2: 404,064 km (0.118 R)
• M3: 674,537 km (0.057 R)
• M4: 1,712,596 km (0.118 R)
• M5: 2,051,136 km (0.083 R)
• M6: 2,731,508 km (0.095 R)
• M7: 3,476,804 km (0.072 R)
• M8: 4,002,341 km (0.071 R)
• M9: 5,287,686 km (0.08 R)
• M10: 5,817,263 km (0.119 R)
• M11: 6,294,779 km (0.112 R)
• M12: 6,859,062 km (0.082 R)
• M13: 7,818,284 km (0.113 R)
• M14: 8,612,200 km (0.047 R)
• M15: 8,900,625 km (0.087 R)
• M16: 9,420,926 km (0.112 R)
• M17: 9,882,884 km (0.11 R)
• M18: 10,645,235 km (0.073 R)
• M19: 12,422,906 km (0.075 R)
• M20: 13,025,636 km (0.033 R)
• M21: 13,941,325 km (0.089 R)
• M22: 14,239,324 km (0.119 R)
• M23: 14,848,037 km (0.073 R)
• M24: 15,739,790 km (0.118 R)
• M25: 16,280,736 km (0.087 R)
• M26: 17,572,215 km (0.089 R)
• M27: 17,978,373 km (0.117 R)
• M28: 18,390,814 km (0.081 R)
• M29: 18,749,400 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.6

Radius: 12.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.42 AU - 3.06 AU

Year: 3131 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,845,856 km

• M1: 156,629 km (0.076 R)
• M2: 632,649 km (0.119 R)
• M3: 1,067,680 km (0.078 R)
• M4: 1,629,570 km (0.086 R)
• M5: 2,325,798 km (0.084 R)
• M6: 2,727,768 km (0.065 R)
• M7: 3,555,193 km (0.049 R)
• M8: 4,519,950 km (0.109 R)
• M9: 5,281,104 km (0.052 R)
• M10: 8,084,568 km (0.092 R)
• M11: 9,786,094 km (0.064 R)
• M12: 10,847,641 km (0.108 R)
• M13: 13,247,191 km (0.07 R)
• M14: 15,492,655 km (0.078 R)
• M15: 16,762,292 km (0.091 R)
• M16: 19,633,973 km (0.117 R)
• M17: 23,666,084 km (0.084 R)
• M18: 24,242,335 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893

Radius: 7.2

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.96 AU - 8.6 AU

Year: 13558 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,845,856 km

• M1: 89,609 km (0.079 R)
• M2: 387,907 km (0.092 R)
• M3: 753,225 km (0.119 R)
• M4: 1,364,333 km (0.114 R)
• M5: 2,091,677 km (0.097 R)
• M6: 2,955,306 km (0.099 R)
• M7: 3,307,908 km (0.095 R)
• M8: 6,782,468 km (0.053 R)
• M9: 11,218,494 km (0.102 R)
• M10: 11,459,496 km (0.1 R)
• M11: 12,014,654 km (0.089 R)
• M12: 12,717,165 km (0.1 R)
• M13: 15,803,070 km (0.115 R)
• M14: 16,490,622 km (0.028 R)
• M15: 17,438,175 km (0.117 R)
• M16: 17,843,436 km (0.106 R)
• M17: 18,672,956 km (0.081 R)
• M18: 19,354,823 km (0.078 R)
• M19: 20,587,958 km (0.09 R)
• M20: 23,015,483 km (0.056 R)
• M21: 25,419,820 km (0.055 R)
• M22: 26,789,687 km (0.087 R)
• M23: 28,208,174 km (0.061 R)
• M24: 30,721,419 km (0.104 R)
• M25: 39,288,590 km (0.056 R)
• M26: 43,148,663 km (0.11 R)
• M27: 46,320,138 km (0.08 R)
• M28: 51,115,648 km (0.104 R)
• M29: 53,122,952 km (0.054 R)
• M30: 53,632,931 km (0.082 R)
• M31: 54,317,790 km (0.111 R)
• M32: 56,055,818 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995

Radius: 6.3

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.69 AU - 9.41 AU

Year: 15765 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 33,845,856 km

• M1: 83,027 km (0.041 R)
• M2: 402,418 km (0.09 R)
• M3: 720,463 km (0.118 R)
• M4: 1,354,609 km (0.103 R)
• M5: 1,556,566 km (0.031 R)
• M6: 1,833,023 km (0.113 R)
• M7: 2,203,726 km (0.051 R)
• M8: 2,576,674 km (0.064 R)
• M9: 3,591,845 km (0.049 R)
• M10: 5,717,182 km (0.08 R)
• M11: 6,335,470 km (0.092 R)
• M12: 8,201,853 km (0.062 R)
• M13: 12,034,550 km (0.058 R)
• M14: 13,047,328 km (0.101 R)
• M15: 14,410,164 km (0.112 R)
• M16: 15,551,147 km (0.101 R)
• M17: 18,270,986 km (0.067 R)
• M18: 20,157,864 km (0.11 R)
• M19: 23,895,417 km (0.106 R)
• M20: 24,843,718 km (0.099 R)
• M21: 25,489,832 km (0.116 R)
• M22: 31,690,813 km (0.062 R)
• M23: 32,196,005 km (0.114 R)
• M24: 32,834,937 km (0.088 R)
• M25: 35,205,166 km (0.071 R)
• M26: 39,842,401 km (0.099 R)
• M27: 40,727,123 km (0.112 R)
• M28: 44,397,207 km (0.058 R)
• M29: 45,029,557 km (0.106 R)
• M30: 47,126,172 km (0.093 R)
• M31: 50,993,576 km (0.114 R)
• M32: 54,163,854 km (0.108 R)
• M33: 55,614,205 km (0.039 R)
• M34: 58,591,951 km (0.072 R)
• M35: 60,312,925 km (0.084 R)
• M36: 63,454,929 km (0.047 R)
• M37: 70,063,116 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.4

Radius: 3.6

Gravity: 37.45 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.37 AU - 9.89 AU

Year: 16001 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 33,845,856 km

• M1: 44,730 km (0.058 R)
• M2: 321,785 km (0.112 R)
• M3: 519,105 km (0.045 R)
• M4: 862,432 km (0.084 R)
• M5: 1,002,007 km (0.057 R)
• M6: 1,768,247 km (0.086 R)
• M7: 1,905,578 km (0.111 R)
• M8: 2,702,635 km (0.068 R)
• M9: 3,275,595 km (0.098 R)
• M10: 4,953,335 km (0.068 R)
• M11: 5,547,388 km (0.03 R)
• M12: 6,750,454 km (0.108 R)
• M13: 7,346,901 km (0.115 R)
• M14: 7,568,156 km (0.11 R)
• M15: 7,793,750 km (0.109 R)
• M16: 9,243,204 km (0.066 R)
• M17: 9,501,110 km (0.078 R)
• M18: 9,763,804 km (0.061 R)
• M19: 14,238,277 km (0.092 R)
• M20: 15,574,634 km (0.075 R)
• M21: 16,161,507 km (0.083 R)
• M22: 16,611,348 km (0.057 R)
• M23: 21,577,249 km (0.111 R)
• M24: 21,757,814 km (0.041 R)
• M25: 22,305,940 km (0.055 R)
• M26: 22,863,342 km (0.052 R)
• M27: 27,447,769 km (0.087 R)
• M28: 28,628,096 km (0.039 R)
• M29: 34,668,409 km (0.112 R)
• M30: 41,784,331 km (0.032 R)
• M31: 47,488,647 km (0.115 R)
• M32: 51,889,517 km (0.1 R)
• M33: 57,763,029 km (0.077 R)
• M34: 58,461,202 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.8

Radius: 6.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.31 AU - 9.09 AU

Year: 16208 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 138.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,845,856 km

• M1: 82,129 km (0.095 R)
• M2: 292,464 km (0.103 R)
• M3: 823,237 km (0.109 R)
• M4: 1,306,438 km (0.069 R)
• M5: 1,631,215 km (0.092 R)
• M6: 2,823,061 km (0.101 R)
• M7: 3,097,723 km (0.072 R)
• M8: 3,433,271 km (0.083 R)
• M9: 4,327,866 km (0.111 R)
• M10: 4,995,821 km (0.119 R)
• M11: 11,222,084 km (0.12 R)
• M12: 11,663,099 km (0.074 R)
• M13: 14,903,538 km (0.075 R)
• M14: 18,025,496 km (0.081 R)
• M15: 21,632,750 km (0.098 R)
• M16: 22,701,178 km (0.098 R)
• M17: 22,934,550 km (0.12 R)
• M18: 30,897,346 km (0.094 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: 464 - 18,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit