🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 8.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.28 AU - 3.42 AU

Year: 3382 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,728,061 km

• M1: 109,057 km (0.064 R)
• M2: 470,186 km (0.099 R)
• M3: 1,158,636 km (0.061 R)
• M4: 1,879,398 km (0.092 R)
• M5: 3,930,235 km (0.112 R)
• M6: 5,556,514 km (0.118 R)
• M7: 6,942,837 km (0.086 R)
• M8: 7,307,407 km (0.119 R)
• M9: 8,375,835 km (0.063 R)
• M10: 9,000,855 km (0.068 R)
• M11: 10,981,830 km (0.057 R)
• M12: 14,132,810 km (0.116 R)
• M13: 15,321,664 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.8

Radius: 13.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.5 AU - 3.76 AU

Year: 3892 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,728,061 km

• M1: 171,738 km (0.07 R)
• M2: 645,365 km (0.077 R)
• M3: 1,086,380 km (0.104 R)
• M4: 1,954,945 km (0.101 R)
• M5: 2,850,737 km (0.041 R)
• M6: 3,685,493 km (0.108 R)
• M7: 4,206,393 km (0.083 R)
• M8: 4,702,310 km (0.106 R)
• M9: 5,132,404 km (0.1 R)
• M10: 5,699,978 km (0.052 R)
• M11: 6,522,168 km (0.077 R)
• M12: 6,994,299 km (0.057 R)
• M13: 7,693,818 km (0.119 R)
• M14: 10,242,069 km (0.092 R)
• M15: 12,336,588 km (0.109 R)
• M16: 16,078,031 km (0.107 R)
• M17: 20,718,408 km (0.096 R)
• M18: 21,952,291 km (0.04 R)
• M19: 24,944,996 km (0.088 R)
• M20: 26,817,961 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 9.9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.26 AU - 4.96 AU

Year: 5857 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,728,061 km

• M1: 123,269 km (0.069 R)
• M2: 486,043 km (0.098 R)
• M3: 897,886 km (0.081 R)
• M4: 1,668,764 km (0.111 R)
• M5: 2,268,652 km (0.105 R)
• M6: 2,756,640 km (0.114 R)
• M7: 3,334,836 km (0.111 R)
• M8: 3,802,479 km (0.114 R)
• M9: 4,652,494 km (0.112 R)
• M10: 5,871,268 km (0.071 R)
• M11: 7,255,048 km (0.081 R)
• M12: 7,698,306 km (0.091 R)
• M13: 8,357,285 km (0.051 R)
• M14: 9,180,073 km (0.099 R)
• M15: 10,891,024 km (0.106 R)
• M16: 11,872,237 km (0.077 R)
• M17: 12,804,979 km (0.082 R)
• M18: 13,343,681 km (0.09 R)
• M19: 15,110,582 km (0.072 R)
• M20: 18,895,109 km (0.071 R)
• M21: 19,242,325 km (0.057 R)
• M22: 20,968,535 km (0.05 R)
• M23: 21,566,328 km (0.109 R)
• M24: 27,913,167 km (0.07 R)
• M25: 29,372,345 km (0.111 R)
• M26: 30,404,570 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 12.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.76 AU - 4.54 AU

Year: 5943 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,728,061 km

• M1: 155,432 km (0.086 R)
• M2: 741,706 km (0.1 R)
• M3: 1,465,610 km (0.057 R)
• M4: 2,559,021 km (0.097 R)
• M5: 3,801,581 km (0.112 R)
• M6: 4,987,892 km (0.047 R)
• M7: 5,700,726 km (0.047 R)
• M8: 7,438,305 km (0.075 R)
• M9: 8,517,654 km (0.12 R)
• M10: 10,706,121 km (0.114 R)
• M11: 11,128,137 km (0.06 R)
• M12: 13,326,777 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 12.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.44 AU - 5.88 AU

Year: 8239 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,728,061 km

• M1: 160,668 km (0.118 R)
• M2: 694,134 km (0.105 R)
• M3: 1,100,292 km (0.091 R)
• M4: 1,856,809 km (0.115 R)
• M5: 2,423,635 km (0.057 R)
• M6: 3,299,231 km (0.106 R)
• M7: 4,456,820 km (0.091 R)
• M8: 5,084,682 km (0.047 R)
• M9: 6,035,376 km (0.075 R)
• M10: 6,553,434 km (0.083 R)
• M11: 7,063,712 km (0.098 R)
• M12: 9,930,456 km (0.118 R)
• M13: 10,704,027 km (0.104 R)
• M14: 11,674,319 km (0.106 R)
• M15: 14,508,151 km (0.113 R)
• M16: 15,063,159 km (0.096 R)
• M17: 17,425,908 km (0.112 R)
• M18: 19,575,779 km (0.115 R)
• M19: 23,124,240 km (0.099 R)
• M20: 26,987,905 km (0.112 R)
• M21: 28,302,571 km (0.055 R)
• M22: 29,169,790 km (0.109 R)
• M23: 33,453,525 km (0.097 R)
• M24: 36,531,650 km (0.066 R)
• M25: 39,793,782 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.7

Radius: 4.5

Gravity: 28.08 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.32 AU - 6.62 AU

Year: 8993 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 24,728,061 km

• M1: 59,241 km (0.097 R)
• M2: 687,552 km (0.09 R)
• M3: 1,016,069 km (0.099 R)
• M4: 1,304,643 km (0.089 R)
• M5: 1,777,223 km (0.102 R)
• M6: 2,542,416 km (0.051 R)
• M7: 2,718,493 km (0.116 R)
• M8: 2,966,077 km (0.073 R)
• M9: 3,749,671 km (0.101 R)
• M10: 4,548,224 km (0.114 R)
• M11: 4,808,375 km (0.102 R)
• M12: 5,881,889 km (0.101 R)
• M13: 6,086,689 km (0.062 R)
• M14: 6,331,580 km (0.086 R)
• M15: 7,106,048 km (0.11 R)
• M16: 7,299,329 km (0.051 R)
• M17: 7,900,413 km (0.077 R)
• M18: 8,708,391 km (0.098 R)
• M19: 11,620,314 km (0.043 R)
• M20: 12,106,656 km (0.104 R)
• M21: 15,121,502 km (0.079 R)
• M22: 15,441,642 km (0.05 R)
• M23: 19,117,411 km (0.094 R)
• M24: 19,870,786 km (0.084 R)
• M25: 20,177,611 km (0.05 R)
• M26: 21,516,811 km (0.115 R)
• M27: 22,830,430 km (0.025 R)
• M28: 23,167,025 km (0.065 R)
• M29: 24,022,875 km (0.088 R)
• M30: 24,634,431 km (0.084 R)
• M31: 24,899,668 km (0.11 R)
• M32: 25,256,160 km (0.086 R)
• M33: 25,525,885 km (0.106 R)
• M34: 30,919,187 km (0.068 R)
• M35: 34,648,812 km (0.118 R)
• M36: 36,678,705 km (0.107 R)
• M37: 40,358,214 km (0.053 R)
• M38: 40,603,704 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.4

Radius: 6.5

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.43 AU - 6.63 AU

Year: 9141 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,728,061 km

• M1: 82,428 km (0.119 R)
• M2: 401,371 km (0.117 R)
• M3: 673,490 km (0.103 R)
• M4: 987,346 km (0.108 R)
• M5: 1,275,771 km (0.107 R)
• M6: 1,944,174 km (0.053 R)
• M7: 2,329,089 km (0.098 R)
• M8: 3,364,307 km (0.098 R)
• M9: 4,233,171 km (0.12 R)
• M10: 5,150,804 km (0.068 R)
• M11: 6,194,399 km (0.113 R)
• M12: 6,802,963 km (0.104 R)
• M13: 7,064,909 km (0.095 R)
• M14: 7,809,757 km (0.117 R)
• M15: 8,138,573 km (0.108 R)
• M16: 9,362,882 km (0.064 R)
• M17: 10,605,292 km (0.114 R)
• M18: 11,422,396 km (0.104 R)
• M19: 11,900,062 km (0.031 R)
• M20: 12,725,543 km (0.108 R)
• M21: 13,884,926 km (0.081 R)
• M22: 16,412,083 km (0.087 R)
• M23: 24,124,003 km (0.114 R)
• M24: 29,787,629 km (0.106 R)
• M25: 32,978,851 km (0.106 R)
• M26: 34,055,058 km (0.111 R)
• M27: 35,265,753 km (0.099 R)
• M28: 36,733,159 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.4

Radius: 4.7

Gravity: 36.87 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.72 AU - 7.82 AU

Year: 13779 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 24,728,061 km

• M1: 60,288 km (0.074 R)
• M2: 356,342 km (0.08 R)
• M3: 524,191 km (0.115 R)
• M4: 700,417 km (0.094 R)
• M5: 1,149,809 km (0.105 R)
• M6: 1,805,945 km (0.072 R)
• M7: 2,254,889 km (0.061 R)
• M8: 3,138,264 km (0.093 R)
• M9: 3,371,188 km (0.027 R)
• M10: 3,727,680 km (0.103 R)
• M11: 5,052,967 km (0.059 R)
• M12: 5,821,003 km (0.085 R)
• M13: 6,833,332 km (0.05 R)
• M14: 7,269,409 km (0.114 R)
• M15: 7,631,436 km (0.079 R)
• M16: 8,391,393 km (0.112 R)
• M17: 9,252,778 km (0.096 R)
• M18: 10,855,569 km (0.08 R)
• M19: 11,569,899 km (0.089 R)
• M20: 12,442,205 km (0.065 R)
• M21: 12,764,139 km (0.103 R)
• M22: 13,224,153 km (0.098 R)
• M23: 14,813,480 km (0.119 R)
• M24: 15,468,719 km (0.027 R)
• M25: 26,243,057 km (0.07 R)
• M26: 26,453,990 km (0.112 R)
• M27: 27,308,792 km (0.092 R)
• M28: 32,706,283 km (0.119 R)
• M29: 33,566,471 km (0.116 R)
• M30: 38,500,658 km (0.109 R)
• M31: 39,046,540 km (0.104 R)
• M32: 51,571,024 km (0.09 R)
• M33: 53,577,729 km (0.033 R)
• M34: 62,500,494 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.3

Radius: 7.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.3 AU - 7.68 AU

Year: 14409 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,728,061 km

• M1: 90,956 km (0.057 R)
• M2: 729,738 km (0.037 R)
• M3: 3,042,970 km (0.088 R)
• M4: 4,013,561 km (0.091 R)
• M5: 5,412,451 km (0.083 R)
• M6: 11,603,559 km (0.102 R)
• M7: 14,434,250 km (0.117 R)
• M8: 22,926,023 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit