🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

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: 159.2

Radius: 9.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 424 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,180,218 km

• M1: 116,836 km (0.083 R)
• M2: 424,708 km (0.109 R)
• M3: 732,730 km (0.053 R)
• M4: 1,123,480 km (0.111 R)
• M5: 1,511,387 km (0.071 R)
• M6: 1,967,511 km (0.06 R)
• M7: 2,505,465 km (0.09 R)
• M8: 2,818,424 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 10.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.1 AU

Year: 579 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,180,218 km

• M1: 131,796 km (0.064 R)
• M2: 553,662 km (0.112 R)
• M3: 913,145 km (0.107 R)
• M4: 1,310,777 km (0.116 R)
• M5: 1,670,260 km (0.087 R)
• M6: 2,046,349 km (0.088 R)
• M7: 2,404,487 km (0.115 R)
• M8: 3,037,585 km (0.047 R)
• M9: 3,531,108 km (0.046 R)
• M10: 4,064,275 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 12

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.3 AU - 1.56 AU

Year: 1140 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,180,218 km

• M1: 149,299 km (0.12 R)
• M2: 549,473 km (0.036 R)
• M3: 973,583 km (0.072 R)
• M4: 1,445,564 km (0.078 R)
• M5: 2,204,773 km (0.113 R)
• M6: 2,786,410 km (0.11 R)
• M7: 3,444,790 km (0.119 R)
• M8: 4,004,735 km (0.116 R)
• M9: 5,632,509 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 13.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.73 AU - 2.17 AU

Year: 1816 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,180,218 km

• M1: 167,849 km (0.103 R)
• M2: 624,122 km (0.085 R)
• M3: 1,177,784 km (0.061 R)
• M4: 1,845,589 km (0.106 R)
• M5: 2,930,921 km (0.07 R)
• M6: 3,560,729 km (0.061 R)
• M7: 4,297,348 km (0.1 R)
• M8: 4,759,905 km (0.078 R)
• M9: 5,548,435 km (0.088 R)
• M10: 6,328,738 km (0.11 R)
• M11: 8,219,356 km (0.107 R)
• M12: 9,054,710 km (0.108 R)
• M13: 11,902,755 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 13.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.21 AU - 4.05 AU

Year: 4612 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,180,218 km

• M1: 165,605 km (0.068 R)
• M2: 666,309 km (0.115 R)
• M3: 1,305,840 km (0.101 R)
• M4: 1,836,463 km (0.109 R)
• M5: 2,308,894 km (0.111 R)
• M6: 2,951,416 km (0.094 R)
• M7: 3,947,888 km (0.086 R)
• M8: 4,745,992 km (0.038 R)
• M9: 5,564,891 km (0.083 R)
• M10: 6,383,790 km (0.104 R)
• M11: 8,225,340 km (0.104 R)
• M12: 11,687,483 km (0.109 R)
• M13: 12,298,740 km (0.078 R)
• M14: 13,130,205 km (0.048 R)
• M15: 15,124,345 km (0.066 R)
• M16: 16,193,670 km (0.118 R)
• M17: 17,615,897 km (0.077 R)
• M18: 18,927,272 km (0.061 R)
• M19: 20,707,786 km (0.028 R)
• M20: 22,096,952 km (0.113 R)
• M21: 23,178,844 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596

Radius: 15

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.21 AU - 5.69 AU

Year: 8484 Days

Day: 15 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,180,218 km

• M1: 191,635 km (0.114 R)
• M2: 855,550 km (0.107 R)
• M3: 1,600,996 km (0.069 R)
• M4: 2,498,135 km (0.08 R)
• M5: 3,320,474 km (0.084 R)
• M6: 4,108,706 km (0.079 R)
• M7: 4,901,873 km (0.095 R)
• M8: 5,698,033 km (0.058 R)
• M9: 6,438,094 km (0.117 R)
• M10: 7,053,091 km (0.075 R)
• M11: 7,866,903 km (0.091 R)
• M12: 8,960,613 km (0.093 R)
• M13: 10,989,160 km (0.075 R)
• M14: 12,686,348 km (0.111 R)
• M15: 13,308,376 km (0.083 R)
• M16: 14,736,437 km (0.045 R)
• M17: 15,424,288 km (0.106 R)
• M18: 16,330,552 km (0.034 R)
• M19: 18,679,389 km (0.114 R)
• M20: 19,263,419 km (0.08 R)
• M21: 19,934,814 km (0.114 R)
• M22: 21,722,060 km (0.083 R)
• M23: 24,730,772 km (0.077 R)
• M24: 26,517,270 km (0.11 R)
• M25: 35,967,966 km (0.092 R)
• M26: 38,141,772 km (0.107 R)
• M27: 40,039,122 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 5.9

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.29 AU - 9.43 AU

Year: 17587 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,180,218 km

• M1: 73,303 km (0.097 R)
• M2: 280,197 km (0.105 R)
• M3: 465,848 km (0.102 R)
• M4: 1,054,515 km (0.091 R)
• M5: 1,397,992 km (0.086 R)
• M6: 1,727,855 km (0.098 R)
• M7: 2,521,023 km (0.093 R)
• M8: 2,841,013 km (0.082 R)
• M9: 3,702,697 km (0.105 R)
• M10: 6,833,032 km (0.106 R)
• M11: 7,364,105 km (0.068 R)
• M12: 8,863,225 km (0.079 R)
• M13: 11,878,669 km (0.071 R)
• M14: 13,444,959 km (0.102 R)
• M15: 14,997,187 km (0.066 R)
• M16: 15,365,945 km (0.105 R)
• M17: 16,275,800 km (0.091 R)
• M18: 23,672,517 km (0.109 R)
• M19: 27,760,578 km (0.095 R)
• M20: 30,851,270 km (0.09 R)
• M21: 32,910,484 km (0.108 R)
• M22: 36,898,464 km (0.117 R)
• M23: 42,504,495 km (0.047 R)
• M24: 45,971,725 km (0.072 R)
• M25: 47,378,244 km (0.106 R)
• M26: 47,853,367 km (0.118 R)
• M27: 48,974,453 km (0.108 R)
• M28: 51,102,633 km (0.097 R)
• M29: 53,462,689 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit