🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 13.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 295 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,727,119 km

• M1: 167,849 km (0.028 R)
• M2: 670,348 km (0.068 R)
• M3: 1,161,029 km (0.111 R)
• M4: 1,603,540 km (0.108 R)
• M5: 2,417,801 km (0.093 R)
• M6: 3,071,394 km (0.058 R)
• M7: 3,535,446 km (0.116 R)
• M8: 3,976,910 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.3

Radius: 12.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 610 Days

Day: 5.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,727,119 km

• M1: 154,385 km (0.051 R)
• M2: 603,627 km (0.107 R)
• M3: 1,002,904 km (0.046 R)
• M4: 1,465,461 km (0.08 R)
• M5: 1,888,524 km (0.054 R)
• M6: 2,454,452 km (0.081 R)
• M7: 3,216,953 km (0.06 R)
• M8: 4,220,306 km (0.112 R)
• M9: 4,992,679 km (0.077 R)
• M10: 6,102,696 km (0.108 R)
• M11: 6,860,259 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 14.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.34 AU - 1.8 AU

Year: 1383 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,727,119 km

• M1: 181,612 km (0.12 R)
• M2: 650,003 km (0.114 R)
• M3: 1,104,930 km (0.078 R)
• M4: 1,896,751 km (0.059 R)
• M5: 2,728,516 km (0.083 R)
• M6: 3,297,885 km (0.099 R)
• M7: 3,946,392 km (0.077 R)
• M8: 4,544,634 km (0.092 R)
• M9: 5,058,203 km (0.104 R)
• M10: 5,544,845 km (0.117 R)
• M11: 6,369,728 km (0.092 R)
• M12: 7,731,966 km (0.096 R)
• M13: 8,380,323 km (0.033 R)
• M14: 9,034,365 km (0.078 R)
• M15: 9,594,609 km (0.117 R)
• M16: 11,704,687 km (0.054 R)
• M17: 12,714,173 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 13.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.04 AU - 3.18 AU

Year: 2964 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,727,119 km

• M1: 202,107 km (0.11 R)
• M2: 798,254 km (0.085 R)
• M3: 1,284,597 km (0.102 R)
• M4: 2,132,817 km (0.096 R)
• M5: 4,191,134 km (0.096 R)
• M6: 5,444,914 km (0.077 R)
• M7: 6,056,919 km (0.075 R)
• M8: 6,545,655 km (0.084 R)
• M9: 9,583,389 km (0.07 R)
• M10: 10,152,310 km (0.082 R)
• M11: 11,358,069 km (0.091 R)
• M12: 11,816,137 km (0.106 R)
• M13: 12,286,772 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 13.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.24 AU - 4.5 AU

Year: 6421 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 80.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,727,119 km

• M1: 171,738 km (0.109 R)
• M2: 620,981 km (0.069 R)
• M3: 1,264,850 km (0.066 R)
• M4: 1,803,402 km (0.068 R)
• M5: 3,003,476 km (0.044 R)
• M6: 3,885,206 km (0.12 R)
• M7: 5,312,071 km (0.055 R)
• M8: 5,901,038 km (0.04 R)
• M9: 6,848,441 km (0.12 R)
• M10: 7,778,042 km (0.081 R)
• M11: 8,415,927 km (0.087 R)
• M12: 11,125,145 km (0.106 R)
• M13: 11,678,507 km (0.103 R)
• M14: 13,060,044 km (0.12 R)
• M15: 14,312,028 km (0.12 R)
• M16: 16,856,688 km (0.095 R)
• M17: 18,548,790 km (0.098 R)
• M18: 21,720,115 km (0.098 R)
• M19: 23,393,367 km (0.064 R)
• M20: 24,471,369 km (0.067 R)
• M21: 27,812,488 km (0.1 R)
• M22: 29,687,997 km (0.079 R)
• M23: 32,657,365 km (0.026 R)
• M24: 34,108,614 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 3.9

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.67 AU - 6.79 AU

Year: 10931 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,727,119 km

• M1: 50,115 km (0.097 R)
• M2: 187,297 km (0.077 R)
• M3: 332,706 km (0.099 R)
• M4: 548,426 km (0.111 R)
• M5: 925,562 km (0.093 R)
• M6: 1,368,222 km (0.087 R)
• M7: 1,671,607 km (0.071 R)
• M8: 1,970,653 km (0.09 R)
• M9: 2,466,121 km (0.083 R)
• M10: 2,654,913 km (0.115 R)
• M11: 2,956,204 km (0.104 R)
• M12: 3,082,913 km (0.044 R)
• M13: 4,022,687 km (0.066 R)
• M14: 6,769,453 km (0.068 R)
• M15: 6,953,010 km (0.105 R)
• M16: 7,881,115 km (0.105 R)
• M17: 9,109,014 km (0.025 R)
• M18: 11,883,756 km (0.045 R)
• M19: 12,864,968 km (0.118 R)
• M20: 13,033,565 km (0.065 R)
• M21: 15,362,205 km (0.103 R)
• M22: 19,984,480 km (0.065 R)
• M23: 23,728,466 km (0.105 R)
• M24: 25,719,913 km (0.092 R)
• M25: 29,541,540 km (0.105 R)
• M26: 30,229,691 km (0.111 R)
• M27: 33,089,254 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.8

Radius: 3.7

Gravity: 34.1 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.64 AU - 7.76 AU

Year: 13580 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,727,119 km

• M1: 46,226 km (0.056 R)
• M2: 190,887 km (0.038 R)
• M3: 545,434 km (0.093 R)
• M4: 742,753 km (0.093 R)
• M5: 1,526,796 km (0.038 R)
• M6: 1,869,674 km (0.1 R)
• M7: 3,660,361 km (0.106 R)
• M8: 4,786,982 km (0.1 R)
• M9: 4,978,617 km (0.094 R)
• M10: 5,142,277 km (0.104 R)
• M11: 5,978,529 km (0.053 R)
• M12: 6,545,056 km (0.101 R)
• M13: 8,093,843 km (0.059 R)
• M14: 8,412,038 km (0.091 R)
• M15: 9,170,798 km (0.072 R)
• M16: 11,042,567 km (0.118 R)
• M17: 11,661,603 km (0.12 R)
• M18: 13,092,207 km (0.064 R)
• M19: 13,849,472 km (0.049 R)
• M20: 16,512,164 km (0.107 R)
• M21: 18,621,494 km (0.078 R)
• M22: 20,068,405 km (0.057 R)
• M23: 20,650,640 km (0.084 R)
• M24: 25,430,142 km (0.113 R)
• M25: 29,065,819 km (0.101 R)
• M26: 29,596,592 km (0.068 R)
• M27: 34,078,245 km (0.113 R)
• M28: 34,787,190 km (0.101 R)
• M29: 35,626,733 km (0.118 R)
• M30: 39,507,152 km (0.103 R)
• M31: 40,420,896 km (0.081 R)
• M32: 41,215,111 km (0.065 R)
• M33: 43,108,721 km (0.082 R)
• M34: 43,521,761 km (0.044 R)
• M35: 43,660,139 km (0.039 R)
• M36: 44,076,769 km (0.067 R)
• M37: 46,922,868 km (0.104 R)
• M38: 50,649,351 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 14,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit