🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 11.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.71 AU - 0.77 AU

Year: 439 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,598,198 km

• M1: 144,212 km (0.054 R)
• M2: 516,861 km (0.027 R)
• M3: 969,095 km (0.083 R)
• M4: 1,563,148 km (0.084 R)
• M5: 2,065,049 km (0.035 R)
• M6: 3,072,291 km (0.109 R)
• M7: 4,017,600 km (0.106 R)
• M8: 4,381,722 km (0.112 R)
• M9: 4,998,813 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 12.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.83 AU - 0.89 AU

Year: 551 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,598,198 km

• M1: 155,582 km (0.073 R)
• M2: 926,011 km (0.093 R)
• M3: 1,370,765 km (0.1 R)
• M4: 2,410,470 km (0.082 R)
• M5: 3,115,525 km (0.117 R)
• M6: 3,837,485 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 13.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.88 AU - 1.36 AU

Year: 818 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,598,198 km

• M1: 171,738 km (0.115 R)
• M2: 601,533 km (0.092 R)
• M3: 1,106,575 km (0.049 R)
• M4: 1,614,610 km (0.094 R)
• M5: 2,076,269 km (0.096 R)
• M6: 2,528,802 km (0.094 R)
• M7: 3,035,640 km (0.114 R)
• M8: 3,473,513 km (0.084 R)
• M9: 4,241,698 km (0.113 R)
• M10: 4,675,233 km (0.111 R)
• M11: 5,120,586 km (0.107 R)
• M12: 5,575,812 km (0.118 R)
• M13: 6,401,891 km (0.057 R)
• M14: 6,996,842 km (0.113 R)
• M15: 7,467,178 km (0.026 R)
• M16: 7,958,607 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 13.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.97 AU - 1.39 AU

Year: 885 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,598,198 km

• M1: 167,101 km (0.118 R)
• M2: 697,724 km (0.093 R)
• M3: 1,237,025 km (0.085 R)
• M4: 1,875,060 km (0.054 R)
• M5: 2,327,743 km (0.044 R)
• M6: 3,059,127 km (0.112 R)
• M7: 3,609,946 km (0.048 R)
• M8: 4,164,954 km (0.117 R)
• M9: 4,726,096 km (0.119 R)
• M10: 5,211,092 km (0.104 R)
• M11: 5,691,301 km (0.107 R)
• M12: 6,302,409 km (0.106 R)
• M13: 6,913,516 km (0.116 R)
• M14: 8,011,714 km (0.06 R)
• M15: 8,502,395 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 11.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.32 AU - 2.14 AU

Year: 1571 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,598,198 km

• M1: 138,079 km (0.118 R)
• M2: 547,977 km (0.102 R)
• M3: 999,314 km (0.111 R)
• M4: 1,465,760 km (0.116 R)
• M5: 2,011,044 km (0.069 R)
• M6: 2,931,969 km (0.112 R)
• M7: 4,061,133 km (0.094 R)
• M8: 4,609,559 km (0.098 R)
• M9: 5,567,734 km (0.103 R)
• M10: 6,387,679 km (0.092 R)
• M11: 7,131,031 km (0.107 R)
• M12: 7,739,147 km (0.071 R)
• M13: 9,028,979 km (0.105 R)
• M14: 9,395,943 km (0.1 R)
• M15: 12,067,013 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 9.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.91 AU - 2.13 AU

Year: 1982 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,598,198 km

• M1: 621,579 km (0.114 R)
• M2: 938,577 km (0.084 R)
• M3: 1,254,378 km (0.082 R)
• M4: 1,852,620 km (0.075 R)
• M5: 2,864,350 km (0.108 R)
• M6: 3,260,336 km (0.103 R)
• M7: 3,557,886 km (0.067 R)
• M8: 3,887,600 km (0.098 R)
• M9: 4,343,873 km (0.102 R)
• M10: 6,257,679 km (0.077 R)
• M11: 6,678,647 km (0.114 R)
• M12: 7,118,315 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 10.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.74 AU - 2.64 AU

Year: 2237 Days

Day: 9.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,598,198 km

• M1: 126,859 km (0.109 R)
• M2: 574,905 km (0.111 R)
• M3: 917,334 km (0.109 R)
• M4: 1,259,464 km (0.1 R)
• M5: 1,581,698 km (0.103 R)
• M6: 2,213,300 km (0.086 R)
• M7: 2,703,832 km (0.071 R)
• M8: 4,159,718 km (0.068 R)
• M9: 4,684,358 km (0.065 R)
• M10: 6,081,004 km (0.071 R)
• M11: 8,965,251 km (0.103 R)
• M12: 10,422,633 km (0.12 R)
• M13: 12,032,007 km (0.028 R)
• M14: 13,220,413 km (0.098 R)
• M15: 14,183,225 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 9.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.75 AU - 2.63 AU

Year: 2237 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,598,198 km

• M1: 113,246 km (0.068 R)
• M2: 673,789 km (0.073 R)
• M3: 1,028,485 km (0.088 R)
• M4: 1,414,149 km (0.036 R)
• M5: 1,699,133 km (0.036 R)
• M6: 2,374,567 km (0.064 R)
• M7: 2,664,936 km (0.025 R)
• M8: 3,488,772 km (0.101 R)
• M9: 4,660,871 km (0.113 R)
• M10: 5,465,558 km (0.107 R)
• M11: 6,026,401 km (0.082 R)
• M12: 6,897,509 km (0.087 R)
• M13: 8,757,759 km (0.045 R)
• M14: 9,220,166 km (0.107 R)
• M15: 9,594,908 km (0.094 R)
• M16: 11,119,909 km (0.097 R)
• M17: 11,583,812 km (0.082 R)
• M18: 12,674,979 km (0.086 R)
• M19: 13,053,461 km (0.083 R)
• M20: 16,112,887 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 6.4

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.65 AU - 12.03 AU

Year: 22950 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,598,198 km

• M1: 79,736 km (0.101 R)
• M2: 282,441 km (0.072 R)
• M3: 505,491 km (0.05 R)
• M4: 809,324 km (0.104 R)
• M5: 1,376,450 km (0.056 R)
• M6: 1,719,628 km (0.093 R)
• M7: 2,307,697 km (0.102 R)
• M8: 3,127,044 km (0.119 R)
• M9: 3,345,308 km (0.083 R)
• M10: 4,389,202 km (0.09 R)
• M11: 4,912,794 km (0.062 R)
• M12: 5,284,395 km (0.075 R)
• M13: 5,876,803 km (0.04 R)
• M14: 8,379,276 km (0.077 R)
• M15: 9,294,665 km (0.035 R)
• M16: 11,643,801 km (0.072 R)
• M17: 14,436,344 km (0.063 R)
• M18: 15,121,203 km (0.106 R)
• M19: 16,391,588 km (0.102 R)
• M20: 17,560,247 km (0.053 R)
• M21: 19,969,221 km (0.119 R)
• M22: 20,723,344 km (0.073 R)
• M23: 21,010,871 km (0.103 R)
• M24: 34,154,989 km (0.094 R)
• M25: 41,870,649 km (0.117 R)
• M26: 45,643,806 km (0.062 R)
• M27: 47,115,251 km (0.085 R)
• M28: 53,138,660 km (0.101 R)
• M29: 56,613,818 km (0.089 R)
• M30: 70,290,355 km (0.116 R)
• M31: 72,250,536 km (0.076 R)
• M32: 74,023,420 km (0.215 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 18,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit