🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 8.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 610 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,519,947 km

• M1: 100,679 km (0.103 R)
• M2: 433,535 km (0.102 R)
• M3: 855,550 km (0.079 R)
• M4: 1,249,591 km (0.058 R)
• M5: 1,976,786 km (0.057 R)
• M6: 2,387,881 km (0.106 R)
• M7: 2,653,268 km (0.064 R)
• M8: 2,928,079 km (0.068 R)
• M9: 3,278,437 km (0.105 R)
• M10: 4,223,746 km (0.069 R)
• M11: 5,308,331 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 11.6

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.61 AU - 1.85 AU

Year: 1599 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,519,947 km

• M1: 144,512 km (0.045 R)
• M2: 568,023 km (0.082 R)
• M3: 1,006,345 km (0.106 R)
• M4: 1,496,727 km (0.104 R)
• M5: 1,996,982 km (0.093 R)
• M6: 3,419,658 km (0.052 R)
• M7: 3,806,219 km (0.105 R)
• M8: 4,297,498 km (0.101 R)
• M9: 5,039,503 km (0.092 R)
• M10: 5,841,498 km (0.105 R)
• M11: 8,762,695 km (0.119 R)
• M12: 11,180,496 km (0.045 R)
• M13: 12,700,710 km (0.103 R)
• M14: 13,142,023 km (0.094 R)
• M15: 14,183,075 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 10.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.91 AU - 1.99 AU

Year: 1914 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,519,947 km

• M1: 141,370 km (0.117 R)
• M2: 539,749 km (0.069 R)
• M3: 1,004,699 km (0.117 R)
• M4: 1,885,382 km (0.072 R)
• M5: 4,012,065 km (0.091 R)
• M6: 4,403,264 km (0.072 R)
• M7: 5,263,152 km (0.056 R)
• M8: 5,685,018 km (0.119 R)
• M9: 8,486,837 km (0.079 R)
• M10: 8,904,364 km (0.098 R)
• M11: 9,470,892 km (0.113 R)
• M12: 11,201,440 km (0.118 R)
• M13: 13,562,543 km (0.109 R)
• M14: 14,448,611 km (0.104 R)
• M15: 16,434,224 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 11

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.79 AU - 3.23 AU

Year: 3671 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,519,947 km

• M1: 303,235 km (0.11 R)
• M2: 823,087 km (0.117 R)
• M3: 1,287,888 km (0.091 R)
• M4: 1,925,773 km (0.114 R)
• M5: 2,661,795 km (0.105 R)
• M6: 3,654,526 km (0.077 R)
• M7: 4,839,940 km (0.094 R)
• M8: 7,953,520 km (0.041 R)
• M9: 9,285,241 km (0.105 R)
• M10: 10,992,452 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.2

Radius: 13.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.86 AU - 3.2 AU

Year: 3707 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,519,947 km

• M1: 172,486 km (0.116 R)
• M2: 691,441 km (0.069 R)
• M3: 1,308,084 km (0.078 R)
• M4: 2,053,380 km (0.104 R)
• M5: 2,949,023 km (0.09 R)
• M6: 3,781,236 km (0.089 R)
• M7: 5,912,557 km (0.086 R)
• M8: 6,835,725 km (0.073 R)
• M9: 7,427,983 km (0.102 R)
• M10: 8,823,282 km (0.105 R)
• M11: 9,263,250 km (0.047 R)
• M12: 9,756,175 km (0.091 R)
• M13: 10,266,752 km (0.113 R)
• M14: 10,753,843 km (0.072 R)
• M15: 12,039,637 km (0.12 R)
• M16: 12,858,835 km (0.053 R)
• M17: 14,008,644 km (0.08 R)
• M18: 17,524,194 km (0.11 R)
• M19: 18,398,444 km (0.037 R)
• M20: 19,057,871 km (0.064 R)
• M21: 19,795,239 km (0.118 R)
• M22: 21,261,597 km (0.113 R)
• M23: 22,188,955 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 8.2

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.51 AU - 3.77 AU

Year: 4882 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,519,947 km

• M1: 110,104 km (0.077 R)
• M2: 513,569 km (0.084 R)
• M3: 776,862 km (0.108 R)
• M4: 1,050,626 km (0.072 R)
• M5: 1,610,421 km (0.09 R)
• M6: 3,193,765 km (0.051 R)
• M7: 4,713,380 km (0.105 R)
• M8: 6,063,800 km (0.068 R)
• M9: 6,729,211 km (0.119 R)
• M10: 7,199,248 km (0.027 R)
• M11: 8,167,296 km (0.081 R)
• M12: 8,431,934 km (0.119 R)
• M13: 11,829,900 km (0.088 R)
• M14: 13,071,413 km (0.105 R)
• M15: 13,591,415 km (0.11 R)
• M16: 16,341,623 km (0.104 R)
• M17: 17,563,688 km (0.115 R)
• M18: 18,069,179 km (0.096 R)
• M19: 20,534,253 km (0.075 R)
• M20: 22,765,355 km (0.064 R)
• M21: 23,747,316 km (0.108 R)
• M22: 27,702,982 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 9.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.8 AU - 4.5 AU

Year: 4902 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,519,947 km

• M1: 120,725 km (0.116 R)
• M2: 427,252 km (0.033 R)
• M3: 929,751 km (0.107 R)
• M4: 1,355,357 km (0.075 R)
• M5: 1,700,928 km (0.049 R)
• M6: 2,300,366 km (0.084 R)
• M7: 2,607,491 km (0.067 R)
• M8: 3,187,781 km (0.041 R)
• M9: 3,829,705 km (0.103 R)
• M10: 4,580,388 km (0.057 R)
• M11: 5,178,330 km (0.083 R)
• M12: 5,915,997 km (0.059 R)
• M13: 6,466,667 km (0.111 R)
• M14: 7,635,027 km (0.092 R)
• M15: 12,319,235 km (0.076 R)
• M16: 12,813,058 km (0.039 R)
• M17: 13,268,733 km (0.057 R)
• M18: 15,426,084 km (0.073 R)
• M19: 16,767,229 km (0.056 R)
• M20: 17,745,000 km (0.052 R)
• M21: 18,567,041 km (0.095 R)
• M22: 19,348,241 km (0.083 R)
• M23: 20,560,881 km (0.062 R)
• M24: 21,467,594 km (0.059 R)
• M25: 22,914,355 km (0.11 R)
• M26: 23,586,199 km (0.106 R)
• M27: 28,234,803 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.52 AU - 4.56 AU

Year: 6800 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,519,947 km

• M1: 123,119 km (0.067 R)
• M2: 483,500 km (0.051 R)
• M3: 803,341 km (0.092 R)
• M4: 1,419,983 km (0.054 R)
• M5: 1,916,648 km (0.088 R)
• M6: 2,570,241 km (0.094 R)
• M7: 2,909,080 km (0.074 R)
• M8: 3,437,609 km (0.116 R)
• M9: 4,510,675 km (0.085 R)
• M10: 4,822,437 km (0.039 R)
• M11: 5,767,746 km (0.108 R)
• M12: 9,966,360 km (0.061 R)
• M13: 12,769,525 km (0.065 R)
• M14: 13,396,639 km (0.098 R)
• M15: 14,232,741 km (0.088 R)
• M16: 17,598,095 km (0.09 R)
• M17: 19,000,725 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 4.1

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.31 AU - 6.69 AU

Year: 9067 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,519,947 km

• M1: 52,658 km (0.09 R)
• M2: 181,761 km (0.088 R)
• M3: 321,486 km (0.095 R)
• M4: 660,624 km (0.048 R)
• M5: 899,981 km (0.118 R)
• M6: 1,175,091 km (0.12 R)
• M7: 1,539,811 km (0.056 R)
• M8: 1,715,888 km (0.028 R)
• M9: 2,230,803 km (0.079 R)
• M10: 2,769,356 km (0.075 R)
• M11: 3,246,872 km (0.03 R)
• M12: 3,822,226 km (0.07 R)
• M13: 4,462,654 km (0.115 R)
• M14: 5,035,165 km (0.034 R)
• M15: 6,711,110 km (0.091 R)
• M16: 9,083,732 km (0.113 R)
• M17: 9,998,822 km (0.099 R)
• M18: 10,171,608 km (0.087 R)
• M19: 10,973,752 km (0.078 R)
• M20: 12,652,689 km (0.106 R)
• M21: 13,421,921 km (0.072 R)
• M22: 13,844,685 km (0.097 R)
• M23: 15,109,535 km (0.103 R)
• M24: 15,799,031 km (0.047 R)
• M25: 16,210,874 km (0.111 R)
• M26: 16,690,335 km (0.112 R)
• M27: 17,364,722 km (0.068 R)
• M28: 20,244,930 km (0.117 R)
• M29: 21,725,500 km (0.065 R)
• M30: 25,457,518 km (0.084 R)
• M31: 28,543,124 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.1

Radius: 8

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.68 AU - 7.12 AU

Year: 12740 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,519,947 km

• M1: 99,632 km (0.093 R)
• M2: 356,043 km (0.075 R)
• M3: 636,389 km (0.115 R)
• M4: 887,265 km (0.097 R)
• M5: 1,420,432 km (0.074 R)
• M6: 3,183,293 km (0.114 R)
• M7: 3,549,209 km (0.058 R)
• M8: 4,278,499 km (0.081 R)
• M9: 5,201,817 km (0.114 R)
• M10: 5,745,605 km (0.094 R)
• M11: 6,906,485 km (0.118 R)
• M12: 7,271,055 km (0.074 R)
• M13: 8,038,941 km (0.11 R)
• M14: 8,351,600 km (0.082 R)
• M15: 8,859,635 km (0.109 R)
• M16: 12,888,006 km (0.111 R)
• M17: 14,268,196 km (0.113 R)
• M18: 15,332,136 km (0.057 R)
• M19: 16,663,108 km (0.069 R)
• M20: 18,452,299 km (0.061 R)
• M21: 29,770,874 km (0.086 R)
• M22: 32,732,313 km (0.097 R)
• M23: 34,694,439 km (0.091 R)
• M24: 35,048,687 km (0.047 R)
• M25: 35,405,328 km (0.116 R)
• M26: 38,220,311 km (0.06 R)
• M27: 41,181,152 km (0.034 R)
• M28: 42,245,840 km (0.114 R)
• M29: 47,992,044 km (0.108 R)
• M30: 50,368,855 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit