🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 9.4

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.71 AU - 0.91 AU

Year: 503 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,047,813 km

• M1: 116,836 km (0.114 R)
• M2: 475,572 km (0.1 R)
• M3: 822,938 km (0.117 R)
• M4: 1,381,985 km (0.049 R)
• M5: 1,994,439 km (0.096 R)
• M6: 2,335,073 km (0.088 R)
• M7: 2,714,453 km (0.07 R)
• M8: 3,288,610 km (0.061 R)
• M9: 4,093,297 km (0.093 R)
• M10: 4,959,768 km (0.113 R)
• M11: 5,419,632 km (0.072 R)
• M12: 6,292,834 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 12.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.89 AU - 2.09 AU

Year: 1938 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,047,813 km

• M1: 154,235 km (0.119 R)
• M2: 552,764 km (0.108 R)
• M3: 1,034,918 km (0.045 R)
• M4: 1,473,689 km (0.102 R)
• M5: 1,922,781 km (0.086 R)
• M6: 2,550,644 km (0.1 R)
• M7: 2,990,611 km (0.109 R)
• M8: 3,871,892 km (0.119 R)
• M9: 5,307,284 km (0.07 R)
• M10: 5,962,522 km (0.079 R)
• M11: 7,514,600 km (0.092 R)
• M12: 8,807,425 km (0.102 R)
• M13: 11,650,084 km (0.08 R)
• M14: 12,644,461 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 10.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.05 AU - 2.99 AU

Year: 2761 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,047,813 km

• M1: 126,859 km (0.109 R)
• M2: 452,534 km (0.091 R)
• M3: 1,017,864 km (0.086 R)
• M4: 1,869,824 km (0.038 R)
• M5: 3,556,989 km (0.08 R)
• M6: 4,317,395 km (0.096 R)
• M7: 6,312,282 km (0.113 R)
• M8: 9,150,752 km (0.066 R)
• M9: 12,829,663 km (0.112 R)
• M10: 13,376,294 km (0.099 R)
• M11: 15,156,508 km (0.105 R)
• M12: 15,863,209 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 12.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.19 AU - 3.33 AU

Year: 4063 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,047,813 km

• M1: 154,684 km (0.118 R)
• M2: 1,335,161 km (0.078 R)
• M3: 2,583,555 km (0.082 R)
• M4: 3,134,973 km (0.085 R)
• M5: 3,899,717 km (0.089 R)
• M6: 4,497,660 km (0.067 R)
• M7: 4,991,483 km (0.054 R)
• M8: 5,646,871 km (0.096 R)
• M9: 6,222,823 km (0.113 R)
• M10: 7,012,251 km (0.097 R)
• M11: 8,091,599 km (0.115 R)
• M12: 10,119,847 km (0.108 R)
• M13: 12,467,187 km (0.104 R)
• M14: 12,905,808 km (0.116 R)
• M15: 13,629,264 km (0.098 R)
• M16: 16,955,423 km (0.049 R)
• M17: 17,494,424 km (0.096 R)
• M18: 20,063,019 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 10.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.38 AU - 4.52 AU

Year: 5419 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,047,813 km

• M1: 138,528 km (0.11 R)
• M2: 755,320 km (0.037 R)
• M3: 2,332,979 km (0.077 R)
• M4: 3,291,901 km (0.097 R)
• M5: 4,307,820 km (0.052 R)
• M6: 5,768,943 km (0.098 R)
• M7: 6,836,024 km (0.11 R)
• M8: 7,416,614 km (0.111 R)
• M9: 10,943,084 km (0.067 R)
• M10: 11,657,115 km (0.091 R)
• M11: 12,233,815 km (0.042 R)
• M12: 14,124,582 km (0.106 R)
• M13: 14,780,270 km (0.111 R)
• M14: 16,713,972 km (0.095 R)
• M15: 18,038,960 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.8

Radius: 14.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.75 AU - 5.17 AU

Year: 7625 Days

Day: 6.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,047,813 km

• M1: 184,155 km (0.095 R)
• M2: 1,260,362 km (0.086 R)
• M3: 3,164,444 km (0.114 R)
• M4: 3,939,361 km (0.073 R)
• M5: 4,507,683 km (0.116 R)
• M6: 4,996,270 km (0.119 R)
• M7: 7,078,074 km (0.076 R)
• M8: 9,687,360 km (0.092 R)
• M9: 14,252,788 km (0.108 R)
• M10: 15,198,994 km (0.058 R)
• M11: 16,305,719 km (0.071 R)
• M12: 20,570,754 km (0.06 R)
• M13: 24,338,227 km (0.086 R)
• M14: 27,259,724 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.8

Radius: 3.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.23 AU - 6.21 AU

Year: 9443 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,047,813 km

• M1: 48,470 km (0.106 R)
• M2: 250,427 km (0.074 R)
• M3: 981,362 km (0.1 R)
• M4: 1,928,915 km (0.104 R)
• M5: 2,418,998 km (0.048 R)
• M6: 6,671,317 km (0.114 R)
• M7: 7,886,052 km (0.066 R)
• M8: 8,545,479 km (0.043 R)
• M9: 12,629,052 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.7

Radius: 3.9

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.86 AU - 7.34 AU

Year: 10399 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,047,813 km

• M1: 49,517 km (0.084 R)
• M2: 179,218 km (0.069 R)
• M3: 312,660 km (0.092 R)
• M4: 503,696 km (0.095 R)
• M5: 1,466,807 km (0.115 R)
• M6: 1,695,841 km (0.119 R)
• M7: 2,083,300 km (0.101 R)
• M8: 3,071,543 km (0.047 R)
• M9: 3,468,127 km (0.031 R)
• M10: 6,039,416 km (0.08 R)
• M11: 6,626,138 km (0.031 R)
• M12: 7,143,448 km (0.073 R)
• M13: 8,141,565 km (0.113 R)
• M14: 8,856,344 km (0.077 R)
• M15: 9,655,346 km (0.119 R)
• M16: 16,143,405 km (0.118 R)
• M17: 16,388,896 km (0.111 R)
• M18: 19,049,643 km (0.089 R)
• M19: 20,589,454 km (0.12 R)
• M20: 21,984,604 km (0.079 R)
• M21: 23,207,118 km (0.069 R)
• M22: 23,677,154 km (0.104 R)
• M23: 25,620,431 km (0.042 R)
• M24: 30,469,646 km (0.094 R)
• M25: 30,656,643 km (0.094 R)
• M26: 31,033,031 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.8

Radius: 7.6

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.92 AU - 10.96 AU

Year: 21632 Days

Day: 23.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,047,813 km

• M1: 94,695 km (0.066 R)
• M2: 375,341 km (0.075 R)
• M3: 763,398 km (0.058 R)
• M4: 1,483,562 km (0.099 R)
• M5: 2,569,792 km (0.072 R)
• M6: 3,435,066 km (0.092 R)
• M7: 4,046,622 km (0.072 R)
• M8: 4,516,509 km (0.098 R)
• M9: 5,211,541 km (0.119 R)
• M10: 7,045,461 km (0.041 R)
• M11: 7,331,792 km (0.032 R)
• M12: 8,555,502 km (0.025 R)
• M13: 11,796,690 km (0.091 R)
• M14: 14,135,652 km (0.076 R)
• M15: 14,823,503 km (0.093 R)
• M16: 15,373,874 km (0.111 R)
• M17: 16,101,368 km (0.087 R)
• M18: 16,682,855 km (0.068 R)
• M19: 22,051,624 km (0.073 R)
• M20: 24,357,525 km (0.09 R)
• M21: 25,345,470 km (0.071 R)
• M22: 26,132,205 km (0.102 R)
• M23: 36,595,828 km (0.092 R)
• M24: 37,311,504 km (0.118 R)
• M25: 38,036,455 km (0.095 R)
• M26: 38,918,784 km (0.079 R)
• M27: 40,877,319 km (0.076 R)
• M28: 57,799,531 km (0.108 R)
• M29: 60,942,881 km (0.12 R)
• M30: 61,343,654 km (0.118 R)
• M31: 63,785,091 km (0.028 R)
• M32: 68,212,440 km (0.052 R)
• M33: 72,390,709 km (0.049 R)
• M34: 73,744,869 km (0.111 R)
• M35: 75,807,524 km (0.108 R)
• M36: 78,854,534 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 19,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit