🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 8.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,467,055 km

• M1: 103,971 km (0.096 R)
• M2: 406,906 km (0.101 R)
• M3: 704,456 km (0.06 R)
• M4: 1,183,918 km (0.102 R)
• M5: 1,667,717 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 11.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.8 AU - 1.16 AU

Year: 670 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,467,055 km

• M1: 139,276 km (0.055 R)
• M2: 490,531 km (0.039 R)
• M3: 852,259 km (0.071 R)
• M4: 1,231,041 km (0.114 R)
• M5: 1,614,610 km (0.052 R)
• M6: 2,855,973 km (0.117 R)
• M7: 3,448,680 km (0.085 R)
• M8: 4,863,726 km (0.07 R)
• M9: 5,258,216 km (0.071 R)
• M10: 5,786,146 km (0.093 R)
• M11: 6,269,348 km (0.106 R)
• M12: 6,716,645 km (0.094 R)
• M13: 7,630,239 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 13

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.97 AU - 1.57 AU

Year: 988 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,467,055 km

• M1: 161,865 km (0.09 R)
• M2: 579,542 km (0.042 R)
• M3: 1,162,675 km (0.115 R)
• M4: 1,810,882 km (0.084 R)
• M5: 2,302,760 km (0.108 R)
• M6: 2,774,442 km (0.089 R)
• M7: 3,870,396 km (0.101 R)
• M8: 4,294,356 km (0.064 R)
• M9: 4,801,942 km (0.04 R)
• M10: 5,444,764 km (0.066 R)
• M11: 6,020,267 km (0.082 R)
• M12: 6,680,143 km (0.096 R)
• M13: 7,200,445 km (0.12 R)
• M14: 8,069,309 km (0.065 R)
• M15: 8,581,532 km (0.028 R)
• M16: 9,502,158 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 13.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.19 AU - 1.41 AU

Year: 1023 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,467,055 km

• M1: 170,392 km (0.09 R)
• M2: 605,871 km (0.103 R)
• M3: 1,163,273 km (0.12 R)
• M4: 1,598,453 km (0.1 R)
• M5: 2,074,174 km (0.097 R)
• M6: 3,699,855 km (0.072 R)
• M7: 4,257,107 km (0.044 R)
• M8: 4,870,009 km (0.12 R)
• M9: 5,382,531 km (0.099 R)
• M10: 6,036,872 km (0.084 R)
• M11: 7,455,808 km (0.108 R)
• M12: 8,947,149 km (0.082 R)
• M13: 9,573,067 km (0.092 R)
• M14: 10,197,788 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 11.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.86 AU - 2.12 AU

Year: 1938 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,467,055 km

• M1: 144,661 km (0.066 R)
• M2: 525,837 km (0.032 R)
• M3: 1,234,182 km (0.072 R)
• M4: 2,258,030 km (0.084 R)
• M5: 2,666,432 km (0.085 R)
• M6: 3,172,821 km (0.114 R)
• M7: 4,693,035 km (0.093 R)
• M8: 6,022,511 km (0.107 R)
• M9: 6,517,231 km (0.114 R)
• M10: 6,899,155 km (0.089 R)
• M11: 7,618,272 km (0.044 R)
• M12: 8,675,779 km (0.065 R)
• M13: 9,445,011 km (0.096 R)
• M14: 10,890,426 km (0.111 R)
• M15: 13,197,823 km (0.09 R)
• M16: 14,489,003 km (0.104 R)
• M17: 15,236,543 km (0.094 R)
• M18: 16,058,733 km (0.09 R)
• M19: 16,859,381 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 15

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.9 AU - 2.3 AU

Year: 2101 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,467,055 km

• M1: 186,549 km (0.06 R)
• M2: 942,167 km (0.095 R)
• M3: 1,652,458 km (0.1 R)
• M4: 2,217,938 km (0.118 R)
• M5: 2,897,711 km (0.076 R)
• M6: 4,618,236 km (0.105 R)
• M7: 5,616,951 km (0.073 R)
• M8: 6,568,843 km (0.026 R)
• M9: 7,451,769 km (0.106 R)
• M10: 8,538,448 km (0.074 R)
• M11: 9,253,077 km (0.029 R)
• M12: 9,972,044 km (0.081 R)
• M13: 11,253,350 km (0.113 R)
• M14: 12,765,785 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 8.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.28 AU - 2.54 AU

Year: 2582 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,467,055 km

• M1: 110,702 km (0.11 R)
• M2: 656,136 km (0.107 R)
• M3: 1,019,809 km (0.11 R)
• M4: 1,324,091 km (0.118 R)
• M5: 2,681,542 km (0.088 R)
• M6: 3,352,488 km (0.105 R)
• M7: 4,754,520 km (0.083 R)
• M8: 6,846,347 km (0.036 R)
• M9: 7,383,403 km (0.103 R)
• M10: 8,035,650 km (0.048 R)
• M11: 8,787,529 km (0.088 R)
• M12: 9,618,395 km (0.074 R)
• M13: 10,189,410 km (0.107 R)
• M14: 10,676,501 km (0.114 R)
• M15: 12,821,435 km (0.04 R)
• M16: 13,307,179 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 8.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.44 AU - 3.12 AU

Year: 3199 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,467,055 km

• M1: 106,962 km (0.108 R)
• M2: 423,661 km (0.038 R)
• M3: 1,312,572 km (0.087 R)
• M4: 1,758,673 km (0.072 R)
• M5: 2,212,553 km (0.094 R)
• M6: 3,988,429 km (0.085 R)
• M7: 4,661,619 km (0.096 R)
• M8: 4,966,799 km (0.06 R)
• M9: 5,638,793 km (0.04 R)
• M10: 7,288,857 km (0.096 R)
• M11: 7,886,351 km (0.081 R)
• M12: 8,828,818 km (0.116 R)
• M13: 9,149,406 km (0.108 R)
• M14: 11,069,943 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 13.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.12 AU - 5.08 AU

Year: 5730 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,467,055 km

• M1: 167,998 km (0.098 R)
• M2: 618,288 km (0.089 R)
• M3: 1,626,877 km (0.086 R)
• M4: 3,640,315 km (0.057 R)
• M5: 4,671,493 km (0.112 R)
• M6: 6,224,019 km (0.112 R)
• M7: 7,412,275 km (0.106 R)
• M8: 7,876,777 km (0.048 R)
• M9: 8,590,957 km (0.112 R)
• M10: 10,499,227 km (0.106 R)
• M11: 11,086,549 km (0.097 R)
• M12: 13,552,071 km (0.094 R)
• M13: 14,140,140 km (0.07 R)
• M14: 15,597,972 km (0.097 R)
• M15: 16,664,455 km (0.108 R)
• M16: 20,712,274 km (0.057 R)
• M17: 23,038,670 km (0.043 R)
• M18: 23,723,230 km (0.1 R)
• M19: 24,578,332 km (0.117 R)
• M20: 27,182,980 km (0.075 R)
• M21: 29,077,039 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 7.1

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.04 AU - 6.22 AU

Year: 9221 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,467,055 km

• M1: 88,263 km (0.054 R)
• M2: 344,673 km (0.089 R)
• M3: 617,390 km (0.115 R)
• M4: 1,124,677 km (0.12 R)
• M5: 1,408,165 km (0.06 R)
• M6: 1,678,039 km (0.085 R)
• M7: 2,229,756 km (0.077 R)
• M8: 2,538,077 km (0.11 R)
• M9: 3,031,002 km (0.097 R)
• M10: 4,833,806 km (0.096 R)
• M11: 6,272,938 km (0.081 R)
• M12: 9,174,688 km (0.072 R)
• M13: 10,071,078 km (0.117 R)
• M14: 10,540,666 km (0.077 R)
• M15: 11,864,009 km (0.089 R)
• M16: 13,418,929 km (0.078 R)
• M17: 13,859,794 km (0.106 R)
• M18: 14,375,308 km (0.04 R)
• M19: 14,637,852 km (0.096 R)
• M20: 15,720,193 km (0.09 R)
• M21: 17,891,756 km (0.101 R)
• M22: 19,848,047 km (0.09 R)
• M23: 21,683,763 km (0.119 R)
• M24: 22,642,685 km (0.099 R)
• M25: 24,272,554 km (0.055 R)
• M26: 24,832,798 km (0.07 R)
• M27: 29,207,638 km (0.071 R)
• M28: 29,523,439 km (0.059 R)
• M29: 31,136,403 km (0.041 R)
• M30: 32,356,075 km (0.107 R)
• M31: 37,059,731 km (0.101 R)
• M32: 37,927,249 km (0.056 R)
• M33: 42,333,953 km (0.076 R)
• M34: 42,738,466 km (0.084 R)
• M35: 45,219,696 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 17,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit