🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 8.3

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.13 AU - 1.45 AU

Year: 994 Days

Day: 11.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,082,545 km

• M1: 103,223 km (0.088 R)
• M2: 478,863 km (0.079 R)
• M3: 1,098,647 km (0.115 R)
• M4: 1,513,182 km (0.085 R)
• M5: 2,113,369 km (0.118 R)
• M6: 2,392,220 km (0.071 R)
• M7: 2,824,258 km (0.079 R)
• M8: 3,263,926 km (0.111 R)
• M9: 3,844,665 km (0.118 R)
• M10: 4,385,611 km (0.052 R)
• M11: 4,899,779 km (0.088 R)
• M12: 5,191,345 km (0.102 R)
• M13: 5,515,075 km (0.109 R)
• M14: 6,248,254 km (0.075 R)
• M15: 6,591,731 km (0.08 R)
• M16: 7,241,734 km (0.089 R)
• M17: 7,698,306 km (0.044 R)
• M18: 9,360,189 km (0.12 R)
• M19: 10,118,501 km (0.051 R)
• M20: 10,754,292 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 8.5

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.76 AU - 2.48 AU

Year: 2094 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,082,545 km

• M1: 114,293 km (0.041 R)
• M2: 444,904 km (0.104 R)
• M3: 878,140 km (0.088 R)
• M4: 1,457,831 km (0.094 R)
• M5: 1,827,637 km (0.075 R)
• M6: 2,167,823 km (0.097 R)
• M7: 2,819,321 km (0.043 R)
• M8: 3,380,313 km (0.061 R)
• M9: 4,053,205 km (0.119 R)
• M10: 4,636,188 km (0.107 R)
• M11: 5,273,774 km (0.025 R)
• M12: 5,917,045 km (0.092 R)
• M13: 6,257,829 km (0.091 R)
• M14: 6,751,202 km (0.068 R)
• M15: 8,066,916 km (0.029 R)
• M16: 9,581,145 km (0.116 R)
• M17: 9,941,826 km (0.108 R)
• M18: 10,461,977 km (0.04 R)
• M19: 10,844,649 km (0.091 R)
• M20: 11,678,507 km (0.104 R)
• M21: 12,090,350 km (0.087 R)
• M22: 18,088,627 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 12.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.4 AU - 2.44 AU

Year: 2553 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,082,545 km

• M1: 156,629 km (0.119 R)
• M2: 701,764 km (0.096 R)
• M3: 1,111,063 km (0.059 R)
• M4: 1,509,443 km (0.102 R)
• M5: 2,233,047 km (0.064 R)
• M6: 2,729,862 km (0.078 R)
• M7: 3,861,121 km (0.098 R)
• M8: 4,389,202 km (0.093 R)
• M9: 4,781,298 km (0.118 R)
• M10: 7,903,405 km (0.067 R)
• M11: 8,308,666 km (0.053 R)
• M12: 11,437,655 km (0.066 R)
• M13: 12,531,365 km (0.109 R)
• M14: 13,244,647 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 14

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.93 AU - 4.07 AU

Year: 5426 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 148.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,082,545 km

• M1: 209,437 km (0.092 R)
• M2: 903,422 km (0.06 R)
• M3: 1,406,220 km (0.114 R)
• M4: 2,864,500 km (0.116 R)
• M5: 3,303,719 km (0.095 R)
• M6: 3,766,126 km (0.101 R)
• M7: 4,296,002 km (0.066 R)
• M8: 5,226,052 km (0.057 R)
• M9: 5,710,001 km (0.04 R)
• M10: 6,573,031 km (0.094 R)
• M11: 7,881,265 km (0.096 R)
• M12: 8,832,557 km (0.073 R)
• M13: 9,605,679 km (0.047 R)
• M14: 11,147,734 km (0.114 R)
• M15: 12,396,278 km (0.106 R)
• M16: 13,105,970 km (0.115 R)
• M17: 15,341,860 km (0.108 R)
• M18: 17,008,081 km (0.095 R)
• M19: 17,694,586 km (0.106 R)
• M20: 18,205,462 km (0.102 R)
• M21: 19,391,175 km (0.051 R)
• M22: 21,265,337 km (0.037 R)
• M23: 27,355,317 km (0.036 R)
• M24: 28,997,902 km (0.103 R)
• M25: 29,798,549 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.99 AU - 4.89 AU

Year: 6345 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,082,545 km

• M1: 187,596 km (0.059 R)
• M2: 695,780 km (0.096 R)
• M3: 1,313,320 km (0.111 R)
• M4: 2,736,145 km (0.108 R)
• M5: 3,285,468 km (0.087 R)
• M6: 3,868,601 km (0.081 R)
• M7: 4,345,669 km (0.036 R)
• M8: 5,939,335 km (0.109 R)
• M9: 7,323,863 km (0.088 R)
• M10: 8,092,646 km (0.051 R)
• M11: 8,843,927 km (0.093 R)
• M12: 10,019,617 km (0.081 R)
• M13: 10,846,294 km (0.056 R)
• M14: 12,105,759 km (0.078 R)
• M15: 13,135,890 km (0.112 R)
• M16: 14,369,923 km (0.106 R)
• M17: 16,578,586 km (0.062 R)
• M18: 17,511,328 km (0.049 R)
• M19: 18,770,194 km (0.11 R)
• M20: 19,242,625 km (0.094 R)
• M21: 20,396,622 km (0.117 R)
• M22: 21,339,837 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 5.3

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.27 AU - 8.61 AU

Year: 15175 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,082,545 km

• M1: 69,862 km (0.118 R)
• M2: 395,238 km (0.081 R)
• M3: 738,864 km (0.107 R)
• M4: 987,795 km (0.095 R)
• M5: 1,210,097 km (0.103 R)
• M6: 1,622,688 km (0.081 R)
• M7: 1,791,135 km (0.053 R)
• M8: 2,793,740 km (0.036 R)
• M9: 4,604,772 km (0.052 R)
• M10: 5,412,301 km (0.086 R)
• M11: 6,147,425 km (0.117 R)
• M12: 8,101,921 km (0.09 R)
• M13: 10,321,056 km (0.105 R)
• M14: 10,667,974 km (0.106 R)
• M15: 19,872,880 km (0.095 R)
• M16: 22,946,069 km (0.075 R)
• M17: 23,536,981 km (0.105 R)
• M18: 24,239,044 km (0.11 R)
• M19: 28,861,020 km (0.097 R)
• M20: 30,131,255 km (0.114 R)
• M21: 33,783,986 km (0.067 R)
• M22: 45,097,924 km (0.119 R)
• M23: 46,648,805 km (0.081 R)
• M24: 47,914,852 km (0.069 R)
• M25: 48,234,841 km (0.041 R)
• M26: 59,245,843 km (0.036 R)
• M27: 60,356,607 km (0.103 R)
• M28: 61,670,077 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.7

Radius: 3

Gravity: 71.41 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.39 AU - 9.57 AU

Year: 18252 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,082,545 km

• M1: 37,250 km (0.109 R)
• M2: 158,275 km (0.059 R)
• M3: 264,339 km (0.1 R)
• M4: 439,070 km (0.058 R)
• M5: 1,212,491 km (0.115 R)
• M6: 1,326,185 km (0.076 R)
• M7: 2,839,218 km (0.101 R)
• M8: 3,672,329 km (0.042 R)
• M9: 4,420,019 km (0.06 R)
• M10: 4,587,718 km (0.061 R)
• M11: 6,209,808 km (0.036 R)
• M12: 6,420,142 km (0.119 R)
• M13: 9,716,681 km (0.067 R)
• M14: 10,173,104 km (0.068 R)
• M15: 10,944,879 km (0.114 R)
• M16: 12,470,628 km (0.056 R)
• M17: 21,771,577 km (0.111 R)
• M18: 22,748,899 km (0.102 R)
• M19: 26,840,551 km (0.116 R)
• M20: 29,351,850 km (0.096 R)
• M21: 34,050,420 km (0.111 R)
• M22: 46,162,313 km (0.114 R)
• M23: 46,321,485 km (0.094 R)
• M24: 48,425,130 km (0.098 R)
• M25: 52,995,644 km (0.082 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: 367 - 10,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit