🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 12.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 5.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,802,378 km

• M1: 160,668 km (0.12 R)
• M2: 568,023 km (0.073 R)
• M3: 1,108,819 km (0.073 R)
• M4: 1,750,295 km (0.055 R)
• M5: 2,208,962 km (0.116 R)
• M6: 2,919,402 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 12.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.76 AU - 1.18 AU

Year: 637 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,802,378 km

• M1: 154,235 km (0.092 R)
• M2: 589,565 km (0.034 R)
• M3: 1,122,283 km (0.046 R)
• M4: 1,539,960 km (0.116 R)
• M5: 2,053,979 km (0.084 R)
• M6: 2,508,307 km (0.118 R)
• M7: 3,177,309 km (0.087 R)
• M8: 3,904,355 km (0.101 R)
• M9: 4,338,937 km (0.091 R)
• M10: 5,164,866 km (0.066 R)
• M11: 5,784,501 km (0.102 R)
• M12: 6,251,246 km (0.099 R)
• M13: 6,827,647 km (0.113 R)
• M14: 7,484,381 km (0.063 R)
• M15: 8,016,052 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 10

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.9 AU - 1.08 AU

Year: 657 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,802,378 km

• M1: 124,316 km (0.098 R)
• M2: 448,345 km (0.096 R)
• M3: 768,634 km (0.105 R)
• M4: 1,168,359 km (0.105 R)
• M5: 1,706,463 km (0.084 R)
• M6: 2,280,021 km (0.103 R)
• M7: 2,602,405 km (0.104 R)
• M8: 3,292,051 km (0.094 R)
• M9: 3,785,425 km (0.086 R)
• M10: 4,198,015 km (0.066 R)
• M11: 5,064,935 km (0.079 R)
• M12: 5,619,046 km (0.119 R)
• M13: 6,344,296 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 12.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.18 AU - 1.5 AU

Year: 1034 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,802,378 km

• M1: 176,825 km (0.064 R)
• M2: 636,539 km (0.07 R)
• M3: 1,035,367 km (0.075 R)
• M4: 1,633,609 km (0.037 R)
• M5: 2,083,450 km (0.106 R)
• M6: 2,859,115 km (0.057 R)
• M7: 3,363,708 km (0.119 R)
• M8: 4,232,423 km (0.104 R)
• M9: 4,854,601 km (0.047 R)
• M10: 5,477,825 km (0.066 R)
• M11: 6,175,101 km (0.086 R)
• M12: 7,259,386 km (0.082 R)
• M13: 7,747,075 km (0.096 R)
• M14: 8,230,576 km (0.088 R)
• M15: 8,707,194 km (0.118 R)
• M16: 9,832,619 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 9.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.66 AU - 2.44 AU

Year: 1957 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,802,378 km

• M1: 117,434 km (0.065 R)
• M2: 513,869 km (0.086 R)
• M3: 895,044 km (0.119 R)
• M4: 1,315,863 km (0.07 R)
• M5: 1,885,532 km (0.098 R)
• M6: 2,800,921 km (0.106 R)
• M7: 3,575,090 km (0.058 R)
• M8: 4,104,218 km (0.035 R)
• M9: 4,414,334 km (0.105 R)
• M10: 6,997,291 km (0.116 R)
• M11: 8,036,697 km (0.073 R)
• M12: 8,386,756 km (0.084 R)
• M13: 10,355,913 km (0.084 R)
• M14: 11,163,891 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 12.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.99 AU - 2.17 AU

Year: 2000 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,802,378 km

• M1: 180,116 km (0.106 R)
• M2: 622,327 km (0.115 R)
• M3: 1,260,512 km (0.097 R)
• M4: 1,705,715 km (0.054 R)
• M5: 2,282,415 km (0.113 R)
• M6: 2,712,209 km (0.085 R)
• M7: 3,538,887 km (0.117 R)
• M8: 4,360,329 km (0.117 R)
• M9: 4,783,841 km (0.056 R)
• M10: 5,689,506 km (0.093 R)
• M11: 6,144,583 km (0.08 R)
• M12: 6,816,876 km (0.11 R)
• M13: 8,056,593 km (0.043 R)
• M14: 10,901,795 km (0.11 R)
• M15: 13,149,204 km (0.109 R)
• M16: 16,537,297 km (0.086 R)
• M17: 17,049,819 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 13.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.6 AU - 4.06 AU

Year: 4052 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,802,378 km

• M1: 166,652 km (0.071 R)
• M2: 748,139 km (0.05 R)
• M3: 1,527,095 km (0.084 R)
• M4: 2,067,293 km (0.081 R)
• M5: 3,030,853 km (0.092 R)
• M6: 3,809,659 km (0.114 R)
• M7: 4,718,167 km (0.055 R)
• M8: 5,812,326 km (0.079 R)
• M9: 6,809,396 km (0.089 R)
• M10: 7,254,898 km (0.111 R)
• M11: 7,974,314 km (0.061 R)
• M12: 9,079,693 km (0.103 R)
• M13: 9,653,102 km (0.108 R)
• M14: 11,446,930 km (0.037 R)
• M15: 12,078,981 km (0.117 R)
• M16: 12,852,252 km (0.112 R)
• M17: 13,372,404 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 10.9

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.5 AU - 5.1 AU

Year: 5946 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,802,378 km

• M1: 136,433 km (0.098 R)
• M2: 663,467 km (0.12 R)
• M3: 1,122,134 km (0.096 R)
• M4: 1,492,987 km (0.115 R)
• M5: 2,035,877 km (0.087 R)
• M6: 2,615,868 km (0.062 R)
• M7: 3,655,574 km (0.107 R)
• M8: 4,333,551 km (0.064 R)
• M9: 6,036,124 km (0.042 R)
• M10: 8,028,170 km (0.109 R)
• M11: 8,835,699 km (0.038 R)
• M12: 10,056,118 km (0.031 R)
• M13: 10,471,402 km (0.12 R)
• M14: 10,898,055 km (0.12 R)
• M15: 13,762,855 km (0.033 R)
• M16: 15,157,406 km (0.084 R)
• M17: 16,901,119 km (0.115 R)
• M18: 19,547,355 km (0.106 R)
• M19: 24,885,606 km (0.089 R)
• M20: 25,391,247 km (0.119 R)
• M21: 31,513,091 km (0.102 R)
• M22: 32,105,049 km (0.083 R)
• M23: 35,388,573 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.4

Radius: 6.3

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.09 AU - 7.17 AU

Year: 11384 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,802,378 km

• M1: 203,902 km (0.1 R)
• M2: 473,178 km (0.073 R)
• M3: 763,847 km (0.097 R)
• M4: 1,010,833 km (0.065 R)
• M5: 1,895,555 km (0.113 R)
• M6: 2,660,748 km (0.091 R)
• M7: 2,971,163 km (0.106 R)
• M8: 5,595,110 km (0.07 R)
• M9: 8,505,836 km (0.088 R)
• M10: 10,635,361 km (0.106 R)
• M11: 11,578,576 km (0.098 R)
• M12: 14,179,036 km (0.096 R)
• M13: 16,796,251 km (0.113 R)
• M14: 17,927,659 km (0.104 R)
• M15: 20,263,032 km (0.056 R)
• M16: 22,963,572 km (0.1 R)
• M17: 32,920,059 km (0.051 R)
• M18: 42,774,519 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.3

Radius: 3.2

Gravity: 63.02 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.39 AU - 7.83 AU

Year: 13999 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,802,378 km

• M1: 39,793 km (0.111 R)
• M2: 219,011 km (0.036 R)
• M3: 455,675 km (0.091 R)
• M4: 1,108,819 km (0.115 R)
• M5: 1,642,285 km (0.077 R)
• M6: 1,965,267 km (0.104 R)
• M7: 2,151,517 km (0.112 R)
• M8: 2,329,089 km (0.116 R)
• M9: 2,580,862 km (0.034 R)
• M10: 3,213,512 km (0.096 R)
• M11: 3,661,258 km (0.052 R)
• M12: 3,943,400 km (0.082 R)
• M13: 4,179,316 km (0.07 R)
• M14: 5,079,596 km (0.053 R)
• M15: 5,183,117 km (0.119 R)
• M16: 5,394,499 km (0.116 R)
• M17: 6,417,449 km (0.087 R)
• M18: 6,785,161 km (0.085 R)
• M19: 7,385,048 km (0.06 R)
• M20: 9,869,869 km (0.038 R)
• M21: 13,052,414 km (0.068 R)
• M22: 14,248,898 km (0.062 R)
• M23: 14,593,721 km (0.101 R)
• M24: 17,713,435 km (0.106 R)
• M25: 19,259,978 km (0.106 R)
• M26: 21,790,575 km (0.104 R)
• M27: 27,605,145 km (0.09 R)
• M28: 28,033,145 km (0.061 R)
• M29: 35,746,561 km (0.09 R)
• M30: 37,416,073 km (0.1 R)
• M31: 40,771,254 km (0.042 R)
• M32: 43,307,536 km (0.118 R)
• M33: 48,072,378 km (0.095 R)
• M34: 51,704,914 km (0.068 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: 248 - 12,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit