🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 9.3

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.78 AU - 1.14 AU

Year: 638 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,036,069 km

• M1: 123,568 km (0.102 R)
• M2: 420,669 km (0.035 R)
• M3: 737,667 km (0.026 R)
• M4: 1,108,520 km (0.074 R)
• M5: 1,556,267 km (0.096 R)
• M6: 1,907,373 km (0.103 R)
• M7: 2,250,102 km (0.045 R)
• M8: 3,011,854 km (0.094 R)
• M9: 4,448,143 km (0.087 R)
• M10: 4,847,869 km (0.119 R)
• M11: 5,796,618 km (0.083 R)
• M12: 6,439,141 km (0.11 R)
• M13: 6,886,140 km (0.05 R)
• M14: 8,130,943 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.7

Radius: 10.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.87 AU - 1.29 AU

Year: 761 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,036,069 km

• M1: 128,056 km (0.062 R)
• M2: 747,690 km (0.093 R)
• M3: 1,140,085 km (0.058 R)
• M4: 1,746,854 km (0.11 R)
• M5: 2,351,529 km (0.084 R)
• M6: 2,776,088 km (0.105 R)
• M7: 3,143,650 km (0.103 R)
• M8: 3,532,155 km (0.111 R)
• M9: 4,040,638 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 10.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.93 AU - 1.37 AU

Year: 836 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,036,069 km

• M1: 135,536 km (0.055 R)
• M2: 488,886 km (0.081 R)
• M3: 1,132,007 km (0.075 R)
• M4: 1,595,611 km (0.08 R)
• M5: 2,020,020 km (0.114 R)
• M6: 3,087,550 km (0.09 R)
• M7: 3,429,830 km (0.087 R)
• M8: 4,302,734 km (0.086 R)
• M9: 4,956,925 km (0.032 R)
• M10: 5,373,107 km (0.109 R)
• M11: 5,950,854 km (0.071 R)
• M12: 6,296,425 km (0.045 R)
• M13: 6,895,115 km (0.098 R)
• M14: 8,280,691 km (0.1 R)
• M15: 8,686,700 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 10.2

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.34 AU - 1.46 AU

Year: 1124 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,036,069 km

• M1: 126,859 km (0.063 R)
• M2: 742,903 km (0.117 R)
• M3: 1,389,315 km (0.072 R)
• M4: 1,942,828 km (0.104 R)
• M5: 2,775,340 km (0.068 R)
• M6: 3,417,863 km (0.071 R)
• M7: 4,258,154 km (0.095 R)
• M8: 5,429,655 km (0.082 R)
• M9: 6,189,163 km (0.059 R)
• M10: 7,534,497 km (0.095 R)
• M11: 7,918,963 km (0.059 R)
• M12: 10,257,178 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 11.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.08 AU - 2.54 AU

Year: 2381 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,036,069 km

• M1: 138,079 km (0.056 R)
• M2: 963,859 km (0.048 R)
• M3: 1,641,089 km (0.055 R)
• M4: 2,293,036 km (0.091 R)
• M5: 2,717,146 km (0.118 R)
• M6: 4,213,274 km (0.119 R)
• M7: 6,549,395 km (0.08 R)
• M8: 7,144,794 km (0.092 R)
• M9: 9,184,412 km (0.092 R)
• M10: 12,757,407 km (0.109 R)
• M11: 16,488,677 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.5

Radius: 13.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.35 AU - 2.73 AU

Year: 2746 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,036,069 km

• M1: 172,187 km (0.078 R)
• M2: 753,225 km (0.12 R)
• M3: 1,327,831 km (0.052 R)
• M4: 1,940,284 km (0.067 R)
• M5: 2,512,496 km (0.11 R)
• M6: 3,982,295 km (0.115 R)
• M7: 4,778,006 km (0.096 R)
• M8: 6,073,075 km (0.046 R)
• M9: 6,572,283 km (0.087 R)
• M10: 7,189,374 km (0.094 R)
• M11: 7,653,726 km (0.058 R)
• M12: 9,240,062 km (0.069 R)
• M13: 9,752,584 km (0.088 R)
• M14: 10,206,913 km (0.092 R)
• M15: 10,794,833 km (0.077 R)
• M16: 13,890,162 km (0.071 R)
• M17: 14,563,802 km (0.108 R)
• M18: 16,291,208 km (0.086 R)
• M19: 17,149,750 km (0.116 R)
• M20: 18,265,302 km (0.075 R)
• M21: 18,957,341 km (0.116 R)
• M22: 19,607,195 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 10.1

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.12 AU - 5.28 AU

Year: 8043 Days

Day: 7.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,036,069 km

• M1: 125,662 km (0.107 R)
• M2: 731,833 km (0.063 R)
• M3: 1,490,444 km (0.047 R)
• M4: 2,491,702 km (0.055 R)
• M5: 3,048,356 km (0.032 R)
• M6: 4,583,828 km (0.097 R)
• M7: 4,913,692 km (0.078 R)
• M8: 5,587,480 km (0.107 R)
• M9: 6,580,511 km (0.054 R)
• M10: 7,158,857 km (0.076 R)
• M11: 9,098,842 km (0.064 R)
• M12: 9,965,013 km (0.111 R)
• M13: 11,312,142 km (0.029 R)
• M14: 11,973,215 km (0.104 R)
• M15: 14,683,929 km (0.11 R)
• M16: 15,671,723 km (0.113 R)
• M17: 16,147,445 km (0.101 R)
• M18: 17,415,586 km (0.081 R)
• M19: 17,852,561 km (0.027 R)
• M20: 20,069,302 km (0.116 R)
• M21: 21,038,098 km (0.107 R)
• M22: 23,596,072 km (0.103 R)
• M23: 26,931,057 km (0.074 R)
• M24: 28,710,973 km (0.101 R)
• M25: 29,836,547 km (0.057 R)
• M26: 33,055,445 km (0.097 R)
• M27: 34,519,709 km (0.058 R)
• M28: 35,909,174 km (0.078 R)
• M29: 38,429,898 km (0.088 R)
• M30: 39,796,325 km (0.057 R)
• M31: 44,224,422 km (0.109 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.5

Radius: 3.5

Gravity: 44.69 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.44 AU - 6.94 AU

Year: 11736 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,036,069 km

• M1: 43,533 km (0.05 R)
• M2: 162,463 km (0.089 R)
• M3: 912,697 km (0.105 R)
• M4: 1,530,985 km (0.118 R)
• M5: 5,112,358 km (0.11 R)
• M6: 6,114,215 km (0.06 R)
• M7: 7,573,542 km (0.077 R)
• M8: 12,408,395 km (0.107 R)
• M9: 13,067,524 km (0.108 R)
• M10: 13,498,814 km (0.113 R)
• M11: 15,523,771 km (0.106 R)
• M12: 18,270,986 km (0.117 R)
• M13: 18,732,496 km (0.112 R)
• M14: 22,269,289 km (0.098 R)
• M15: 22,795,574 km (0.054 R)
• M16: 23,510,353 km (0.065 R)
• M17: 23,873,127 km (0.086 R)
• M18: 24,424,545 km (0.118 R)
• M19: 29,773,716 km (0.119 R)
• M20: 34,904,474 km (0.087 R)
• M21: 35,972,753 km (0.058 R)
• M22: 38,675,687 km (0.051 R)
• M23: 39,435,644 km (0.087 R)
• M24: 43,385,178 km (0.106 R)
• M25: 47,158,036 km (0.115 R)
• M26: 47,590,224 km (0.083 R)
• M27: 48,025,105 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.3

Radius: 7

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.19 AU - 9.15 AU

Year: 15839 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,036,069 km

• M1: 97,388 km (0.066 R)
• M2: 339,587 km (0.078 R)
• M3: 793,766 km (0.062 R)
• M4: 1,180,776 km (0.073 R)
• M5: 1,826,740 km (0.072 R)
• M6: 2,049,341 km (0.041 R)
• M7: 2,332,081 km (0.101 R)
• M8: 6,516,184 km (0.104 R)
• M9: 13,791,577 km (0.103 R)
• M10: 16,174,372 km (0.102 R)
• M11: 16,810,462 km (0.102 R)
• M12: 17,463,008 km (0.07 R)
• M13: 18,132,309 km (0.094 R)
• M14: 19,521,924 km (0.097 R)
• M15: 20,517,647 km (0.109 R)
• M16: 29,031,412 km (0.066 R)
• M17: 29,498,307 km (0.057 R)
• M18: 36,165,435 km (0.083 R)
• M19: 37,251,815 km (0.074 R)
• M20: 39,489,500 km (0.029 R)
• M21: 42,710,491 km (0.089 R)
• M22: 50,505,139 km (0.103 R)
• M23: 58,637,877 km (0.044 R)
• M24: 61,659,156 km (0.049 R)
• M25: 68,215,432 km (0.037 R)
• M26: 69,040,465 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.6

Radius: 7.8

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.26 AU - 9.22 AU

Year: 16043 Days

Day: 18.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,036,069 km

• M1: 97,837 km (0.111 R)
• M2: 394,789 km (0.064 R)
• M3: 680,670 km (0.101 R)
• M4: 1,025,793 km (0.111 R)
• M5: 1,314,068 km (0.071 R)
• M6: 1,806,095 km (0.054 R)
• M7: 2,745,420 km (0.088 R)
• M8: 3,130,186 km (0.066 R)
• M9: 3,831,800 km (0.115 R)
• M10: 4,097,785 km (0.065 R)
• M11: 5,005,395 km (0.075 R)
• M12: 6,820,466 km (0.113 R)
• M13: 7,301,573 km (0.095 R)
• M14: 7,619,319 km (0.072 R)
• M15: 8,678,771 km (0.081 R)
• M16: 20,290,258 km (0.069 R)
• M17: 26,535,371 km (0.107 R)
• M18: 28,610,294 km (0.111 R)
• M19: 29,859,585 km (0.072 R)
• M20: 36,524,619 km (0.096 R)
• M21: 50,211,029 km (0.094 R)
• M22: 53,203,735 km (0.031 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 18,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit