🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 9.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.67 AU - 0.79 AU

Year: 409 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,302,668 km

• M1: 122,521 km (0.111 R)
• M2: 385,215 km (0.1 R)
• M3: 694,284 km (0.086 R)
• M4: 1,019,659 km (0.114 R)
• M5: 1,204,712 km (0.096 R)
• M6: 1,679,834 km (0.096 R)
• M7: 2,057,868 km (0.115 R)
• M8: 2,241,275 km (0.081 R)
• M9: 2,513,543 km (0.07 R)
• M10: 2,810,196 km (0.105 R)
• M11: 3,446,585 km (0.109 R)
• M12: 4,275,956 km (0.106 R)
• M13: 4,725,348 km (0.089 R)
• M14: 5,069,423 km (0.093 R)
• M15: 5,414,994 km (0.111 R)
• M16: 5,806,342 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 14.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.3 AU - 1.32 AU

Year: 984 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,302,668 km

• M1: 182,809 km (0.105 R)
• M2: 530,025 km (0.106 R)
• M3: 806,931 km (0.075 R)
• M4: 1,324,540 km (0.118 R)
• M5: 1,970,952 km (0.086 R)
• M6: 2,353,175 km (0.072 R)
• M7: 2,648,780 km (0.101 R)
• M8: 3,061,371 km (0.099 R)
• M9: 3,447,034 km (0.065 R)
• M10: 3,894,182 km (0.071 R)
• M11: 4,612,102 km (0.082 R)
• M12: 5,073,313 km (0.059 R)
• M13: 5,363,832 km (0.11 R)
• M14: 5,723,615 km (0.044 R)
• M15: 6,222,224 km (0.027 R)
• M16: 6,792,043 km (0.106 R)
• M17: 7,335,532 km (0.075 R)
• M18: 8,136,030 km (0.049 R)
• M19: 8,580,335 km (0.059 R)
• M20: 8,921,568 km (0.089 R)
• M21: 9,624,229 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.6

Radius: 10.4

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.37 AU - 1.63 AU

Year: 1205 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,302,668 km

• M1: 137,032 km (0.093 R)
• M2: 340,784 km (0.059 R)
• M3: 742,005 km (0.076 R)
• M4: 1,081,593 km (0.119 R)
• M5: 1,290,581 km (0.096 R)
• M6: 1,630,168 km (0.077 R)
• M7: 1,852,770 km (0.105 R)
• M8: 2,071,332 km (0.057 R)
• M9: 2,816,479 km (0.102 R)
• M10: 3,075,732 km (0.091 R)
• M11: 3,512,558 km (0.089 R)
• M12: 3,938,314 km (0.109 R)
• M13: 4,669,249 km (0.104 R)
• M14: 4,942,414 km (0.111 R)
• M15: 5,776,572 km (0.099 R)
• M16: 6,184,077 km (0.06 R)
• M17: 6,641,547 km (0.104 R)
• M18: 7,664,198 km (0.065 R)
• M19: 8,273,510 km (0.045 R)
• M20: 8,515,709 km (0.109 R)
• M21: 9,178,877 km (0.112 R)
• M22: 9,758,120 km (0.083 R)
• M23: 10,970,311 km (0.057 R)
• M24: 11,555,987 km (0.116 R)
• M25: 11,866,552 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.5

Radius: 8.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.61 AU - 2.45 AU

Year: 1897 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,302,668 km

• M1: 103,223 km (0.072 R)
• M2: 343,028 km (0.092 R)
• M3: 504,444 km (0.101 R)
• M4: 1,187,957 km (0.071 R)
• M5: 1,545,196 km (0.078 R)
• M6: 1,718,132 km (0.113 R)
• M7: 2,261,172 km (0.088 R)
• M8: 2,435,902 km (0.05 R)
• M9: 2,617,364 km (0.078 R)
• M10: 3,053,741 km (0.05 R)
• M11: 3,257,494 km (0.029 R)
• M12: 3,626,552 km (0.075 R)
• M13: 4,187,095 km (0.038 R)
• M14: 5,219,021 km (0.085 R)
• M15: 5,631,313 km (0.057 R)
• M16: 5,890,117 km (0.077 R)
• M17: 6,212,351 km (0.102 R)
• M18: 6,642,295 km (0.096 R)
• M19: 7,273,000 km (0.111 R)
• M20: 8,240,000 km (0.086 R)
• M21: 9,104,377 km (0.113 R)
• M22: 9,890,364 km (0.104 R)
• M23: 10,357,857 km (0.086 R)
• M24: 10,583,002 km (0.114 R)
• M25: 11,221,486 km (0.071 R)
• M26: 11,640,061 km (0.088 R)
• M27: 12,418,269 km (0.064 R)
• M28: 12,775,509 km (0.068 R)
• M29: 13,025,786 km (0.027 R)
• M30: 14,372,316 km (0.09 R)
• M31: 14,875,713 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 13.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.34 AU - 4.2 AU

Year: 4802 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,302,668 km

• M1: 186,249 km (0.102 R)
• M2: 598,092 km (0.06 R)
• M3: 1,408,763 km (0.092 R)
• M4: 2,233,047 km (0.055 R)
• M5: 2,706,375 km (0.119 R)
• M6: 2,970,266 km (0.1 R)
• M7: 5,402,428 km (0.118 R)
• M8: 6,062,603 km (0.045 R)
• M9: 10,882,198 km (0.094 R)
• M10: 13,728,447 km (0.071 R)
• M11: 15,487,269 km (0.095 R)
• M12: 16,690,036 km (0.105 R)
• M13: 18,395,302 km (0.109 R)
• M14: 20,377,324 km (0.065 R)
• M15: 21,109,905 km (0.075 R)
• M16: 24,118,318 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.8

Radius: 13.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.31 AU - 4.65 AU

Year: 5209 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,302,668 km

• M1: 231,727 km (0.085 R)
• M2: 565,929 km (0.083 R)
• M3: 977,772 km (0.095 R)
• M4: 1,982,172 km (0.043 R)
• M5: 3,149,634 km (0.117 R)
• M6: 4,425,255 km (0.102 R)
• M7: 5,191,046 km (0.065 R)
• M8: 5,541,704 km (0.11 R)
• M9: 7,266,717 km (0.042 R)
• M10: 9,435,287 km (0.091 R)
• M11: 11,371,533 km (0.069 R)
• M12: 13,738,320 km (0.108 R)
• M13: 17,874,702 km (0.074 R)
• M14: 22,288,437 km (0.107 R)
• M15: 22,606,183 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 12.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.25 AU - 6.23 AU

Year: 9021 Days

Day: 5.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,302,668 km

• M1: 160,818 km (0.098 R)
• M2: 479,611 km (0.032 R)
• M3: 765,193 km (0.047 R)
• M4: 1,529,040 km (0.109 R)
• M5: 2,260,125 km (0.044 R)
• M6: 2,579,666 km (0.11 R)
• M7: 2,899,656 km (0.119 R)
• M8: 3,405,147 km (0.099 R)
• M9: 3,723,940 km (0.092 R)
• M10: 4,243,493 km (0.047 R)
• M11: 4,600,135 km (0.062 R)
• M12: 5,449,551 km (0.099 R)
• M13: 6,014,283 km (0.105 R)
• M14: 6,914,862 km (0.105 R)
• M15: 7,443,092 km (0.117 R)
• M16: 8,405,755 km (0.08 R)
• M17: 10,382,242 km (0.087 R)
• M18: 10,898,654 km (0.1 R)
• M19: 11,427,781 km (0.038 R)
• M20: 12,153,032 km (0.117 R)
• M21: 13,091,459 km (0.067 R)
• M22: 15,280,375 km (0.029 R)
• M23: 15,749,065 km (0.09 R)
• M24: 19,934,215 km (0.103 R)
• M25: 20,290,408 km (0.099 R)
• M26: 22,936,944 km (0.091 R)
• M27: 25,881,329 km (0.109 R)
• M28: 26,628,271 km (0.058 R)
• M29: 27,594,524 km (0.064 R)
• M30: 28,084,008 km (0.108 R)
• M31: 28,577,980 km (0.118 R)
• M32: 29,147,649 km (0.114 R)
• M33: 31,632,320 km (0.117 R)
• M34: 32,006,315 km (0.056 R)
• M35: 38,044,683 km (0.066 R)
• M36: 38,702,166 km (0.083 R)
• M37: 42,592,010 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.6

Radius: 3.9

Gravity: 62.5 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.32 AU - 8.1 AU

Year: 12700 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,302,668 km

• M1: 71,059 km (0.104 R)
• M2: 522,695 km (0.082 R)
• M3: 1,173,446 km (0.053 R)
• M4: 1,365,829 km (0.058 R)
• M5: 1,515,127 km (0.071 R)
• M6: 1,837,959 km (0.109 R)
• M7: 2,707,273 km (0.089 R)
• M8: 3,164,145 km (0.094 R)
• M9: 3,420,705 km (0.074 R)
• M10: 6,069,485 km (0.089 R)
• M11: 6,186,620 km (0.08 R)
• M12: 7,767,421 km (0.1 R)
• M13: 10,022,908 km (0.089 R)
• M14: 11,958,555 km (0.082 R)
• M15: 12,511,169 km (0.1 R)
• M16: 12,848,812 km (0.034 R)
• M17: 16,408,493 km (0.076 R)
• M18: 17,120,429 km (0.102 R)
• M19: 17,383,123 km (0.075 R)
• M20: 17,981,365 km (0.097 R)
• M21: 18,726,362 km (0.118 R)
• M22: 22,378,495 km (0.06 R)
• M23: 23,132,917 km (0.087 R)
• M24: 23,438,097 km (0.079 R)
• M25: 25,471,132 km (0.076 R)
• M26: 25,952,239 km (0.111 R)
• M27: 31,454,149 km (0.111 R)
• M28: 33,619,429 km (0.073 R)
• M29: 34,079,592 km (0.102 R)
• M30: 34,635,946 km (0.086 R)
• M31: 36,618,716 km (0.06 R)
• M32: 36,906,543 km (0.107 R)
• M33: 37,098,926 km (0.118 R)
• M34: 41,358,276 km (0.111 R)
• M35: 55,173,340 km (0.115 R)
• M36: 55,762,606 km (0.086 R)
• M37: 58,030,211 km (0.111 R)
• M38: 62,576,191 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.8

Radius: 6.3

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.34 AU - 8.4 AU

Year: 14483 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,302,668 km

• M1: 109,655 km (0.054 R)
• M2: 1,202,767 km (0.092 R)
• M3: 2,015,233 km (0.094 R)
• M4: 3,857,531 km (0.075 R)
• M5: 4,544,783 km (0.065 R)
• M6: 6,607,439 km (0.117 R)
• M7: 6,912,020 km (0.088 R)
• M8: 7,622,460 km (0.101 R)
• M9: 10,104,439 km (0.115 R)
• M10: 14,797,025 km (0.074 R)
• M11: 16,840,980 km (0.105 R)
• M12: 17,633,999 km (0.064 R)
• M13: 22,777,173 km (0.101 R)
• M14: 22,917,646 km (0.102 R)
• M15: 28,422,997 km (0.066 R)
• M16: 34,695,187 km (0.032 R)
• M17: 34,868,720 km (0.065 R)
• M18: 37,975,569 km (0.049 R)
• M19: 40,369,434 km (0.074 R)
• M20: 50,992,828 km (0.078 R)
• M21: 53,116,220 km (0.032 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 11,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit