🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.66 AU - 0.66 AU

Year: 346 Days

Day: 18.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,621,937 km

• M1: 15,558 km (0.067 R)

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.43 AU - 1.91 AU

Year: 1393 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,621,937 km

• M1: 112,198 km (0.094 R)
• M2: 446,400 km (0.104 R)
• M3: 744,399 km (0.078 R)
• M4: 1,026,391 km (0.105 R)
• M5: 1,388,867 km (0.073 R)
• M6: 2,041,562 km (0.108 R)
• M7: 2,752,152 km (0.071 R)
• M8: 3,749,970 km (0.092 R)
• M9: 4,405,358 km (0.081 R)
• M10: 4,691,389 km (0.093 R)
• M11: 5,319,999 km (0.094 R)
• M12: 6,483,871 km (0.085 R)
• M13: 8,305,973 km (0.045 R)
• M14: 8,929,347 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 11.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.39 AU - 3.11 AU

Year: 2945 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,621,937 km

• M1: 138,079 km (0.09 R)
• M2: 499,208 km (0.108 R)
• M3: 855,999 km (0.091 R)
• M4: 1,791,285 km (0.112 R)
• M5: 2,331,632 km (0.113 R)
• M6: 2,899,506 km (0.096 R)
• M7: 5,506,997 km (0.105 R)
• M8: 7,228,120 km (0.119 R)
• M9: 7,740,044 km (0.086 R)
• M10: 8,179,862 km (0.116 R)
• M11: 9,493,331 km (0.075 R)
• M12: 11,456,953 km (0.116 R)
• M13: 13,274,417 km (0.032 R)
• M14: 13,723,211 km (0.063 R)
• M15: 15,869,641 km (0.118 R)
• M16: 16,632,291 km (0.052 R)
• M17: 17,794,966 km (0.053 R)
• M18: 18,618,203 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 8.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.57 AU - 3.15 AU

Year: 3123 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,621,937 km

• M1: 108,159 km (0.084 R)
• M2: 405,560 km (0.113 R)
• M3: 687,701 km (0.069 R)
• M4: 1,525,898 km (0.092 R)
• M5: 1,908,869 km (0.096 R)
• M6: 2,329,388 km (0.119 R)
• M7: 3,067,654 km (0.048 R)
• M8: 3,629,544 km (0.118 R)
• M9: 3,953,722 km (0.107 R)
• M10: 5,827,735 km (0.079 R)
• M11: 6,172,857 km (0.109 R)
• M12: 6,769,453 km (0.111 R)
• M13: 7,721,045 km (0.053 R)
• M14: 9,081,488 km (0.112 R)
• M15: 9,818,707 km (0.118 R)
• M16: 10,131,516 km (0.069 R)
• M17: 10,667,824 km (0.081 R)
• M18: 13,296,857 km (0.116 R)
• M19: 14,379,796 km (0.089 R)
• M20: 14,693,204 km (0.103 R)
• M21: 15,473,506 km (0.109 R)
• M22: 15,755,498 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 9.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.12 AU - 5.8 AU

Year: 7132 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,621,937 km

• M1: 114,442 km (0.098 R)
• M2: 513,869 km (0.111 R)
• M3: 1,164,619 km (0.055 R)
• M4: 1,615,956 km (0.04 R)
• M5: 3,008,413 km (0.093 R)
• M6: 3,393,179 km (0.066 R)
• M7: 4,790,722 km (0.085 R)
• M8: 6,883,746 km (0.099 R)
• M9: 13,698,527 km (0.06 R)
• M10: 15,216,497 km (0.054 R)
• M11: 16,064,119 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.7

Radius: 7.2

Gravity: 16.41 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.91 AU - 10.35 AU

Year: 20818 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 33,621,937 km

• M1: 89,609 km (0.087 R)
• M2: 480,359 km (0.094 R)
• M3: 801,845 km (0.079 R)
• M4: 1,058,106 km (0.062 R)
• M5: 1,354,010 km (0.066 R)
• M6: 2,565,155 km (0.113 R)
• M7: 3,216,055 km (0.036 R)
• M8: 9,369,464 km (0.103 R)
• M9: 11,220,439 km (0.103 R)
• M10: 12,938,869 km (0.065 R)
• M11: 14,825,598 km (0.107 R)
• M12: 19,418,103 km (0.078 R)
• M13: 22,293,224 km (0.066 R)
• M14: 22,815,919 km (0.113 R)
• M15: 26,707,259 km (0.099 R)
• M16: 27,178,343 km (0.119 R)
• M17: 28,994,461 km (0.091 R)
• M18: 29,743,049 km (0.105 R)
• M19: 30,376,745 km (0.031 R)
• M20: 31,278,820 km (0.066 R)
• M21: 31,934,059 km (0.109 R)
• M22: 38,248,585 km (0.095 R)
• M23: 42,570,468 km (0.041 R)
• M24: 46,864,974 km (0.064 R)
• M25: 47,378,394 km (0.071 R)
• M26: 48,242,321 km (0.107 R)
• M27: 51,986,008 km (0.085 R)
• M28: 52,352,224 km (0.077 R)
• M29: 52,720,384 km (0.087 R)
• M30: 56,110,721 km (0.109 R)
• M31: 57,467,723 km (0.109 R)
• M32: 61,260,627 km (0.112 R)
• M33: 62,079,825 km (0.066 R)
• M34: 64,159,834 km (0.108 R)
• M35: 72,487,947 km (0.093 R)
• M36: 82,499,187 km (0.079 R)
• M37: 84,000,401 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.3

Radius: 5.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.39 AU - 13.93 AU

Year: 24072 Days

Day: 21.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,621,937 km

• M1: 69,713 km (0.096 R)
• M2: 359,633 km (0.119 R)
• M3: 622,776 km (0.108 R)
• M4: 1,634,955 km (0.111 R)
• M5: 1,853,667 km (0.058 R)
• M6: 2,163,933 km (0.047 R)
• M7: 2,568,745 km (0.047 R)
• M8: 3,138,414 km (0.111 R)
• M9: 6,201,729 km (0.111 R)
• M10: 7,986,731 km (0.08 R)
• M11: 8,344,420 km (0.085 R)
• M12: 8,853,800 km (0.11 R)
• M13: 14,147,471 km (0.113 R)
• M14: 16,750,922 km (0.113 R)
• M15: 17,042,339 km (0.059 R)
• M16: 19,098,263 km (0.069 R)
• M17: 23,786,660 km (0.117 R)
• M18: 24,526,720 km (0.084 R)
• M19: 26,444,116 km (0.075 R)
• M20: 30,250,634 km (0.071 R)
• M21: 34,056,404 km (0.09 R)
• M22: 34,524,047 km (0.104 R)
• M23: 34,877,696 km (0.086 R)
• M24: 43,144,325 km (0.118 R)
• M25: 43,829,483 km (0.1 R)
• M26: 48,534,636 km (0.114 R)
• M27: 49,574,191 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.3

Radius: 3.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 10.03 AU - 12.57 AU

Year: 24526 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,621,937 km

• M1: 42,336 km (0.04 R)
• M2: 219,161 km (0.03 R)
• M3: 450,888 km (0.09 R)
• M4: 1,784,852 km (0.114 R)
• M5: 1,928,915 km (0.101 R)
• M6: 2,583,854 km (0.092 R)
• M7: 8,201,105 km (0.094 R)
• M8: 16,224,039 km (0.11 R)
• M9: 16,348,205 km (0.102 R)
• M10: 16,661,313 km (0.09 R)
• M11: 17,042,339 km (0.062 R)
• M12: 22,078,402 km (0.075 R)
• M13: 26,361,239 km (0.093 R)
• M14: 30,406,066 km (0.08 R)
• M15: 33,621,972 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 18,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit