🌌 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: 365

Radius: 8.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.7 AU - 0.78 AU

Year: 439 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,775,278 km

• M1: 110,702 km (0.05 R)
• M2: 441,314 km (0.071 R)
• M3: 790,924 km (0.044 R)
• M4: 1,132,007 km (0.111 R)
• M5: 1,469,949 km (0.09 R)
• M6: 2,424,233 km (0.058 R)
• M7: 2,943,189 km (0.057 R)
• M8: 3,557,437 km (0.107 R)
• M9: 4,190,087 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 14.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.3 AU - 1.66 AU

Year: 1243 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,775,278 km

• M1: 180,415 km (0.059 R)
• M2: 683,213 km (0.096 R)
• M3: 1,356,404 km (0.11 R)
• M4: 1,837,511 km (0.109 R)
• M5: 2,622,600 km (0.113 R)
• M6: 3,101,463 km (0.079 R)
• M7: 3,704,791 km (0.109 R)
• M8: 4,650,100 km (0.075 R)
• M9: 5,662,130 km (0.07 R)
• M10: 6,544,458 km (0.105 R)
• M11: 7,121,906 km (0.04 R)
• M12: 7,788,065 km (0.116 R)
• M13: 10,302,805 km (0.092 R)
• M14: 10,843,901 km (0.069 R)
• M15: 13,082,783 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.9

Radius: 12.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.79 AU - 2.27 AU

Year: 1996 Days

Day: 8.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,775,278 km

• M1: 158,125 km (0.057 R)
• M2: 611,556 km (0.046 R)
• M3: 1,050,476 km (0.111 R)
• M4: 1,492,538 km (0.097 R)
• M5: 2,039,468 km (0.104 R)
• M6: 2,488,860 km (0.072 R)
• M7: 3,559,532 km (0.099 R)
• M8: 4,024,332 km (0.111 R)
• M9: 4,700,963 km (0.1 R)
• M10: 5,646,572 km (0.087 R)
• M11: 6,118,703 km (0.052 R)
• M12: 6,568,543 km (0.082 R)
• M13: 7,481,838 km (0.106 R)
• M14: 8,052,704 km (0.068 R)
• M15: 8,978,266 km (0.103 R)
• M16: 9,436,035 km (0.057 R)
• M17: 10,565,050 km (0.099 R)
• M18: 11,319,472 km (0.113 R)
• M19: 12,220,201 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 8.2

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.87 AU - 2.47 AU

Year: 2206 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,775,278 km

• M1: 102,026 km (0.103 R)
• M2: 414,835 km (0.092 R)
• M3: 692,339 km (0.076 R)
• M4: 1,045,689 km (0.12 R)
• M5: 1,304,793 km (0.12 R)
• M6: 1,658,741 km (0.072 R)
• M7: 1,992,195 km (0.042 R)
• M8: 2,506,363 km (0.091 R)
• M9: 3,948,486 km (0.082 R)
• M10: 4,847,121 km (0.065 R)
• M11: 6,051,982 km (0.112 R)
• M12: 6,765,265 km (0.068 R)
• M13: 7,533,300 km (0.051 R)
• M14: 9,654,448 km (0.099 R)
• M15: 11,156,411 km (0.082 R)
• M16: 11,742,834 km (0.108 R)
• M17: 13,846,929 km (0.078 R)
• M18: 14,754,988 km (0.118 R)
• M19: 15,270,951 km (0.102 R)
• M20: 15,750,412 km (0.068 R)
• M21: 16,043,025 km (0.108 R)
• M22: 16,388,746 km (0.079 R)
• M23: 17,044,284 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 13.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.21 AU - 5.27 AU

Year: 6026 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,775,278 km

• M1: 170,841 km (0.045 R)
• M2: 643,570 km (0.106 R)
• M3: 1,221,766 km (0.084 R)
• M4: 2,724,626 km (0.103 R)
• M5: 3,900,615 km (0.053 R)
• M6: 5,127,916 km (0.084 R)
• M7: 6,385,735 km (0.119 R)
• M8: 7,168,431 km (0.109 R)
• M9: 7,771,011 km (0.11 R)
• M10: 8,262,739 km (0.067 R)
• M11: 9,154,343 km (0.098 R)
• M12: 11,801,178 km (0.066 R)
• M13: 12,738,857 km (0.102 R)
• M14: 14,498,577 km (0.051 R)
• M15: 16,472,371 km (0.072 R)
• M16: 17,823,838 km (0.075 R)
• M17: 18,310,779 km (0.117 R)
• M18: 20,679,961 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.2

Radius: 4.2

Gravity: 28.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.34 AU - 6.36 AU

Year: 11045 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,775,278 km

• M1: 52,210 km (0.072 R)
• M2: 404,513 km (0.03 R)
• M3: 697,126 km (0.07 R)
• M4: 999,912 km (0.097 R)
• M5: 1,372,261 km (0.11 R)
• M6: 2,404,786 km (0.113 R)
• M7: 3,250,612 km (0.089 R)
• M8: 3,844,216 km (0.074 R)
• M9: 4,595,198 km (0.116 R)
• M10: 4,865,820 km (0.094 R)
• M11: 6,020,566 km (0.036 R)
• M12: 6,680,443 km (0.117 R)
• M13: 6,910,823 km (0.077 R)
• M14: 7,387,292 km (0.104 R)
• M15: 10,052,977 km (0.1 R)
• M16: 11,084,903 km (0.072 R)
• M17: 12,242,491 km (0.116 R)
• M18: 12,703,851 km (0.041 R)
• M19: 15,120,605 km (0.034 R)
• M20: 17,247,288 km (0.094 R)
• M21: 18,644,831 km (0.091 R)
• M22: 20,596,336 km (0.108 R)
• M23: 23,551,043 km (0.09 R)
• M24: 23,995,050 km (0.118 R)
• M25: 24,174,118 km (0.062 R)
• M26: 26,298,707 km (0.093 R)
• M27: 27,260,023 km (0.119 R)
• M28: 28,145,044 km (0.076 R)
• M29: 28,344,309 km (0.118 R)
• M30: 28,544,471 km (0.103 R)
• M31: 29,252,517 km (0.026 R)
• M32: 33,973,377 km (0.086 R)
• M33: 39,925,877 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.5

Radius: 3.5

Gravity: 51.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.89 AU - 10.39 AU

Year: 17530 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,775,278 km

• M1: 43,533 km (0.076 R)
• M2: 218,114 km (0.103 R)
• M3: 348,413 km (0.116 R)
• M4: 531,521 km (0.064 R)
• M5: 1,066,483 km (0.092 R)
• M6: 1,335,759 km (0.097 R)
• M7: 2,461,035 km (0.118 R)
• M8: 3,798,140 km (0.028 R)
• M9: 4,227,486 km (0.114 R)
• M10: 4,654,289 km (0.101 R)
• M11: 4,895,740 km (0.068 R)
• M12: 5,073,163 km (0.118 R)
• M13: 5,826,388 km (0.067 R)
• M14: 6,106,884 km (0.093 R)
• M15: 7,273,299 km (0.109 R)
• M16: 7,788,364 km (0.026 R)
• M17: 8,227,584 km (0.073 R)
• M18: 8,838,691 km (0.114 R)
• M19: 9,755,277 km (0.07 R)
• M20: 12,353,044 km (0.118 R)
• M21: 13,565,086 km (0.098 R)
• M22: 13,704,511 km (0.12 R)
• M23: 17,099,635 km (0.089 R)
• M24: 20,737,107 km (0.071 R)
• M25: 22,442,224 km (0.101 R)
• M26: 25,382,420 km (0.106 R)
• M27: 28,683,597 km (0.066 R)
• M28: 29,493,071 km (0.109 R)
• M29: 30,555,963 km (0.052 R)
• M30: 43,981,325 km (0.102 R)
• M31: 45,835,441 km (0.112 R)
• M32: 62,965,744 km (0.093 R)
• M33: 63,548,278 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.3

Radius: 5

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.91 AU - 10.19 AU

Year: 20371 Days

Day: 24.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,775,278 km

• M1: 62,233 km (0.107 R)
• M2: 315,951 km (0.102 R)
• M3: 487,539 km (0.034 R)
• M4: 1,334,263 km (0.113 R)
• M5: 2,552,439 km (0.108 R)
• M6: 4,789,974 km (0.097 R)
• M7: 7,052,642 km (0.086 R)
• M8: 7,240,687 km (0.072 R)
• M9: 7,925,546 km (0.043 R)
• M10: 9,708,902 km (0.111 R)
• M11: 11,875,229 km (0.054 R)
• M12: 16,467,135 km (0.113 R)
• M13: 19,704,433 km (0.064 R)
• M14: 21,619,435 km (0.09 R)
• M15: 31,400,892 km (0.108 R)
• M16: 39,931,412 km (0.053 R)
• M17: 56,547,098 km (0.094 R)
• M18: 73,151,713 km (0.098 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: 157 - 18,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit