🌌 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: 649.1

Radius: 13.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1 AU

Year: 471 Days

Day: 9 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,251,101 km

• M1: 166,652 km (0.09 R)
• M2: 625,020 km (0.112 R)
• M3: 1,075,908 km (0.088 R)
• M4: 1,528,591 km (0.034 R)
• M5: 1,978,581 km (0.112 R)
• M6: 2,527,905 km (0.035 R)
• M7: 2,989,265 km (0.12 R)
• M8: 3,531,707 km (0.035 R)
• M9: 4,031,214 km (0.042 R)
• M10: 5,000,458 km (0.096 R)
• M11: 5,432,946 km (0.114 R)
• M12: 5,977,931 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 10.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,251,101 km

• M1: 175,329 km (0.09 R)
• M2: 729,439 km (0.114 R)
• M3: 1,369,868 km (0.105 R)
• M4: 1,913,058 km (0.116 R)
• M5: 2,462,082 km (0.115 R)
• M6: 3,081,716 km (0.074 R)
• M7: 3,522,282 km (0.087 R)
• M8: 4,087,762 km (0.115 R)
• M9: 4,821,539 km (0.1 R)
• M10: 5,728,551 km (0.103 R)
• M11: 6,514,688 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 12.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.67 AU - 1.75 AU

Year: 1444 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,251,101 km

• M1: 159,322 km (0.115 R)
• M2: 558,299 km (0.101 R)
• M3: 1,176,438 km (0.104 R)
• M4: 1,738,327 km (0.115 R)
• M5: 2,140,147 km (0.074 R)
• M6: 2,579,067 km (0.1 R)
• M7: 3,048,805 km (0.101 R)
• M8: 3,879,073 km (0.105 R)
• M9: 5,122,979 km (0.119 R)
• M10: 5,577,308 km (0.109 R)
• M11: 6,105,687 km (0.108 R)
• M12: 7,343,759 km (0.104 R)
• M13: 8,122,865 km (0.098 R)
• M14: 9,204,757 km (0.105 R)
• M15: 11,039,874 km (0.039 R)
• M16: 11,653,674 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 11.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.84 AU - 2.02 AU

Year: 1731 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,251,101 km

• M1: 141,819 km (0.048 R)
• M2: 566,976 km (0.063 R)
• M3: 939,774 km (0.099 R)
• M4: 1,527,693 km (0.066 R)
• M5: 1,965,118 km (0.082 R)
• M6: 2,653,268 km (0.066 R)
• M7: 3,039,679 km (0.116 R)
• M8: 3,997,106 km (0.045 R)
• M9: 4,451,285 km (0.081 R)
• M10: 5,529,287 km (0.113 R)
• M11: 7,997,652 km (0.057 R)
• M12: 8,397,976 km (0.062 R)
• M13: 10,201,378 km (0.114 R)
• M14: 10,707,168 km (0.067 R)
• M15: 11,336,078 km (0.07 R)
• M16: 11,989,372 km (0.073 R)
• M17: 12,744,542 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.6

Radius: 11.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.28 AU - 2.88 AU

Year: 2676 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,251,101 km

• M1: 141,370 km (0.039 R)
• M2: 915,689 km (0.042 R)
• M3: 1,944,174 km (0.093 R)
• M4: 2,380,252 km (0.113 R)
• M5: 3,929,038 km (0.072 R)
• M6: 4,614,047 km (0.085 R)
• M7: 5,193,888 km (0.11 R)
• M8: 5,735,134 km (0.113 R)
• M9: 6,522,916 km (0.059 R)
• M10: 7,153,621 km (0.104 R)
• M11: 9,533,424 km (0.116 R)
• M12: 10,835,972 km (0.058 R)
• M13: 11,238,839 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.8

Radius: 9.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.97 AU - 4.03 AU

Year: 5165 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,251,101 km

• M1: 116,836 km (0.104 R)
• M2: 901,028 km (0.094 R)
• M3: 1,948,363 km (0.093 R)
• M4: 2,889,034 km (0.12 R)
• M5: 3,340,670 km (0.113 R)
• M6: 3,646,598 km (0.104 R)
• M7: 5,829,829 km (0.078 R)
• M8: 6,139,347 km (0.08 R)
• M9: 7,437,857 km (0.059 R)
• M10: 8,539,645 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 14.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.6 AU - 5.84 AU

Year: 7701 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,251,101 km

• M1: 180,415 km (0.039 R)
• M2: 1,012,778 km (0.078 R)
• M3: 2,989,713 km (0.114 R)
• M4: 4,572,160 km (0.083 R)
• M5: 5,029,181 km (0.089 R)
• M6: 6,103,144 km (0.099 R)
• M7: 6,803,262 km (0.066 R)
• M8: 7,674,371 km (0.082 R)
• M9: 8,198,861 km (0.118 R)
• M10: 9,320,247 km (0.069 R)
• M11: 10,012,436 km (0.096 R)
• M12: 10,938,148 km (0.117 R)
• M13: 11,499,738 km (0.106 R)
• M14: 12,351,099 km (0.113 R)
• M15: 13,706,307 km (0.091 R)
• M16: 14,663,583 km (0.03 R)
• M17: 16,313,797 km (0.044 R)
• M18: 17,048,024 km (0.104 R)
• M19: 18,654,555 km (0.102 R)
• M20: 19,905,343 km (0.112 R)
• M21: 21,606,121 km (0.113 R)
• M22: 22,248,046 km (0.118 R)
• M23: 24,336,582 km (0.082 R)
• M24: 25,031,613 km (0.097 R)
• M25: 27,756,987 km (0.114 R)
• M26: 28,229,717 km (0.083 R)
• M27: 30,373,903 km (0.055 R)
• M28: 39,088,727 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 13.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.31 AU - 6.47 AU

Year: 9230 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,251,101 km

• M1: 170,392 km (0.112 R)
• M2: 787,932 km (0.111 R)
• M3: 1,475,484 km (0.106 R)
• M4: 2,135,210 km (0.098 R)
• M5: 2,759,482 km (0.108 R)
• M6: 3,386,297 km (0.049 R)
• M7: 3,821,926 km (0.051 R)
• M8: 4,378,131 km (0.099 R)
• M9: 5,393,602 km (0.055 R)
• M10: 6,026,401 km (0.028 R)
• M11: 6,524,113 km (0.069 R)
• M12: 7,361,711 km (0.05 R)
• M13: 7,973,267 km (0.043 R)
• M14: 9,675,093 km (0.12 R)
• M15: 10,309,687 km (0.05 R)
• M16: 12,045,770 km (0.09 R)
• M17: 13,665,765 km (0.076 R)
• M18: 14,340,302 km (0.091 R)
• M19: 16,912,937 km (0.091 R)
• M20: 18,492,840 km (0.097 R)
• M21: 18,940,287 km (0.051 R)
• M22: 22,870,373 km (0.113 R)
• M23: 24,980,750 km (0.117 R)
• M24: 25,619,982 km (0.104 R)
• M25: 27,410,219 km (0.094 R)
• M26: 29,484,394 km (0.054 R)
• M27: 30,301,498 km (0.076 R)
• M28: 35,985,319 km (0.031 R)
• M29: 36,566,656 km (0.06 R)
• M30: 37,272,609 km (0.102 R)
• M31: 38,833,363 km (0.119 R)
• M32: 42,600,836 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.4

Radius: 6.1

Gravity: 24.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.49 AU - 9.31 AU

Year: 14337 Days

Day: 16.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,251,101 km

• M1: 77,342 km (0.093 R)
• M2: 515,065 km (0.077 R)
• M3: 1,004,550 km (0.113 R)
• M4: 1,614,610 km (0.108 R)
• M5: 1,907,822 km (0.099 R)
• M6: 2,489,907 km (0.079 R)
• M7: 2,786,560 km (0.093 R)
• M8: 3,618,324 km (0.03 R)
• M9: 4,705,601 km (0.117 R)
• M10: 5,416,789 km (0.117 R)
• M11: 5,643,430 km (0.062 R)
• M12: 6,403,537 km (0.116 R)
• M13: 7,645,050 km (0.12 R)
• M14: 8,624,766 km (0.115 R)
• M15: 8,934,434 km (0.101 R)
• M16: 9,358,693 km (0.101 R)
• M17: 13,386,915 km (0.106 R)
• M18: 13,942,522 km (0.06 R)
• M19: 15,931,126 km (0.106 R)
• M20: 17,033,363 km (0.092 R)
• M21: 17,685,460 km (0.106 R)
• M22: 18,269,640 km (0.119 R)
• M23: 19,741,683 km (0.025 R)
• M24: 20,279,637 km (0.092 R)
• M25: 21,856,997 km (0.058 R)
• M26: 24,220,344 km (0.12 R)
• M27: 25,674,884 km (0.117 R)
• M28: 27,407,377 km (0.042 R)
• M29: 29,914,787 km (0.042 R)
• M30: 33,956,323 km (0.083 R)
• M31: 35,511,692 km (0.086 R)
• M32: 36,040,670 km (0.105 R)
• M33: 37,249,870 km (0.043 R)
• M34: 42,505,692 km (0.09 R)
• M35: 44,463,629 km (0.11 R)
• M36: 44,923,941 km (0.117 R)
• M37: 45,853,842 km (0.091 R)
• M38: 50,198,164 km (0.045 R)
• M39: 53,760,837 km (0.099 R)
• M40: 56,765,660 km (0.065 R)
• M41: 60,817,818 km (0.093 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: 353 - 13,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit