🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 10.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.28 AU - 1.5 AU

Year: 1112 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,536,388 km

• M1: 135,835 km (0.105 R)
• M2: 573,409 km (0.119 R)
• M3: 1,224,309 km (0.088 R)
• M4: 1,702,573 km (0.058 R)
• M5: 2,188,018 km (0.117 R)
• M6: 2,912,222 km (0.091 R)
• M7: 3,720,349 km (0.067 R)
• M8: 5,522,555 km (0.094 R)
• M9: 5,909,415 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 8.9

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.18 AU - 1.8 AU

Year: 1234 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,536,388 km

• M1: 110,702 km (0.117 R)
• M2: 390,301 km (0.093 R)
• M3: 671,246 km (0.049 R)
• M4: 1,051,075 km (0.103 R)
• M5: 1,376,300 km (0.1 R)
• M6: 1,722,919 km (0.114 R)
• M7: 3,460,049 km (0.095 R)
• M8: 4,024,931 km (0.102 R)
• M9: 4,577,695 km (0.076 R)
• M10: 5,005,395 km (0.113 R)
• M11: 5,419,183 km (0.096 R)
• M12: 5,919,737 km (0.065 R)
• M13: 6,292,834 km (0.089 R)
• M14: 7,892,036 km (0.116 R)
• M15: 9,359,740 km (0.114 R)
• M16: 9,655,795 km (0.091 R)
• M17: 9,958,132 km (0.12 R)
• M18: 10,360,700 km (0.073 R)
• M19: 10,709,712 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 8.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.07 AU - 2.31 AU

Year: 2198 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,536,388 km

• M1: 112,498 km (0.094 R)
• M2: 525,238 km (0.07 R)
• M3: 954,285 km (0.102 R)
• M4: 1,258,417 km (0.067 R)
• M5: 1,731,745 km (0.112 R)
• M6: 2,230,055 km (0.081 R)
• M7: 3,927,991 km (0.112 R)
• M8: 5,324,039 km (0.08 R)
• M9: 7,983,290 km (0.073 R)
• M10: 9,530,132 km (0.027 R)
• M11: 11,001,727 km (0.106 R)
• M12: 11,654,273 km (0.076 R)
• M13: 12,826,521 km (0.096 R)
• M14: 13,767,043 km (0.116 R)
• M15: 15,122,699 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 11.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.71 AU - 3.89 AU

Year: 4066 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,536,388 km

• M1: 138,228 km (0.112 R)
• M2: 498,011 km (0.075 R)
• M3: 986,299 km (0.043 R)
• M4: 1,421,030 km (0.087 R)
• M5: 2,073,726 km (0.104 R)
• M6: 2,883,649 km (0.069 R)
• M7: 4,037,048 km (0.12 R)
• M8: 4,423,759 km (0.118 R)
• M9: 7,044,713 km (0.093 R)
• M10: 7,966,535 km (0.116 R)
• M11: 11,941,500 km (0.109 R)
• M12: 16,204,292 km (0.093 R)
• M13: 20,434,321 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 12.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.89 AU - 4.27 AU

Year: 5590 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,536,388 km

• M1: 157,975 km (0.116 R)
• M2: 585,676 km (0.116 R)
• M3: 1,142,030 km (0.093 R)
• M4: 1,551,480 km (0.109 R)
• M5: 2,450,264 km (0.081 R)
• M6: 3,231,912 km (0.105 R)
• M7: 5,087,076 km (0.118 R)
• M8: 5,530,484 km (0.114 R)
• M9: 6,701,237 km (0.101 R)
• M10: 7,271,952 km (0.089 R)
• M11: 8,070,207 km (0.109 R)
• M12: 8,968,243 km (0.116 R)
• M13: 9,529,534 km (0.109 R)
• M14: 12,429,937 km (0.099 R)
• M15: 13,627,319 km (0.076 R)
• M16: 15,688,628 km (0.077 R)
• M17: 16,697,067 km (0.027 R)
• M18: 19,478,391 km (0.113 R)
• M19: 21,016,406 km (0.091 R)
• M20: 21,853,706 km (0.065 R)
• M21: 23,271,744 km (0.028 R)
• M22: 24,666,295 km (0.114 R)
• M23: 26,729,100 km (0.081 R)
• M24: 30,418,932 km (0.087 R)
• M25: 31,687,821 km (0.093 R)
• M26: 32,890,139 km (0.112 R)
• M27: 34,122,526 km (0.113 R)
• M28: 35,706,169 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 13.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.9 AU - 4.36 AU

Year: 5693 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,536,388 km

• M1: 170,242 km (0.067 R)
• M2: 994,826 km (0.112 R)
• M3: 1,609,523 km (0.047 R)
• M4: 2,047,845 km (0.082 R)
• M5: 2,714,453 km (0.104 R)
• M6: 3,345,158 km (0.056 R)
• M7: 3,962,249 km (0.111 R)
• M8: 4,391,745 km (0.065 R)
• M9: 4,877,639 km (0.091 R)
• M10: 6,617,611 km (0.119 R)
• M11: 8,628,656 km (0.028 R)
• M12: 9,876,152 km (0.118 R)
• M13: 10,888,331 km (0.098 R)
• M14: 12,344,068 km (0.087 R)
• M15: 13,020,251 km (0.06 R)
• M16: 14,236,930 km (0.119 R)
• M17: 15,417,706 km (0.098 R)
• M18: 16,031,955 km (0.025 R)
• M19: 16,662,660 km (0.064 R)
• M20: 17,730,190 km (0.11 R)
• M21: 18,842,899 km (0.1 R)
• M22: 20,665,599 km (0.066 R)
• M23: 22,390,014 km (0.104 R)
• M24: 22,889,671 km (0.055 R)
• M25: 26,757,374 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.7

Radius: 3.2

Gravity: 74.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.95 AU - 11.09 AU

Year: 19923 Days

Day: 24.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,536,388 km

• M1: 40,391 km (0.093 R)
• M2: 269,575 km (0.119 R)
• M3: 726,746 km (0.117 R)
• M4: 911,201 km (0.066 R)
• M5: 1,085,931 km (0.086 R)
• M6: 1,691,952 km (0.084 R)
• M7: 3,467,230 km (0.098 R)
• M8: 6,375,412 km (0.114 R)
• M9: 6,508,405 km (0.091 R)
• M10: 8,730,681 km (0.106 R)
• M11: 10,040,859 km (0.066 R)
• M12: 11,607,448 km (0.077 R)
• M13: 12,691,285 km (0.072 R)
• M14: 13,043,289 km (0.075 R)
• M15: 15,372,827 km (0.032 R)
• M16: 18,950,759 km (0.089 R)
• M17: 29,006,578 km (0.106 R)
• M18: 29,127,902 km (0.101 R)
• M19: 29,739,907 km (0.057 R)
• M20: 30,610,866 km (0.056 R)
• M21: 32,143,496 km (0.066 R)
• M22: 35,498,976 km (0.118 R)
• M23: 37,332,747 km (0.105 R)
• M24: 40,729,965 km (0.09 R)
• M25: 41,187,735 km (0.085 R)
• M26: 41,803,330 km (0.059 R)
• M27: 46,951,292 km (0.053 R)
• M28: 50,374,091 km (0.086 R)
• M29: 58,095,884 km (0.096 R)
• M30: 58,481,996 km (0.111 R)
• M31: 59,847,227 km (0.105 R)
• M32: 70,221,091 km (0.108 R)
• M33: 73,551,887 km (0.156 R)
• M34: 77,452,353 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.3

Radius: 3.6

Gravity: 59.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.64 AU - 10 AU

Year: 20872 Days

Day: 18.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,536,388 km

• M1: 44,730 km (0.035 R)
• M2: 188,643 km (0.029 R)
• M3: 465,249 km (0.083 R)
• M4: 601,832 km (0.112 R)
• M5: 1,126,023 km (0.1 R)
• M6: 1,472,342 km (0.109 R)
• M7: 2,151,217 km (0.11 R)
• M8: 4,643,817 km (0.12 R)
• M9: 6,592,928 km (0.046 R)
• M10: 6,776,484 km (0.096 R)
• M11: 6,963,482 km (0.035 R)
• M12: 8,915,435 km (0.084 R)
• M13: 9,139,981 km (0.11 R)
• M14: 9,253,675 km (0.11 R)
• M15: 11,010,104 km (0.069 R)
• M16: 14,005,053 km (0.055 R)
• M17: 21,839,344 km (0.07 R)
• M18: 22,660,337 km (0.1 R)
• M19: 32,294,889 km (0.061 R)
• M20: 33,091,199 km (0.101 R)
• M21: 37,998,458 km (0.079 R)
• M22: 43,049,330 km (0.111 R)
• M23: 44,175,354 km (0.107 R)
• M24: 46,486,042 km (0.092 R)
• M25: 49,748,921 km (0.113 R)
• M26: 52,977,842 km (0.054 R)
• M27: 55,394,745 km (0.109 R)
• M28: 55,583,687 km (0.094 R)
• M29: 64,327,533 km (0.042 R)
• M30: 66,434,918 km (0.056 R)
• M31: 69,681,791 km (0.107 R)
• M32: 70,565,166 km (0.063 R)
• M33: 76,723,662 km (0.029 R)
• M34: 80,537,061 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156

Radius: 6.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.65 AU - 10.29 AU

Year: 21352 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,536,388 km

• M1: 89,908 km (0.09 R)
• M2: 559,945 km (0.074 R)
• M3: 3,179,703 km (0.057 R)
• M4: 3,491,913 km (0.109 R)
• M5: 6,544,308 km (0.052 R)
• M6: 10,234,439 km (0.093 R)
• M7: 19,319,368 km (0.066 R)
• M8: 25,451,235 km (0.099 R)
• M9: 35,169,263 km (0.111 R)
• M10: 38,555,111 km (0.092 R)
• M11: 43,085,084 km (0.107 R)
• M12: 48,246,211 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit