🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 11.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.22 AU

Year: 833 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,716,841 km

• M1: 140,622 km (0.119 R)
• M2: 523,892 km (0.063 R)
• M3: 923,916 km (0.065 R)
• M4: 1,441,824 km (0.106 R)
• M5: 2,304,854 km (0.109 R)
• M6: 2,858,067 km (0.047 R)
• M7: 3,427,287 km (0.109 R)
• M8: 3,992,169 km (0.119 R)
• M9: 4,464,300 km (0.098 R)
• M10: 5,251,932 km (0.1 R)
• M11: 5,639,541 km (0.106 R)
• M12: 6,342,351 km (0.111 R)
• M13: 7,553,645 km (0.05 R)
• M14: 7,948,135 km (0.07 R)
• M15: 8,967,495 km (0.088 R)
• M16: 9,722,964 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 11

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.17 AU - 3.39 AU

Year: 3258 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,716,841 km

• M1: 136,732 km (0.092 R)
• M2: 537,655 km (0.092 R)
• M3: 910,303 km (0.1 R)
• M4: 1,571,226 km (0.111 R)
• M5: 2,577,272 km (0.118 R)
• M6: 3,084,259 km (0.111 R)
• M7: 3,947,888 km (0.092 R)
• M8: 4,696,027 km (0.038 R)
• M9: 5,116,995 km (0.079 R)
• M10: 5,754,282 km (0.115 R)
• M11: 8,845,872 km (0.076 R)
• M12: 10,536,028 km (0.039 R)
• M13: 11,836,333 km (0.048 R)
• M14: 12,200,454 km (0.052 R)
• M15: 13,289,377 km (0.095 R)
• M16: 14,493,491 km (0.054 R)
• M17: 15,497,143 km (0.028 R)
• M18: 17,002,396 km (0.067 R)
• M19: 18,910,068 km (0.106 R)
• M20: 21,155,532 km (0.076 R)
• M21: 21,692,738 km (0.082 R)
• M22: 22,864,389 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 12.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.24 AU - 4.04 AU

Year: 4882 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,716,841 km

• M1: 154,235 km (0.112 R)
• M2: 560,394 km (0.046 R)
• M3: 1,066,034 km (0.094 R)
• M4: 1,550,881 km (0.053 R)
• M5: 2,292,288 km (0.076 R)
• M6: 3,187,482 km (0.115 R)
• M7: 4,132,342 km (0.11 R)
• M8: 5,083,485 km (0.112 R)
• M9: 5,821,751 km (0.058 R)
• M10: 6,925,933 km (0.063 R)
• M11: 7,448,927 km (0.084 R)
• M12: 7,965,189 km (0.071 R)
• M13: 8,678,920 km (0.076 R)
• M14: 9,178,278 km (0.102 R)
• M15: 10,195,394 km (0.104 R)
• M16: 10,873,372 km (0.084 R)
• M17: 12,723,149 km (0.077 R)
• M18: 14,624,538 km (0.103 R)
• M19: 19,162,440 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.8

Radius: 11.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.4 AU - 4.32 AU

Year: 5331 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,716,841 km

• M1: 145,559 km (0.077 R)
• M2: 532,419 km (0.084 R)
• M3: 919,429 km (0.113 R)
• M4: 1,334,263 km (0.101 R)
• M5: 1,834,668 km (0.082 R)
• M6: 2,278,525 km (0.113 R)
• M7: 2,684,833 km (0.077 R)
• M8: 3,872,790 km (0.088 R)
• M9: 4,255,611 km (0.093 R)
• M10: 4,637,534 km (0.057 R)
• M11: 5,239,366 km (0.118 R)
• M12: 5,679,184 km (0.047 R)
• M13: 6,271,592 km (0.112 R)
• M14: 8,377,630 km (0.099 R)
• M15: 9,699,028 km (0.12 R)
• M16: 11,935,068 km (0.083 R)
• M17: 12,961,160 km (0.104 R)
• M18: 13,823,741 km (0.086 R)
• M19: 14,552,282 km (0.052 R)
• M20: 17,855,852 km (0.055 R)
• M21: 18,923,532 km (0.056 R)
• M22: 19,751,856 km (0.066 R)
• M23: 20,532,308 km (0.099 R)
• M24: 21,406,857 km (0.076 R)
• M25: 22,079,000 km (0.058 R)
• M26: 22,919,591 km (0.084 R)
• M27: 27,884,744 km (0.109 R)
• M28: 31,855,071 km (0.103 R)
• M29: 33,026,872 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 12.7

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.02 AU - 4.8 AU

Year: 6510 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,716,841 km

• M1: 158,125 km (0.108 R)
• M2: 645,964 km (0.044 R)
• M3: 1,352,215 km (0.119 R)
• M4: 1,972,897 km (0.091 R)
• M5: 2,682,888 km (0.106 R)
• M6: 3,140,359 km (0.11 R)
• M7: 4,188,890 km (0.053 R)
• M8: 4,780,550 km (0.091 R)
• M9: 5,868,874 km (0.085 R)
• M10: 7,802,427 km (0.11 R)
• M11: 9,131,454 km (0.098 R)
• M12: 10,129,421 km (0.116 R)
• M13: 12,234,712 km (0.087 R)
• M14: 14,437,391 km (0.106 R)
• M15: 15,042,365 km (0.047 R)
• M16: 17,429,199 km (0.086 R)
• M17: 20,812,056 km (0.098 R)
• M18: 21,741,358 km (0.105 R)
• M19: 26,002,204 km (0.074 R)
• M20: 32,200,194 km (0.06 R)
• M21: 34,289,328 km (0.053 R)
• M22: 35,041,356 km (0.11 R)
• M23: 35,914,260 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 12.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.63 AU - 5.29 AU

Year: 7765 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,716,841 km

• M1: 173,982 km (0.09 R)
• M2: 758,611 km (0.087 R)
• M3: 2,058,616 km (0.041 R)
• M4: 2,497,088 km (0.088 R)
• M5: 3,029,656 km (0.112 R)
• M6: 3,495,504 km (0.119 R)
• M7: 4,345,220 km (0.084 R)
• M8: 5,029,780 km (0.037 R)
• M9: 6,751,053 km (0.053 R)
• M10: 7,287,361 km (0.111 R)
• M11: 8,509,875 km (0.074 R)
• M12: 11,280,278 km (0.115 R)
• M13: 13,213,531 km (0.118 R)
• M14: 14,145,077 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.5

Radius: 5.2

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.52 AU - 6.54 AU

Year: 9141 Days

Day: 18.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,716,841 km

• M1: 64,626 km (0.098 R)
• M2: 234,121 km (0.064 R)
• M3: 442,211 km (0.097 R)
• M4: 671,694 km (0.072 R)
• M5: 1,058,405 km (0.111 R)
• M6: 1,270,684 km (0.086 R)
• M7: 1,915,302 km (0.092 R)
• M8: 2,420,194 km (0.106 R)
• M9: 3,885,805 km (0.106 R)
• M10: 4,590,411 km (0.051 R)
• M11: 4,766,338 km (0.072 R)
• M12: 5,459,873 km (0.088 R)
• M13: 7,212,113 km (0.109 R)
• M14: 8,123,464 km (0.099 R)
• M15: 11,871,040 km (0.11 R)
• M16: 12,541,837 km (0.098 R)
• M17: 12,738,109 km (0.041 R)
• M18: 13,339,044 km (0.05 R)
• M19: 13,698,228 km (0.113 R)
• M20: 15,199,892 km (0.082 R)
• M21: 20,223,089 km (0.079 R)
• M22: 20,697,165 km (0.085 R)
• M23: 24,073,738 km (0.09 R)
• M24: 27,716,895 km (0.042 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit