🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 12.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.6 AU - 2.26 AU

Year: 1759 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,087,926 km

• M1: 155,881 km (0.104 R)
• M2: 550,371 km (0.088 R)
• M3: 955,033 km (0.098 R)
• M4: 1,352,514 km (0.092 R)
• M5: 2,029,445 km (0.112 R)
• M6: 2,565,304 km (0.117 R)
• M7: 3,594,687 km (0.112 R)
• M8: 4,330,709 km (0.071 R)
• M9: 4,981,759 km (0.102 R)
• M10: 5,415,892 km (0.047 R)
• M11: 5,988,403 km (0.115 R)
• M12: 7,438,754 km (0.11 R)
• M13: 9,172,145 km (0.078 R)
• M14: 10,313,876 km (0.085 R)
• M15: 10,850,782 km (0.089 R)
• M16: 11,512,454 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 9.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.83 AU - 3.05 AU

Year: 2500 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,087,926 km

• M1: 116,238 km (0.101 R)
• M2: 529,128 km (0.107 R)
• M3: 1,302,549 km (0.056 R)
• M4: 1,817,764 km (0.094 R)
• M5: 5,291,127 km (0.114 R)
• M6: 9,542,250 km (0.117 R)
• M7: 13,173,439 km (0.087 R)
• M8: 13,908,264 km (0.031 R)
• M9: 14,488,554 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 14.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.46 AU - 3.6 AU

Year: 3460 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,087,926 km

• M1: 185,501 km (0.036 R)
• M2: 652,396 km (0.056 R)
• M3: 1,321,548 km (0.115 R)
• M4: 2,413,911 km (0.115 R)
• M5: 3,148,586 km (0.083 R)
• M6: 4,083,723 km (0.087 R)
• M7: 5,090,217 km (0.101 R)
• M8: 6,657,255 km (0.074 R)
• M9: 7,678,859 km (0.082 R)
• M10: 8,198,113 km (0.082 R)
• M11: 8,864,721 km (0.079 R)
• M12: 9,632,906 km (0.114 R)
• M13: 10,514,935 km (0.118 R)
• M14: 11,748,818 km (0.091 R)
• M15: 12,323,125 km (0.096 R)
• M16: 13,404,119 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 11

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.89 AU - 4.27 AU

Year: 5406 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,087,926 km

• M1: 136,882 km (0.069 R)
• M2: 1,309,729 km (0.025 R)
• M3: 2,022,264 km (0.109 R)
• M4: 3,087,251 km (0.099 R)
• M5: 3,895,379 km (0.119 R)
• M6: 5,337,652 km (0.057 R)
• M7: 6,164,928 km (0.099 R)
• M8: 6,688,521 km (0.104 R)
• M9: 7,342,114 km (0.078 R)
• M10: 7,966,236 km (0.072 R)
• M11: 8,968,542 km (0.041 R)
• M12: 10,955,202 km (0.099 R)
• M13: 13,119,284 km (0.089 R)
• M14: 18,907,525 km (0.05 R)
• M15: 19,488,115 km (0.078 R)
• M16: 24,039,630 km (0.066 R)
• M17: 26,202,067 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.2

Radius: 4.8

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.28 AU - 7.04 AU

Year: 10030 Days

Day: 24.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,087,926 km

• M1: 59,690 km (0.094 R)
• M2: 232,924 km (0.094 R)
• M3: 443,558 km (0.06 R)
• M4: 597,045 km (0.07 R)
• M5: 1,036,564 km (0.058 R)
• M6: 1,257,071 km (0.08 R)
• M7: 1,764,656 km (0.072 R)
• M8: 2,864,799 km (0.075 R)
• M9: 3,151,279 km (0.062 R)
• M10: 4,765,889 km (0.115 R)
• M11: 5,022,001 km (0.072 R)
• M12: 5,592,866 km (0.111 R)
• M13: 7,679,756 km (0.049 R)
• M14: 7,874,084 km (0.057 R)
• M15: 8,938,323 km (0.103 R)
• M16: 9,910,859 km (0.066 R)
• M17: 11,298,080 km (0.104 R)
• M18: 11,549,704 km (0.064 R)
• M19: 15,048,199 km (0.083 R)
• M20: 17,534,516 km (0.032 R)
• M21: 23,957,052 km (0.096 R)
• M22: 24,708,183 km (0.073 R)
• M23: 25,047,022 km (0.106 R)
• M24: 28,793,701 km (0.114 R)
• M25: 35,839,611 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 4.2

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.49 AU - 7.49 AU

Year: 12123 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,087,926 km

• M1: 52,210 km (0.088 R)
• M2: 389,702 km (0.049 R)
• M3: 642,523 km (0.085 R)
• M4: 1,219,073 km (0.071 R)
• M5: 1,688,661 km (0.053 R)
• M6: 1,834,369 km (0.111 R)
• M7: 2,117,707 km (0.108 R)
• M8: 2,558,872 km (0.032 R)
• M9: 3,254,053 km (0.092 R)
• M10: 4,688,547 km (0.118 R)
• M11: 5,784,950 km (0.098 R)
• M12: 6,288,496 km (0.066 R)
• M13: 7,694,267 km (0.044 R)
• M14: 9,892,608 km (0.088 R)
• M15: 12,975,072 km (0.109 R)
• M16: 23,184,080 km (0.096 R)
• M17: 29,958,619 km (0.065 R)
• M18: 33,316,194 km (0.111 R)
• M19: 33,633,341 km (0.109 R)
• M20: 36,803,619 km (0.068 R)
• M21: 37,597,535 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.1

Radius: 4.3

Gravity: 36.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.53 AU - 9.21 AU

Year: 13125 Days

Day: 24.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,087,926 km

• M1: 53,556 km (0.058 R)
• M2: 188,194 km (0.102 R)
• M3: 452,384 km (0.045 R)
• M4: 591,211 km (0.101 R)
• M5: 1,167,761 km (0.1 R)
• M6: 2,091,977 km (0.068 R)
• M7: 2,263,865 km (0.106 R)
• M8: 3,501,488 km (0.116 R)
• M9: 5,661,681 km (0.111 R)
• M10: 6,266,056 km (0.081 R)
• M11: 7,736,454 km (0.116 R)
• M12: 14,028,540 km (0.088 R)
• M13: 14,163,178 km (0.088 R)
• M14: 20,714,668 km (0.097 R)
• M15: 28,815,392 km (0.075 R)
• M16: 29,914,488 km (0.099 R)
• M17: 30,587,080 km (0.113 R)
• M18: 38,138,930 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.8

Radius: 7.2

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.93 AU - 8.67 AU

Year: 14291 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,087,926 km

• M1: 99,183 km (0.047 R)
• M2: 369,806 km (0.052 R)
• M3: 1,069,026 km (0.093 R)
• M4: 1,577,061 km (0.119 R)
• M5: 2,198,042 km (0.116 R)
• M6: 2,681,392 km (0.087 R)
• M7: 3,510,763 km (0.094 R)
• M8: 5,628,919 km (0.11 R)
• M9: 9,356,000 km (0.044 R)
• M10: 9,816,762 km (0.11 R)
• M11: 13,540,103 km (0.114 R)
• M12: 17,797,659 km (0.075 R)
• M13: 18,425,222 km (0.074 R)
• M14: 22,234,133 km (0.086 R)
• M15: 25,933,688 km (0.106 R)
• M16: 27,252,693 km (0.09 R)
• M17: 28,191,719 km (0.118 R)
• M18: 29,044,277 km (0.098 R)
• M19: 29,368,456 km (0.06 R)
• M20: 32,510,908 km (0.111 R)
• M21: 46,879,036 km (0.117 R)
• M22: 49,291,002 km (0.089 R)
• M23: 53,708,628 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.7

Radius: 6.6

Gravity: 18.57 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.24 AU - 13.14 AU

Year: 22929 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,087,926 km

• M1: 84,523 km (0.103 R)
• M2: 350,358 km (0.084 R)
• M3: 561,890 km (0.032 R)
• M4: 956,678 km (0.032 R)
• M5: 1,853,069 km (0.066 R)
• M6: 3,187,631 km (0.075 R)
• M7: 3,420,406 km (0.098 R)
• M8: 3,633,433 km (0.119 R)
• M9: 4,396,831 km (0.106 R)
• M10: 5,026,339 km (0.109 R)
• M11: 5,928,264 km (0.067 R)
• M12: 6,602,203 km (0.103 R)
• M13: 7,226,624 km (0.03 R)
• M14: 9,693,643 km (0.106 R)
• M15: 10,691,461 km (0.096 R)
• M16: 13,258,410 km (0.087 R)
• M17: 18,064,840 km (0.06 R)
• M18: 18,901,841 km (0.095 R)
• M19: 22,829,383 km (0.082 R)
• M20: 25,268,576 km (0.12 R)
• M21: 27,389,276 km (0.039 R)
• M22: 33,342,373 km (0.087 R)
• M23: 39,947,419 km (0.093 R)
• M24: 47,025,492 km (0.112 R)
• M25: 54,511,071 km (0.117 R)
• M26: 60,260,266 km (0.115 R)
• M27: 63,811,570 km (0.064 R)
• M28: 76,013,670 km (0.092 R)
• M29: 76,733,685 km (0.115 R)
• M30: 79,906,805 km (0.12 R)
• M31: 81,150,263 km (0.096 R)
• M32: 86,513,346 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 11,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit