🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 12.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 11.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,681,608 km

• M1: 158,424 km (0.111 R)
• M2: 625,469 km (0.058 R)
• M3: 1,081,144 km (0.077 R)
• M4: 1,894,807 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.7

Radius: 12.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.45 AU - 0.61 AU

Year: 271 Days

Day: 11.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,681,608 km

• M1: 155,731 km (0.102 R)
• M2: 735,423 km (0.088 R)
• M3: 1,207,704 km (0.09 R)
• M4: 1,719,777 km (0.086 R)
• M5: 2,150,021 km (0.1 R)
• M6: 3,085,306 km (0.077 R)
• M7: 3,966,588 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 8.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.7 AU - 0.92 AU

Year: 512 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,681,608 km

• M1: 108,159 km (0.074 R)
• M2: 379,829 km (0.085 R)
• M3: 684,560 km (0.072 R)
• M4: 1,841,849 km (0.097 R)
• M5: 2,221,828 km (0.066 R)
• M6: 2,549,896 km (0.114 R)
• M7: 3,161,901 km (0.111 R)
• M8: 4,564,680 km (0.039 R)
• M9: 5,083,336 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 13.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.17 AU - 1.61 AU

Year: 1152 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,681,608 km

• M1: 164,258 km (0.074 R)
• M2: 832,512 km (0.072 R)
• M3: 1,298,809 km (0.104 R)
• M4: 1,820,756 km (0.115 R)
• M5: 2,313,980 km (0.072 R)
• M6: 3,053,442 km (0.102 R)
• M7: 4,206,692 km (0.105 R)
• M8: 4,764,243 km (0.074 R)
• M9: 5,292,473 km (0.111 R)
• M10: 5,714,040 km (0.089 R)
• M11: 6,289,244 km (0.114 R)
• M12: 6,809,396 km (0.104 R)
• M13: 7,260,733 km (0.094 R)
• M14: 8,329,909 km (0.107 R)
• M15: 8,930,394 km (0.109 R)
• M16: 10,187,914 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.7

Radius: 13.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.98 AU - 3.46 AU

Year: 4062 Days

Day: 7.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,681,608 km

• M1: 167,998 km (0.103 R)
• M2: 682,017 km (0.111 R)
• M3: 1,188,256 km (0.075 R)
• M4: 1,644,529 km (0.102 R)
• M5: 2,419,147 km (0.11 R)
• M6: 3,038,034 km (0.038 R)
• M7: 3,611,741 km (0.102 R)
• M8: 4,376,187 km (0.11 R)
• M9: 5,355,753 km (0.091 R)
• M10: 6,699,292 km (0.116 R)
• M11: 7,432,920 km (0.106 R)
• M12: 8,145,903 km (0.074 R)
• M13: 9,260,258 km (0.09 R)
• M14: 10,257,477 km (0.078 R)
• M15: 10,961,036 km (0.089 R)
• M16: 11,417,160 km (0.104 R)
• M17: 11,838,278 km (0.036 R)
• M18: 13,215,775 km (0.115 R)
• M19: 13,943,419 km (0.077 R)
• M20: 16,111,840 km (0.091 R)
• M21: 18,115,255 km (0.05 R)
• M22: 21,672,842 km (0.11 R)
• M23: 23,956,603 km (0.114 R)
• M24: 26,478,075 km (0.083 R)
• M25: 28,739,247 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.68 AU - 5.98 AU

Year: 7462 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,681,608 km

• M1: 111,899 km (0.03 R)
• M2: 898,186 km (0.095 R)
• M3: 1,209,648 km (0.093 R)
• M4: 2,045,003 km (0.072 R)
• M5: 2,888,884 km (0.113 R)
• M6: 3,542,178 km (0.057 R)
• M7: 4,174,229 km (0.064 R)
• M8: 4,752,575 km (0.048 R)
• M9: 6,009,646 km (0.086 R)
• M10: 6,340,556 km (0.101 R)
• M11: 7,006,267 km (0.114 R)
• M12: 7,648,042 km (0.093 R)
• M13: 10,100,549 km (0.1 R)
• M14: 10,526,005 km (0.112 R)
• M15: 12,984,646 km (0.09 R)
• M16: 14,214,790 km (0.113 R)
• M17: 14,534,032 km (0.032 R)
• M18: 17,566,231 km (0.071 R)
• M19: 17,995,876 km (0.049 R)
• M20: 18,685,372 km (0.097 R)
• M21: 20,317,485 km (0.051 R)
• M22: 21,550,022 km (0.049 R)
• M23: 23,491,354 km (0.11 R)
• M24: 24,925,399 km (0.11 R)
• M25: 27,553,385 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.3

Radius: 6.7

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.86 AU - 11.56 AU

Year: 22932 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,681,608 km

• M1: 84,523 km (0.05 R)
• M2: 638,035 km (0.098 R)
• M3: 1,485,208 km (0.101 R)
• M4: 1,846,187 km (0.097 R)
• M5: 2,089,882 km (0.068 R)
• M6: 2,568,745 km (0.073 R)
• M7: 2,847,446 km (0.074 R)
• M8: 3,435,964 km (0.092 R)
• M9: 3,680,407 km (0.091 R)
• M10: 5,200,022 km (0.104 R)
• M11: 6,254,238 km (0.095 R)
• M12: 6,527,105 km (0.101 R)
• M13: 6,855,472 km (0.107 R)
• M14: 9,294,665 km (0.096 R)
• M15: 15,058,522 km (0.087 R)
• M16: 17,174,733 km (0.106 R)
• M17: 18,535,475 km (0.08 R)
• M18: 19,674,514 km (0.088 R)
• M19: 20,759,098 km (0.112 R)
• M20: 22,618,749 km (0.073 R)
• M21: 23,589,041 km (0.076 R)
• M22: 24,362,761 km (0.111 R)
• M23: 28,116,022 km (0.115 R)
• M24: 30,517,517 km (0.074 R)
• M25: 34,160,524 km (0.092 R)
• M26: 38,385,318 km (0.086 R)
• M27: 38,841,292 km (0.075 R)
• M28: 39,764,012 km (0.111 R)
• M29: 44,431,016 km (0.085 R)
• M30: 46,982,408 km (0.098 R)
• M31: 62,463,993 km (0.074 R)
• M32: 63,729,890 km (0.115 R)
• M33: 73,539,920 km (0.096 R)
• M34: 79,292,407 km (0.074 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit