🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 13.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,546,620 km

• M1: 165,455 km (0.103 R)
• M2: 610,060 km (0.064 R)
• M3: 1,188,555 km (0.091 R)
• M4: 1,607,728 km (0.089 R)
• M5: 2,105,889 km (0.095 R)
• M6: 2,550,943 km (0.11 R)
• M7: 3,400,509 km (0.095 R)
• M8: 3,938,014 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 10.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.95 AU - 1.21 AU

Year: 748 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,546,620 km

• M1: 130,599 km (0.094 R)
• M2: 464,950 km (0.063 R)
• M3: 1,446,911 km (0.106 R)
• M4: 3,383,006 km (0.112 R)
• M5: 3,830,603 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 11.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.07 AU - 1.37 AU

Year: 899 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,546,620 km

• M1: 145,559 km (0.07 R)
• M2: 663,167 km (0.115 R)
• M3: 2,027,350 km (0.109 R)
• M4: 2,495,891 km (0.095 R)
• M5: 3,023,223 km (0.092 R)
• M6: 3,535,596 km (0.097 R)
• M7: 4,025,080 km (0.072 R)
• M8: 5,255,224 km (0.075 R)
• M9: 5,649,115 km (0.088 R)
• M10: 6,608,336 km (0.104 R)
• M11: 7,044,713 km (0.114 R)
• M12: 8,259,598 km (0.067 R)
• M13: 8,986,194 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 9.8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.53 AU - 2.53 AU

Year: 2684 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,546,620 km

• M1: 121,922 km (0.063 R)
• M2: 569,070 km (0.057 R)
• M3: 982,409 km (0.102 R)
• M4: 1,439,880 km (0.059 R)
• M5: 1,782,159 km (0.03 R)
• M6: 2,113,369 km (0.09 R)
• M7: 2,574,579 km (0.042 R)
• M8: 3,275,445 km (0.083 R)
• M9: 4,394,737 km (0.059 R)
• M10: 6,858,015 km (0.095 R)
• M11: 8,775,411 km (0.119 R)
• M12: 10,084,093 km (0.115 R)
• M13: 11,982,789 km (0.066 R)
• M14: 14,591,477 km (0.112 R)
• M15: 15,285,761 km (0.087 R)
• M16: 19,386,687 km (0.09 R)
• M17: 20,531,560 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 8.5

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.72 AU - 2.78 AU

Year: 3041 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,546,620 km

• M1: 105,766 km (0.037 R)
• M2: 564,134 km (0.037 R)
• M3: 853,905 km (0.079 R)
• M4: 1,365,679 km (0.097 R)
• M5: 1,754,035 km (0.063 R)
• M6: 2,161,240 km (0.081 R)
• M7: 2,738,688 km (0.094 R)
• M8: 3,115,076 km (0.073 R)
• M9: 3,488,622 km (0.048 R)
• M10: 4,769,180 km (0.047 R)
• M11: 5,414,994 km (0.032 R)
• M12: 5,798,413 km (0.061 R)
• M13: 6,477,588 km (0.096 R)
• M14: 6,792,791 km (0.099 R)
• M15: 7,768,468 km (0.12 R)
• M16: 8,390,346 km (0.118 R)
• M17: 9,151,500 km (0.101 R)
• M18: 9,548,832 km (0.079 R)
• M19: 9,995,531 km (0.112 R)
• M20: 10,455,994 km (0.032 R)
• M21: 11,214,006 km (0.026 R)
• M22: 14,861,352 km (0.108 R)
• M23: 15,309,846 km (0.064 R)
• M24: 17,634,447 km (0.037 R)
• M25: 19,113,372 km (0.057 R)
• M26: 19,466,124 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 12.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.66 AU - 4.78 AU

Year: 6838 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,546,620 km

• M1: 158,574 km (0.099 R)
• M2: 566,976 km (0.118 R)
• M3: 1,295,518 km (0.102 R)
• M4: 1,912,310 km (0.086 R)
• M5: 2,416,155 km (0.115 R)
• M6: 3,008,114 km (0.05 R)
• M7: 3,404,100 km (0.083 R)
• M8: 6,466,518 km (0.118 R)
• M9: 7,024,218 km (0.105 R)
• M10: 7,575,935 km (0.036 R)
• M11: 8,724,697 km (0.081 R)
• M12: 9,276,115 km (0.053 R)
• M13: 10,637,456 km (0.09 R)
• M14: 11,819,429 km (0.09 R)
• M15: 12,548,120 km (0.103 R)
• M16: 13,196,477 km (0.094 R)
• M17: 14,501,569 km (0.082 R)
• M18: 17,038,749 km (0.073 R)
• M19: 20,739,800 km (0.062 R)
• M20: 21,800,299 km (0.106 R)
• M21: 23,056,323 km (0.103 R)
• M22: 24,609,747 km (0.025 R)
• M23: 27,562,211 km (0.111 R)
• M24: 28,289,705 km (0.099 R)
• M25: 29,593,750 km (0.103 R)
• M26: 35,961,683 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 7.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.73 AU - 6.65 AU

Year: 10270 Days

Day: 23.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,546,620 km

• M1: 88,263 km (0.098 R)
• M2: 362,326 km (0.084 R)
• M3: 603,927 km (0.074 R)
• M4: 828,623 km (0.099 R)
• M5: 1,280,707 km (0.093 R)
• M6: 1,582,446 km (0.04 R)
• M7: 1,828,834 km (0.096 R)
• M8: 2,633,072 km (0.032 R)
• M9: 2,881,554 km (0.1 R)
• M10: 3,382,109 km (0.105 R)
• M11: 3,842,122 km (0.115 R)
• M12: 4,137,728 km (0.096 R)
• M13: 5,263,900 km (0.119 R)
• M14: 5,691,601 km (0.106 R)
• M15: 8,186,145 km (0.092 R)
• M16: 10,266,752 km (0.092 R)
• M17: 11,130,530 km (0.095 R)
• M18: 11,835,136 km (0.091 R)
• M19: 14,301,856 km (0.098 R)
• M20: 16,187,986 km (0.093 R)
• M21: 24,464,937 km (0.081 R)
• M22: 29,074,496 km (0.11 R)
• M23: 31,681,687 km (0.113 R)
• M24: 33,503,939 km (0.053 R)
• M25: 36,040,820 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.2

Radius: 5.1

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.9 AU - 8.1 AU

Year: 12350 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,546,620 km

• M1: 63,429 km (0.058 R)
• M2: 279,150 km (0.042 R)
• M3: 463,155 km (0.109 R)
• M4: 996,771 km (0.106 R)
• M5: 1,772,735 km (0.092 R)
• M6: 1,953,449 km (0.097 R)
• M7: 2,449,815 km (0.11 R)
• M8: 2,632,773 km (0.111 R)
• M9: 3,189,576 km (0.093 R)
• M10: 3,358,622 km (0.119 R)
• M11: 5,097,847 km (0.111 R)
• M12: 5,397,192 km (0.108 R)
• M13: 5,708,206 km (0.113 R)
• M14: 6,104,491 km (0.082 R)
• M15: 6,991,905 km (0.093 R)
• M16: 8,365,214 km (0.082 R)
• M17: 10,375,510 km (0.066 R)
• M18: 11,129,782 km (0.105 R)
• M19: 12,566,520 km (0.085 R)
• M20: 12,989,882 km (0.047 R)
• M21: 14,252,189 km (0.072 R)
• M22: 16,871,947 km (0.099 R)
• M23: 17,091,557 km (0.057 R)
• M24: 18,294,922 km (0.071 R)
• M25: 20,451,824 km (0.107 R)
• M26: 21,462,657 km (0.069 R)
• M27: 25,358,335 km (0.101 R)
• M28: 28,031,051 km (0.042 R)
• M29: 28,649,339 km (0.097 R)
• M30: 31,656,106 km (0.112 R)
• M31: 31,878,558 km (0.095 R)
• M32: 33,696,172 km (0.085 R)
• M33: 34,512,678 km (0.101 R)
• M34: 35,222,968 km (0.062 R)
• M35: 36,306,506 km (0.038 R)
• M36: 46,932,891 km (0.063 R)
• M37: 48,834,729 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985

Radius: 6.7

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.38 AU - 8.48 AU

Year: 13506 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,546,620 km

• M1: 83,326 km (0.112 R)
• M2: 297,401 km (0.088 R)
• M3: 2,287,501 km (0.061 R)
• M4: 3,880,270 km (0.118 R)
• M5: 4,372,297 km (0.091 R)
• M6: 7,248,615 km (0.117 R)
• M7: 8,789,473 km (0.049 R)
• M8: 9,153,744 km (0.108 R)
• M9: 9,419,879 km (0.105 R)
• M10: 10,421,436 km (0.061 R)
• M11: 10,711,806 km (0.115 R)
• M12: 14,995,092 km (0.081 R)
• M13: 15,515,244 km (0.109 R)
• M14: 21,118,133 km (0.11 R)
• M15: 21,583,532 km (0.111 R)
• M16: 22,728,255 km (0.079 R)
• M17: 24,013,450 km (0.11 R)
• M18: 28,836,336 km (0.047 R)
• M19: 29,872,750 km (0.046 R)
• M20: 35,954,651 km (0.113 R)
• M21: 39,213,641 km (0.079 R)
• M22: 41,202,994 km (0.055 R)
• M23: 43,408,066 km (0.049 R)
• M24: 48,211,953 km (0.1 R)
• M25: 48,694,855 km (0.087 R)
• M26: 50,824,680 km (0.076 R)
• M27: 51,996,929 km (0.089 R)
• M28: 55,269,382 km (0.108 R)
• M29: 56,687,271 km (0.106 R)
• M30: 59,411,149 km (0.101 R)
• M31: 60,151,957 km (0.104 R)
• M32: 66,103,410 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 6.2

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.25 AU - 8.93 AU

Year: 16789 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,546,620 km

• M1: 78,688 km (0.059 R)
• M2: 281,693 km (0.112 R)
• M3: 607,068 km (0.102 R)
• M4: 827,725 km (0.1 R)
• M5: 1,089,970 km (0.091 R)
• M6: 1,333,216 km (0.109 R)
• M7: 1,662,930 km (0.102 R)
• M8: 2,936,008 km (0.06 R)
• M9: 3,667,990 km (0.072 R)
• M10: 4,155,679 km (0.078 R)
• M11: 4,966,949 km (0.119 R)
• M12: 5,680,530 km (0.101 R)
• M13: 7,449,974 km (0.063 R)
• M14: 8,904,065 km (0.079 R)
• M15: 11,646,493 km (0.089 R)
• M16: 12,561,135 km (0.059 R)
• M17: 13,104,923 km (0.099 R)
• M18: 15,437,453 km (0.052 R)
• M19: 16,782,787 km (0.036 R)
• M20: 18,724,717 km (0.069 R)
• M21: 21,000,100 km (0.103 R)
• M22: 24,277,341 km (0.056 R)
• M23: 24,696,364 km (0.115 R)
• M24: 28,224,181 km (0.111 R)
• M25: 28,571,099 km (0.072 R)
• M26: 29,038,293 km (0.097 R)
• M27: 30,470,094 km (0.036 R)
• M28: 35,717,389 km (0.059 R)
• M29: 38,199,816 km (0.085 R)
• M30: 41,985,091 km (0.093 R)
• M31: 48,947,825 km (0.063 R)
• M32: 49,616,527 km (0.069 R)
• M33: 51,486,800 km (0.118 R)
• M34: 53,051,594 km (0.092 R)
• M35: 61,935,613 km (0.078 R)
• M36: 64,501,815 km (0.025 R)
• M37: 67,756,316 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit