🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 12.5

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.64 AU - 0.68 AU

Year: 358 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,654,795 km

• M1: 155,432 km (0.117 R)
• M2: 579,093 km (0.116 R)
• M3: 1,104,182 km (0.112 R)
• M4: 2,173,059 km (0.055 R)
• M5: 2,685,132 km (0.116 R)
• M6: 3,485,630 km (0.112 R)
• M7: 4,152,388 km (0.118 R)
• M8: 5,462,566 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 11.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.67 AU - 0.87 AU

Year: 451 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,654,795 km

• M1: 145,559 km (0.119 R)
• M2: 579,841 km (0.118 R)
• M3: 1,003,503 km (0.099 R)
• M4: 1,445,265 km (0.112 R)
• M5: 2,176,350 km (0.089 R)
• M6: 3,474,859 km (0.08 R)
• M7: 4,397,130 km (0.103 R)
• M8: 4,803,288 km (0.066 R)
• M9: 5,282,002 km (0.103 R)
• M10: 5,741,716 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 8.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.86 AU - 1.06 AU

Year: 627 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,654,795 km

• M1: 110,702 km (0.118 R)
• M2: 417,528 km (0.116 R)
• M3: 721,959 km (0.111 R)
• M4: 1,151,754 km (0.047 R)
• M5: 1,461,122 km (0.099 R)
• M6: 1,739,225 km (0.115 R)
• M7: 2,616,317 km (0.074 R)
• M8: 3,008,413 km (0.03 R)
• M9: 3,605,009 km (0.062 R)
• M10: 4,091,951 km (0.072 R)
• M11: 4,903,968 km (0.102 R)
• M12: 5,331,519 km (0.079 R)
• M13: 5,641,934 km (0.094 R)
• M14: 6,223,720 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.6

Radius: 9.5

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.85 AU - 1.29 AU

Year: 738 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,654,795 km

• M1: 118,631 km (0.104 R)
• M2: 425,307 km (0.083 R)
• M3: 829,520 km (0.107 R)
• M4: 1,164,320 km (0.089 R)
• M5: 1,714,840 km (0.046 R)
• M6: 2,169,020 km (0.077 R)
• M7: 2,655,512 km (0.111 R)
• M8: 3,044,616 km (0.099 R)
• M9: 3,773,157 km (0.052 R)
• M10: 4,218,810 km (0.102 R)
• M11: 4,750,780 km (0.073 R)
• M12: 5,142,128 km (0.109 R)
• M13: 6,091,476 km (0.093 R)
• M14: 8,034,004 km (0.088 R)
• M15: 8,720,808 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 10.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.39 AU

Year: 790 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,654,795 km

• M1: 128,654 km (0.114 R)
• M2: 459,415 km (0.117 R)
• M3: 832,961 km (0.083 R)
• M4: 1,172,249 km (0.109 R)
• M5: 1,527,693 km (0.081 R)
• M6: 2,145,233 km (0.045 R)
• M7: 2,778,780 km (0.079 R)
• M8: 3,197,954 km (0.077 R)
• M9: 3,832,249 km (0.103 R)
• M10: 5,115,200 km (0.086 R)
• M11: 5,943,823 km (0.109 R)
• M12: 6,881,352 km (0.081 R)
• M13: 7,351,239 km (0.1 R)
• M14: 8,355,639 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 8.2

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.62 AU - 4.1 AU

Year: 5057 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,654,795 km

• M1: 102,026 km (0.082 R)
• M2: 372,050 km (0.095 R)
• M3: 838,047 km (0.062 R)
• M4: 1,879,996 km (0.109 R)
• M5: 2,515,488 km (0.107 R)
• M6: 3,040,427 km (0.113 R)
• M7: 3,372,086 km (0.083 R)
• M8: 3,704,791 km (0.041 R)
• M9: 4,864,025 km (0.115 R)
• M10: 5,231,737 km (0.025 R)
• M11: 5,678,885 km (0.084 R)
• M12: 7,502,483 km (0.077 R)
• M13: 8,669,047 km (0.03 R)
• M14: 9,083,583 km (0.118 R)
• M15: 11,018,182 km (0.082 R)
• M16: 15,501,182 km (0.079 R)
• M17: 16,236,306 km (0.102 R)
• M18: 16,930,290 km (0.095 R)
• M19: 18,649,469 km (0.057 R)
• M20: 19,621,706 km (0.047 R)
• M21: 19,905,642 km (0.1 R)
• M22: 20,336,634 km (0.077 R)
• M23: 20,994,864 km (0.113 R)
• M24: 28,107,645 km (0.112 R)
• M25: 29,570,114 km (0.091 R)
• M26: 29,943,510 km (0.076 R)
• M27: 31,468,660 km (0.074 R)
• M28: 33,346,263 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.9

Radius: 11.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4 AU - 5.34 AU

Year: 6730 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,654,795 km

• M1: 145,708 km (0.053 R)
• M2: 691,741 km (0.045 R)
• M3: 1,072,467 km (0.112 R)
• M4: 1,728,454 km (0.105 R)
• M5: 2,164,681 km (0.08 R)
• M6: 3,544,871 km (0.113 R)
• M7: 6,561,213 km (0.072 R)
• M8: 8,256,007 km (0.065 R)
• M9: 8,783,938 km (0.066 R)
• M10: 9,205,206 km (0.032 R)
• M11: 10,225,762 km (0.093 R)
• M12: 11,124,397 km (0.064 R)
• M13: 12,543,781 km (0.088 R)
• M14: 13,297,156 km (0.088 R)
• M15: 14,309,934 km (0.107 R)
• M16: 14,717,289 km (0.092 R)
• M17: 16,361,968 km (0.066 R)
• M18: 16,807,770 km (0.039 R)
• M19: 18,741,322 km (0.108 R)
• M20: 19,512,200 km (0.091 R)
• M21: 20,085,908 km (0.102 R)
• M22: 20,967,638 km (0.038 R)
• M23: 24,754,558 km (0.099 R)
• M24: 26,025,841 km (0.08 R)
• M25: 33,142,810 km (0.113 R)
• M26: 34,790,630 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.7

Radius: 7.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.44 AU - 7.28 AU

Year: 9460 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,654,795 km

• M1: 95,892 km (0.076 R)
• M2: 633,996 km (0.102 R)
• M3: 1,098,497 km (0.086 R)
• M4: 1,545,346 km (0.115 R)
• M5: 1,788,891 km (0.065 R)
• M6: 2,300,366 km (0.099 R)
• M7: 2,842,958 km (0.073 R)
• M8: 3,737,104 km (0.113 R)
• M9: 4,020,443 km (0.113 R)
• M10: 4,458,166 km (0.09 R)
• M11: 5,332,267 km (0.111 R)
• M12: 7,658,513 km (0.109 R)
• M13: 9,227,645 km (0.083 R)
• M14: 9,843,689 km (0.052 R)
• M15: 10,844,350 km (0.107 R)
• M16: 13,282,346 km (0.025 R)
• M17: 14,946,772 km (0.064 R)
• M18: 16,063,371 km (0.112 R)
• M19: 17,234,722 km (0.034 R)
• M20: 17,949,650 km (0.081 R)
• M21: 19,438,897 km (0.118 R)
• M22: 20,057,035 km (0.075 R)
• M23: 23,868,191 km (0.053 R)
• M24: 25,482,352 km (0.114 R)
• M25: 26,692,449 km (0.067 R)
• M26: 26,977,134 km (0.059 R)
• M27: 31,282,560 km (0.117 R)
• M28: 32,561,173 km (0.055 R)
• M29: 33,652,939 km (0.084 R)
• M30: 36,488,865 km (0.057 R)
• M31: 36,956,957 km (0.079 R)
• M32: 37,429,088 km (0.12 R)

Asteroid Belt

Center: 7.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.8

Radius: 3.7

Gravity: 31.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.01 AU - 10.49 AU

Year: 18760 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,654,795 km

• M1: 46,076 km (0.107 R)
• M2: 161,865 km (0.107 R)
• M3: 320,738 km (0.111 R)
• M4: 590,463 km (0.106 R)
• M5: 1,140,534 km (0.056 R)
• M6: 4,091,801 km (0.101 R)
• M7: 4,306,773 km (0.082 R)
• M8: 5,136,892 km (0.091 R)
• M9: 6,267,253 km (0.119 R)
• M10: 6,890,328 km (0.104 R)
• M11: 7,417,661 km (0.058 R)
• M12: 8,162,060 km (0.098 R)
• M13: 9,906,969 km (0.076 R)
• M14: 11,700,947 km (0.088 R)
• M15: 14,043,051 km (0.106 R)
• M16: 14,321,154 km (0.096 R)
• M17: 19,029,148 km (0.059 R)
• M18: 19,714,307 km (0.081 R)
• M19: 21,224,348 km (0.116 R)
• M20: 22,524,353 km (0.08 R)
• M21: 25,384,365 km (0.118 R)
• M22: 27,491,900 km (0.072 R)
• M23: 28,477,301 km (0.085 R)
• M24: 29,259,698 km (0.072 R)
• M25: 29,599,435 km (0.066 R)
• M26: 30,286,687 km (0.066 R)
• M27: 31,931,516 km (0.118 R)
• M28: 34,888,168 km (0.118 R)
• M29: 47,130,660 km (0.075 R)
• M30: 49,977,208 km (0.086 R)
• M31: 50,138,624 km (0.118 R)
• M32: 54,800,692 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 6.6

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.7 AU - 10.8 AU

Year: 20302 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,654,795 km

• M1: 82,129 km (0.047 R)
• M2: 406,158 km (0.067 R)
• M3: 962,064 km (0.062 R)
• M4: 1,249,292 km (0.118 R)
• M5: 1,625,830 km (0.116 R)
• M6: 1,923,230 km (0.111 R)
• M7: 3,220,992 km (0.115 R)
• M8: 4,052,307 km (0.073 R)
• M9: 4,601,930 km (0.106 R)
• M10: 5,054,613 km (0.107 R)
• M11: 5,536,767 km (0.075 R)
• M12: 8,117,779 km (0.112 R)
• M13: 9,808,235 km (0.106 R)
• M14: 10,855,719 km (0.032 R)
• M15: 11,098,217 km (0.037 R)
• M16: 11,720,544 km (0.102 R)
• M17: 13,377,640 km (0.079 R)
• M18: 14,154,053 km (0.086 R)
• M19: 15,412,321 km (0.105 R)
• M20: 17,478,566 km (0.037 R)
• M21: 18,234,784 km (0.113 R)
• M22: 19,276,733 km (0.1 R)
• M23: 21,478,963 km (0.089 R)
• M24: 22,937,393 km (0.042 R)
• M25: 23,741,631 km (0.052 R)
• M26: 30,143,073 km (0.036 R)
• M27: 35,039,561 km (0.062 R)
• M28: 37,744,740 km (0.071 R)
• M29: 42,357,590 km (0.065 R)
• M30: 43,110,666 km (0.098 R)
• M31: 47,171,350 km (0.032 R)
• M32: 47,493,883 km (0.092 R)
• M33: 47,980,525 km (0.101 R)
• M34: 54,611,600 km (0.1 R)
• M35: 56,405,129 km (0.106 R)
• M36: 59,732,036 km (0.092 R)
• M37: 65,563,361 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 19,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit