🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 8.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.6 AU - 0.76 AU

Year: 362 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,543,760 km

• M1: 106,962 km (0.119 R)
• M2: 693,237 km (0.093 R)
• M3: 1,003,353 km (0.073 R)
• M4: 1,363,585 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 11.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.27 AU - 1.49 AU

Year: 1047 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,543,760 km

• M1: 140,472 km (0.066 R)
• M2: 639,232 km (0.113 R)
• M3: 2,211,057 km (0.103 R)
• M4: 2,739,885 km (0.103 R)
• M5: 3,209,622 km (0.043 R)
• M6: 3,614,285 km (0.119 R)
• M7: 4,027,773 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 8.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.39 AU - 2.13 AU

Year: 1508 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,543,760 km

• M1: 109,506 km (0.04 R)
• M2: 467,942 km (0.102 R)
• M3: 784,940 km (0.096 R)
• M4: 1,177,485 km (0.116 R)
• M5: 1,848,581 km (0.084 R)
• M6: 2,332,081 km (0.109 R)
• M7: 2,950,818 km (0.109 R)
• M8: 4,769,031 km (0.047 R)
• M9: 5,310,575 km (0.041 R)
• M10: 5,596,456 km (0.077 R)
• M11: 6,916,358 km (0.104 R)
• M12: 7,895,776 km (0.114 R)
• M13: 8,738,012 km (0.087 R)
• M14: 10,568,641 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 8.4

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.56 AU - 2.4 AU

Year: 1799 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,543,760 km

• M1: 104,719 km (0.064 R)
• M2: 387,458 km (0.098 R)
• M3: 865,872 km (0.096 R)
• M4: 1,420,282 km (0.105 R)
• M5: 2,157,800 km (0.063 R)
• M6: 3,037,435 km (0.104 R)
• M7: 3,516,448 km (0.119 R)
• M8: 4,348,062 km (0.107 R)
• M9: 4,666,257 km (0.052 R)
• M10: 4,978,617 km (0.097 R)
• M11: 5,461,968 km (0.079 R)
• M12: 5,904,329 km (0.114 R)
• M13: 7,376,222 km (0.092 R)
• M14: 7,657,616 km (0.116 R)
• M15: 8,856,044 km (0.106 R)
• M16: 9,401,478 km (0.052 R)
• M17: 9,867,326 km (0.119 R)
• M18: 10,174,899 km (0.098 R)
• M19: 11,173,016 km (0.076 R)
• M20: 11,924,895 km (0.08 R)
• M21: 13,033,565 km (0.092 R)
• M22: 13,739,368 km (0.058 R)
• M23: 14,646,230 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 14.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.54 AU - 5.2 AU

Year: 5898 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,543,760 km

• M1: 178,021 km (0.091 R)
• M2: 782,247 km (0.111 R)
• M3: 1,506,899 km (0.114 R)
• M4: 2,426,029 km (0.104 R)
• M5: 3,042,970 km (0.036 R)
• M6: 3,930,385 km (0.088 R)
• M7: 4,677,177 km (0.111 R)
• M8: 6,592,778 km (0.067 R)
• M9: 7,765,326 km (0.099 R)
• M10: 8,859,336 km (0.041 R)
• M11: 11,203,235 km (0.064 R)
• M12: 11,758,542 km (0.056 R)
• M13: 12,870,054 km (0.085 R)
• M14: 14,108,426 km (0.101 R)
• M15: 14,997,336 km (0.088 R)
• M16: 15,860,366 km (0.048 R)
• M17: 17,349,912 km (0.088 R)
• M18: 17,957,429 km (0.103 R)
• M19: 21,211,332 km (0.089 R)
• M20: 23,999,986 km (0.117 R)
• M21: 25,438,968 km (0.087 R)
• M22: 27,385,985 km (0.083 R)
• M23: 31,574,725 km (0.084 R)
• M24: 35,090,873 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.4

Radius: 4.4

Gravity: 43.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.16 AU - 8 AU

Year: 12164 Days

Day: 20.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,543,760 km

• M1: 54,753 km (0.086 R)
• M2: 218,114 km (0.052 R)
• M3: 500,255 km (0.074 R)
• M4: 830,567 km (0.107 R)
• M5: 1,055,563 km (0.094 R)
• M6: 1,320,351 km (0.107 R)
• M7: 1,612,515 km (0.084 R)
• M8: 1,807,741 km (0.101 R)
• M9: 1,964,370 km (0.085 R)
• M10: 2,129,974 km (0.067 R)
• M11: 2,618,112 km (0.062 R)
• M12: 3,277,839 km (0.056 R)
• M13: 3,840,626 km (0.081 R)
• M14: 5,121,184 km (0.106 R)
• M15: 6,910,973 km (0.07 R)
• M16: 7,208,972 km (0.088 R)
• M17: 7,968,480 km (0.105 R)
• M18: 8,296,249 km (0.076 R)
• M19: 8,878,933 km (0.038 R)
• M20: 9,333,561 km (0.115 R)
• M21: 10,234,290 km (0.039 R)
• M22: 14,906,081 km (0.117 R)
• M23: 16,733,120 km (0.095 R)
• M24: 17,977,625 km (0.057 R)
• M25: 18,137,395 km (0.099 R)
• M26: 18,298,213 km (0.12 R)
• M27: 20,388,395 km (0.092 R)
• M28: 22,912,260 km (0.095 R)
• M29: 25,738,014 km (0.087 R)
• M30: 26,247,545 km (0.075 R)
• M31: 26,972,346 km (0.113 R)
• M32: 30,455,434 km (0.063 R)
• M33: 34,719,272 km (0.084 R)
• M34: 38,962,017 km (0.084 R)
• M35: 40,724,131 km (0.109 R)
• M36: 43,107,674 km (0.056 R)
• M37: 49,862,317 km (0.078 R)
• M38: 58,157,070 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.4

Radius: 5

Gravity: 38.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.08 AU - 8.62 AU

Year: 14201 Days

Day: 20.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,543,760 km

• M1: 64,327 km (0.063 R)
• M2: 251,324 km (0.114 R)
• M3: 449,242 km (0.057 R)
• M4: 1,194,389 km (0.08 R)
• M5: 1,830,031 km (0.085 R)
• M6: 2,053,081 km (0.092 R)
• M7: 2,252,794 km (0.085 R)
• M8: 2,785,363 km (0.084 R)
• M9: 3,508,070 km (0.059 R)
• M10: 3,853,492 km (0.081 R)
• M11: 4,990,735 km (0.103 R)
• M12: 5,169,654 km (0.037 R)
• M13: 6,048,840 km (0.048 R)
• M14: 6,376,908 km (0.094 R)
• M15: 9,333,411 km (0.094 R)
• M16: 9,550,627 km (0.059 R)
• M17: 10,453,750 km (0.082 R)
• M18: 13,572,117 km (0.107 R)
• M19: 14,565,447 km (0.077 R)
• M20: 15,005,714 km (0.091 R)
• M21: 15,379,259 km (0.112 R)
• M22: 15,835,683 km (0.116 R)
• M23: 16,222,842 km (0.096 R)
• M24: 23,307,647 km (0.067 R)
• M25: 26,205,957 km (0.088 R)
• M26: 31,962,632 km (0.047 R)
• M27: 35,264,556 km (0.118 R)
• M28: 36,057,575 km (0.117 R)
• M29: 38,926,862 km (0.056 R)
• M30: 39,207,807 km (0.096 R)
• M31: 40,922,049 km (0.078 R)
• M32: 42,240,006 km (0.086 R)
• M33: 46,996,021 km (0.068 R)
• M34: 47,155,194 km (0.086 R)
• M35: 47,634,655 km (0.061 R)
• M36: 53,817,834 km (0.066 R)
• M37: 62,608,055 km (0.083 R)
• M38: 64,945,971 km (0.097 R)
• M39: 65,937,057 km (0.067 R)
• M40: 66,938,315 km (0.113 R)
• M41: 67,543,738 km (0.119 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: 239 - 10,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit