🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 13.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.87 AU - 1.11 AU

Year: 668 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,296,647 km

• M1: 164,857 km (0.109 R)
• M2: 672,143 km (0.058 R)
• M3: 1,215,333 km (0.116 R)
• M4: 1,843,345 km (0.07 R)
• M5: 3,934,274 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 11.6

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.91 AU - 1.41 AU

Year: 847 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,296,647 km

• M1: 144,212 km (0.115 R)
• M2: 742,155 km (0.108 R)
• M3: 1,465,610 km (0.105 R)
• M4: 2,100,653 km (0.05 R)
• M5: 2,749,310 km (0.108 R)
• M6: 3,216,504 km (0.108 R)
• M7: 5,304,591 km (0.113 R)
• M8: 5,907,171 km (0.032 R)
• M9: 7,036,186 km (0.105 R)
• M10: 8,356,238 km (0.041 R)
• M11: 9,688,556 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.9

Radius: 13.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.4 AU - 1.48 AU

Year: 1172 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,296,647 km

• M1: 164,109 km (0.107 R)
• M2: 584,928 km (0.11 R)
• M3: 1,066,184 km (0.091 R)
• M4: 1,486,704 km (0.055 R)
• M5: 2,011,194 km (0.109 R)
• M6: 3,398,864 km (0.077 R)
• M7: 4,478,212 km (0.046 R)
• M8: 5,389,263 km (0.117 R)
• M9: 6,134,709 km (0.094 R)
• M10: 8,327,515 km (0.11 R)
• M11: 8,816,551 km (0.098 R)
• M12: 9,793,125 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 10.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.25 AU - 2.09 AU

Year: 1464 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,296,647 km

• M1: 129,701 km (0.115 R)
• M2: 560,244 km (0.07 R)
• M3: 934,538 km (0.119 R)
• M4: 2,025,555 km (0.09 R)
• M5: 2,724,177 km (0.04 R)
• M6: 3,239,243 km (0.078 R)
• M7: 3,760,442 km (0.066 R)
• M8: 4,953,634 km (0.099 R)
• M9: 5,533,326 km (0.098 R)
• M10: 8,541,141 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 8.2

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.46 AU - 1.96 AU

Year: 1517 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,296,647 km

• M1: 102,475 km (0.102 R)
• M2: 406,906 km (0.097 R)
• M3: 666,010 km (0.046 R)
• M4: 946,655 km (0.116 R)
• M5: 1,639,892 km (0.052 R)
• M6: 2,016,729 km (0.107 R)
• M7: 2,676,456 km (0.107 R)
• M8: 3,605,309 km (0.066 R)
• M9: 4,042,882 km (0.066 R)
• M10: 5,987,954 km (0.104 R)
• M11: 6,253,191 km (0.031 R)
• M12: 6,730,109 km (0.101 R)
• M13: 6,990,708 km (0.035 R)
• M14: 7,615,728 km (0.079 R)
• M15: 8,336,790 km (0.09 R)
• M16: 8,668,149 km (0.118 R)
• M17: 9,039,601 km (0.047 R)
• M18: 9,781,457 km (0.094 R)
• M19: 10,493,543 km (0.09 R)
• M20: 14,025,698 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.5

Radius: 9.8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.61 AU - 2.95 AU

Year: 3144 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,296,647 km

• M1: 121,922 km (0.119 R)
• M2: 531,222 km (0.108 R)
• M3: 1,111,213 km (0.101 R)
• M4: 1,467,705 km (0.084 R)
• M5: 2,129,077 km (0.098 R)
• M6: 2,862,555 km (0.066 R)
• M7: 3,360,267 km (0.071 R)
• M8: 3,914,827 km (0.084 R)
• M9: 4,224,943 km (0.108 R)
• M10: 4,848,317 km (0.095 R)
• M11: 5,182,369 km (0.07 R)
• M12: 5,712,544 km (0.111 R)
• M13: 6,446,771 km (0.081 R)
• M14: 7,397,016 km (0.088 R)
• M15: 8,168,941 km (0.117 R)
• M16: 9,208,347 km (0.118 R)
• M17: 10,372,518 km (0.096 R)
• M18: 11,759,290 km (0.065 R)
• M19: 13,082,184 km (0.116 R)
• M20: 13,874,455 km (0.111 R)
• M21: 15,709,272 km (0.06 R)
• M22: 16,126,202 km (0.093 R)
• M23: 17,644,321 km (0.114 R)
• M24: 19,613,178 km (0.036 R)
• M25: 20,962,551 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 11.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.23 AU - 4.31 AU

Year: 5985 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,296,647 km

• M1: 145,260 km (0.09 R)
• M2: 744,399 km (0.078 R)
• M3: 1,262,606 km (0.095 R)
• M4: 1,796,222 km (0.066 R)
• M5: 2,829,195 km (0.09 R)
• M6: 3,897,473 km (0.103 R)
• M7: 4,273,413 km (0.089 R)
• M8: 5,995,434 km (0.062 R)
• M9: 6,743,274 km (0.076 R)
• M10: 7,362,758 km (0.055 R)
• M11: 8,220,403 km (0.102 R)
• M12: 11,195,456 km (0.056 R)
• M13: 12,170,086 km (0.094 R)
• M14: 12,923,760 km (0.105 R)
• M15: 13,481,012 km (0.105 R)
• M16: 13,938,333 km (0.117 R)
• M17: 15,496,395 km (0.114 R)
• M18: 16,061,875 km (0.108 R)
• M19: 17,637,290 km (0.046 R)
• M20: 19,313,534 km (0.061 R)
• M21: 22,180,876 km (0.075 R)
• M22: 22,980,178 km (0.049 R)
• M23: 23,715,900 km (0.063 R)
• M24: 30,962,122 km (0.103 R)
• M25: 36,060,118 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.4

Radius: 3.2

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.65 AU - 7.63 AU

Year: 10319 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,296,647 km

• M1: 39,793 km (0.076 R)
• M2: 160,369 km (0.089 R)
• M3: 335,997 km (0.11 R)
• M4: 530,175 km (0.108 R)
• M5: 758,461 km (0.114 R)
• M6: 952,789 km (0.102 R)
• M7: 1,713,793 km (0.105 R)
• M8: 3,576,885 km (0.103 R)
• M9: 4,400,571 km (0.081 R)
• M10: 5,507,595 km (0.092 R)
• M11: 6,851,582 km (0.076 R)
• M12: 8,584,823 km (0.095 R)
• M13: 13,281,598 km (0.112 R)
• M14: 13,993,534 km (0.092 R)
• M15: 15,827,754 km (0.114 R)
• M16: 17,694,885 km (0.106 R)
• M17: 19,251,750 km (0.054 R)
• M18: 21,169,445 km (0.07 R)
• M19: 21,374,843 km (0.11 R)
• M20: 26,157,188 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.4

Radius: 3.5

Gravity: 72.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.15 AU - 6.67 AU

Year: 11007 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,296,647 km

• M1: 43,533 km (0.082 R)
• M2: 739,163 km (0.07 R)
• M3: 882,927 km (0.12 R)
• M4: 1,068,428 km (0.113 R)
• M5: 1,279,511 km (0.101 R)
• M6: 1,938,190 km (0.078 R)
• M7: 2,578,020 km (0.107 R)
• M8: 2,981,037 km (0.116 R)
• M9: 4,380,226 km (0.072 R)
• M10: 4,534,461 km (0.078 R)
• M11: 4,985,349 km (0.106 R)
• M12: 6,127,230 km (0.082 R)
• M13: 9,110,510 km (0.068 R)
• M14: 13,191,091 km (0.082 R)
• M15: 13,643,027 km (0.069 R)
• M16: 14,577,565 km (0.119 R)
• M17: 18,183,920 km (0.069 R)
• M18: 18,824,199 km (0.099 R)
• M19: 22,251,786 km (0.114 R)
• M20: 23,637,511 km (0.026 R)
• M21: 23,921,448 km (0.065 R)
• M22: 26,376,199 km (0.085 R)
• M23: 26,886,477 km (0.111 R)
• M24: 29,427,846 km (0.106 R)
• M25: 30,309,277 km (0.09 R)
• M26: 31,664,334 km (0.105 R)
• M27: 44,416,805 km (0.066 R)
• M28: 45,284,023 km (0.111 R)
• M29: 45,868,353 km (0.086 R)
• M30: 48,865,845 km (0.045 R)
• M31: 53,439,950 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.8

Radius: 6.5

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.27 AU - 9.37 AU

Year: 16277 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,296,647 km

• M1: 80,932 km (0.061 R)
• M2: 298,747 km (0.053 R)
• M3: 554,709 km (0.116 R)
• M4: 868,416 km (0.097 R)
• M5: 1,112,859 km (0.074 R)
• M6: 1,322,744 km (0.07 R)
• M7: 2,137,454 km (0.118 R)
• M8: 2,962,786 km (0.06 R)
• M9: 3,174,766 km (0.119 R)
• M10: 3,498,795 km (0.106 R)
• M11: 4,213,424 km (0.095 R)
• M12: 6,304,353 km (0.075 R)
• M13: 6,696,449 km (0.029 R)
• M14: 6,939,396 km (0.071 R)
• M15: 7,660,159 km (0.117 R)
• M16: 8,244,039 km (0.07 R)
• M17: 10,495,637 km (0.113 R)
• M18: 12,569,213 km (0.095 R)
• M19: 13,127,363 km (0.087 R)
• M20: 13,380,782 km (0.053 R)
• M21: 15,246,417 km (0.053 R)
• M22: 18,124,530 km (0.116 R)
• M23: 18,836,765 km (0.067 R)
• M24: 24,928,690 km (0.036 R)
• M25: 29,538,399 km (0.086 R)
• M26: 30,523,800 km (0.078 R)
• M27: 31,192,951 km (0.073 R)
• M28: 36,028,852 km (0.11 R)
• M29: 38,949,152 km (0.114 R)
• M30: 39,868,281 km (0.111 R)
• M31: 44,681,892 km (0.097 R)
• M32: 47,005,895 km (0.036 R)
• M33: 48,952,462 km (0.111 R)
• M34: 53,487,522 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit