🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 11.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.61 AU - 2.09 AU

Year: 1600 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,522,237 km

• M1: 140,622 km (0.088 R)
• M2: 550,221 km (0.092 R)
• M3: 927,507 km (0.075 R)
• M4: 1,338,452 km (0.053 R)
• M5: 1,984,865 km (0.108 R)
• M6: 2,374,866 km (0.114 R)
• M7: 2,736,893 km (0.119 R)
• M8: 3,783,629 km (0.067 R)
• M9: 4,462,953 km (0.066 R)
• M10: 5,221,863 km (0.093 R)
• M11: 6,019,370 km (0.067 R)
• M12: 6,435,850 km (0.105 R)
• M13: 7,456,855 km (0.111 R)
• M14: 7,910,735 km (0.118 R)
• M15: 8,727,540 km (0.096 R)
• M16: 9,445,161 km (0.075 R)
• M17: 11,481,936 km (0.083 R)
• M18: 11,979,648 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 8.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.26 AU - 3.66 AU

Year: 3238 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,522,237 km

• M1: 104,419 km (0.095 R)
• M2: 378,333 km (0.084 R)
• M3: 676,033 km (0.027 R)
• M4: 1,095,505 km (0.089 R)
• M5: 1,649,167 km (0.077 R)
• M6: 2,448,618 km (0.112 R)
• M7: 4,001,145 km (0.093 R)
• M8: 4,610,906 km (0.105 R)
• M9: 6,814,931 km (0.109 R)
• M10: 7,406,740 km (0.066 R)
• M11: 8,658,725 km (0.079 R)
• M12: 10,083,794 km (0.11 R)
• M13: 10,851,979 km (0.083 R)
• M14: 11,129,932 km (0.068 R)
• M15: 11,950,327 km (0.114 R)
• M16: 12,504,886 km (0.086 R)
• M17: 12,766,533 km (0.099 R)
• M18: 13,482,358 km (0.066 R)
• M19: 14,944,827 km (0.097 R)
• M20: 15,438,351 km (0.078 R)
• M21: 16,250,517 km (0.095 R)
• M22: 17,090,958 km (0.095 R)
• M23: 18,630,919 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 10.1

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.18 AU - 5.22 AU

Year: 5473 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,522,237 km

• M1: 125,662 km (0.108 R)
• M2: 473,178 km (0.088 R)
• M3: 998,267 km (0.053 R)
• M4: 1,320,201 km (0.109 R)
• M5: 1,902,735 km (0.063 R)
• M6: 2,509,803 km (0.089 R)
• M7: 3,140,209 km (0.089 R)
• M8: 4,584,576 km (0.083 R)
• M9: 5,152,450 km (0.054 R)
• M10: 5,920,037 km (0.106 R)
• M11: 6,594,274 km (0.105 R)
• M12: 9,131,903 km (0.034 R)
• M13: 11,710,821 km (0.093 R)
• M14: 12,208,682 km (0.067 R)
• M15: 12,565,623 km (0.109 R)
• M16: 15,379,858 km (0.119 R)
• M17: 16,342,969 km (0.092 R)
• M18: 19,198,942 km (0.114 R)
• M19: 19,891,580 km (0.117 R)
• M20: 20,315,092 km (0.119 R)
• M21: 21,547,928 km (0.068 R)
• M22: 22,906,875 km (0.11 R)
• M23: 25,878,337 km (0.063 R)
• M24: 29,369,652 km (0.085 R)
• M25: 31,227,808 km (0.051 R)
• M26: 31,800,319 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 8.8

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.03 AU - 4.43 AU

Year: 5532 Days

Day: 9.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,522,237 km

• M1: 109,506 km (0.054 R)
• M2: 391,797 km (0.114 R)
• M3: 669,301 km (0.085 R)
• M4: 1,215,782 km (0.117 R)
• M5: 1,507,947 km (0.05 R)
• M6: 1,932,954 km (0.069 R)
• M7: 3,064,512 km (0.102 R)
• M8: 3,438,657 km (0.116 R)
• M9: 3,796,644 km (0.102 R)
• M10: 5,514,776 km (0.06 R)
• M11: 6,263,513 km (0.032 R)
• M12: 6,764,965 km (0.085 R)
• M13: 7,401,803 km (0.085 R)
• M14: 8,753,869 km (0.039 R)
• M15: 10,538,871 km (0.087 R)
• M16: 11,939,406 km (0.042 R)
• M17: 13,624,626 km (0.049 R)
• M18: 16,503,487 km (0.083 R)
• M19: 19,413,615 km (0.103 R)
• M20: 20,407,094 km (0.108 R)
• M21: 26,313,218 km (0.078 R)
• M22: 29,422,610 km (0.069 R)
• M23: 30,922,329 km (0.073 R)
• M24: 31,594,322 km (0.091 R)
• M25: 32,080,067 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 13.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.19 AU - 5.39 AU

Year: 6666 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,522,237 km

• M1: 162,912 km (0.073 R)
• M2: 675,135 km (0.086 R)
• M3: 1,201,570 km (0.059 R)
• M4: 1,737,280 km (0.102 R)
• M5: 2,296,327 km (0.05 R)
• M6: 3,081,267 km (0.095 R)
• M7: 3,951,777 km (0.036 R)
• M8: 4,398,776 km (0.116 R)
• M9: 5,237,122 km (0.108 R)
• M10: 6,208,760 km (0.075 R)
• M11: 6,942,089 km (0.073 R)
• M12: 8,256,306 km (0.088 R)
• M13: 9,105,574 km (0.091 R)
• M14: 9,690,352 km (0.054 R)
• M15: 10,383,139 km (0.09 R)
• M16: 11,152,671 km (0.11 R)
• M17: 13,243,002 km (0.101 R)
• M18: 13,740,864 km (0.103 R)
• M19: 14,563,652 km (0.118 R)
• M20: 15,637,914 km (0.064 R)
• M21: 17,347,369 km (0.1 R)
• M22: 18,064,990 km (0.097 R)
• M23: 19,495,595 km (0.079 R)
• M24: 21,269,975 km (0.09 R)
• M25: 24,836,538 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 12.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.48 AU - 5.44 AU

Year: 7024 Days

Day: 8.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,522,237 km

• M1: 151,991 km (0.052 R)
• M2: 848,070 km (0.059 R)
• M3: 1,330,673 km (0.099 R)
• M4: 2,011,493 km (0.079 R)
• M5: 3,031,451 km (0.104 R)
• M6: 3,877,577 km (0.071 R)
• M7: 4,657,431 km (0.076 R)
• M8: 5,389,862 km (0.053 R)
• M9: 6,461,880 km (0.048 R)
• M10: 7,300,526 km (0.107 R)
• M11: 7,784,475 km (0.106 R)
• M12: 8,570,761 km (0.096 R)
• M13: 9,237,220 km (0.058 R)
• M14: 10,393,910 km (0.068 R)
• M15: 15,208,419 km (0.096 R)
• M16: 15,876,224 km (0.057 R)
• M17: 16,818,241 km (0.068 R)
• M18: 17,598,245 km (0.069 R)
• M19: 25,826,726 km (0.052 R)
• M20: 26,342,390 km (0.052 R)
• M21: 27,661,993 km (0.114 R)
• M22: 30,815,516 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 10.2

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.44 AU - 6.7 AU

Year: 8358 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,522,237 km

• M1: 126,859 km (0.057 R)
• M2: 526,734 km (0.111 R)
• M3: 845,228 km (0.11 R)
• M4: 1,171,950 km (0.108 R)
• M5: 2,324,452 km (0.05 R)
• M6: 2,793,890 km (0.096 R)
• M7: 3,163,995 km (0.053 R)
• M8: 5,702,222 km (0.09 R)
• M9: 7,020,778 km (0.108 R)
• M10: 10,976,445 km (0.055 R)
• M11: 14,356,608 km (0.062 R)
• M12: 14,871,674 km (0.114 R)
• M13: 15,266,014 km (0.075 R)
• M14: 17,343,480 km (0.071 R)
• M15: 18,752,841 km (0.086 R)
• M16: 19,839,071 km (0.09 R)
• M17: 21,713,981 km (0.042 R)
• M18: 22,136,745 km (0.113 R)
• M19: 27,844,951 km (0.097 R)
• M20: 31,572,930 km (0.054 R)
• M21: 32,225,027 km (0.086 R)
• M22: 34,808,133 km (0.092 R)
• M23: 35,387,376 km (0.12 R)
• M24: 37,769,124 km (0.054 R)
• M25: 38,135,340 km (0.098 R)
• M26: 42,453,482 km (0.105 R)
• M27: 45,552,552 km (0.055 R)
• M28: 46,524,938 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 7.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.2 AU - 9.68 AU

Year: 14225 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 133.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,522,237 km

• M1: 90,806 km (0.115 R)
• M2: 577,149 km (0.097 R)
• M3: 1,739,075 km (0.089 R)
• M4: 3,809,959 km (0.061 R)
• M5: 6,190,061 km (0.091 R)
• M6: 11,060,818 km (0.11 R)
• M7: 14,429,612 km (0.029 R)
• M8: 16,801,038 km (0.075 R)
• M9: 24,851,049 km (0.052 R)
• M10: 25,452,881 km (0.1 R)
• M11: 26,152,550 km (0.049 R)
• M12: 29,269,422 km (0.068 R)
• M13: 33,763,940 km (0.051 R)
• M14: 36,559,775 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.6

Radius: 4.9

Gravity: 22.56 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.48 AU - 9.38 AU

Year: 15562 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,522,237 km

• M1: 61,934 km (0.111 R)
• M2: 323,281 km (0.05 R)
• M3: 529,576 km (0.102 R)
• M4: 1,155,045 km (0.088 R)
• M5: 1,541,307 km (0.086 R)
• M6: 1,698,684 km (0.111 R)
• M7: 2,217,340 km (0.111 R)
• M8: 3,534,100 km (0.039 R)
• M9: 3,923,803 km (0.026 R)
• M10: 4,129,200 km (0.067 R)
• M11: 4,593,403 km (0.096 R)
• M12: 6,393,364 km (0.06 R)
• M13: 9,014,020 km (0.096 R)
• M14: 11,189,023 km (0.114 R)
• M15: 11,602,661 km (0.058 R)
• M16: 11,782,927 km (0.042 R)
• M17: 12,523,137 km (0.112 R)
• M18: 13,425,212 km (0.083 R)
• M19: 16,315,293 km (0.077 R)
• M20: 17,705,506 km (0.063 R)
• M21: 19,936,160 km (0.073 R)
• M22: 20,281,881 km (0.096 R)
• M23: 21,252,921 km (0.061 R)
• M24: 29,266,430 km (0.086 R)
• M25: 29,825,327 km (0.117 R)
• M26: 32,131,528 km (0.081 R)
• M27: 35,052,726 km (0.114 R)
• M28: 36,706,680 km (0.084 R)
• M29: 40,444,233 km (0.091 R)
• M30: 48,664,636 km (0.054 R)
• M31: 50,400,271 km (0.072 R)
• M32: 57,233,303 km (0.11 R)
• M33: 58,458,360 km (0.072 R)
• M34: 58,811,561 km (0.093 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: 486 - 12,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit