🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 10.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.06 AU - 1.68 AU

Year: 1035 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,174,514 km

• M1: 131,197 km (0.064 R)
• M2: 463,155 km (0.108 R)
• M3: 802,742 km (0.064 R)
• M4: 1,155,943 km (0.097 R)
• M5: 1,555,668 km (0.108 R)
• M6: 2,359,458 km (0.11 R)
• M7: 2,855,375 km (0.089 R)
• M8: 3,247,321 km (0.059 R)
• M9: 4,327,118 km (0.107 R)
• M10: 4,959,169 km (0.108 R)
• M11: 5,967,758 km (0.116 R)
• M12: 7,501,735 km (0.069 R)
• M13: 7,936,317 km (0.093 R)
• M14: 8,968,542 km (0.09 R)
• M15: 9,724,909 km (0.102 R)
• M16: 10,586,293 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 10.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.17 AU - 1.79 AU

Year: 1163 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,174,514 km

• M1: 129,103 km (0.065 R)
• M2: 583,581 km (0.065 R)
• M3: 925,263 km (0.092 R)
• M4: 1,453,194 km (0.108 R)
• M5: 2,095,567 km (0.089 R)
• M6: 3,043,419 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 8.3

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.63 AU - 2.21 AU

Year: 1718 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,174,514 km

• M1: 103,372 km (0.096 R)
• M2: 367,712 km (0.112 R)
• M3: 685,009 km (0.097 R)
• M4: 1,237,324 km (0.077 R)
• M5: 1,611,767 km (0.111 R)
• M6: 1,989,951 km (0.053 R)
• M7: 2,257,432 km (0.082 R)
• M8: 2,791,496 km (0.097 R)
• M9: 3,407,241 km (0.104 R)
• M10: 3,774,653 km (0.092 R)
• M11: 4,187,843 km (0.09 R)
• M12: 4,842,483 km (0.114 R)
• M13: 5,399,885 km (0.101 R)
• M14: 6,302,558 km (0.107 R)
• M15: 6,803,562 km (0.096 R)
• M16: 7,560,976 km (0.062 R)
• M17: 8,688,495 km (0.11 R)
• M18: 9,750,789 km (0.113 R)
• M19: 10,457,340 km (0.113 R)
• M20: 11,235,398 km (0.103 R)
• M21: 14,465,665 km (0.101 R)
• M22: 15,525,267 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 11.4

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.1 AU - 2.36 AU

Year: 2150 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,174,514 km

• M1: 141,968 km (0.103 R)
• M2: 780,452 km (0.105 R)
• M3: 1,151,904 km (0.086 R)
• M4: 1,553,873 km (0.074 R)
• M5: 2,251,448 km (0.092 R)
• M6: 3,488,922 km (0.077 R)
• M7: 5,859,749 km (0.08 R)
• M8: 6,818,222 km (0.089 R)
• M9: 7,335,382 km (0.092 R)
• M10: 7,909,389 km (0.114 R)
• M11: 8,578,391 km (0.077 R)
• M12: 9,215,977 km (0.093 R)
• M13: 9,634,701 km (0.055 R)
• M14: 10,737,537 km (0.062 R)
• M15: 11,881,661 km (0.093 R)
• M16: 12,462,400 km (0.112 R)
• M17: 13,280,551 km (0.083 R)
• M18: 14,928,820 km (0.099 R)
• M19: 15,312,838 km (0.061 R)
• M20: 15,802,173 km (0.09 R)
• M21: 16,709,334 km (0.053 R)
• M22: 17,123,421 km (0.084 R)
• M23: 18,243,311 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 12.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.57 AU - 4.33 AU

Year: 5069 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,174,514 km

• M1: 157,826 km (0.057 R)
• M2: 826,229 km (0.082 R)
• M3: 1,795,922 km (0.098 R)
• M4: 2,723,878 km (0.089 R)
• M5: 3,420,705 km (0.115 R)
• M6: 4,122,319 km (0.109 R)
• M7: 6,599,809 km (0.079 R)
• M8: 7,357,074 km (0.074 R)
• M9: 9,582,940 km (0.093 R)
• M10: 11,021,324 km (0.093 R)
• M11: 12,646,256 km (0.08 R)
• M12: 14,425,573 km (0.114 R)
• M13: 19,532,246 km (0.103 R)
• M14: 22,593,318 km (0.111 R)
• M15: 23,227,613 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.9

Radius: 6.4

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.34 AU - 6.96 AU

Year: 9848 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,174,514 km

• M1: 84,523 km (0.09 R)
• M2: 370,853 km (0.107 R)
• M3: 635,791 km (0.066 R)
• M4: 995,873 km (0.037 R)
• M5: 1,211,593 km (0.098 R)
• M6: 1,539,212 km (0.083 R)
• M7: 1,754,185 km (0.098 R)
• M8: 2,005,808 km (0.051 R)
• M9: 2,562,612 km (0.057 R)
• M10: 2,994,949 km (0.092 R)
• M11: 3,571,948 km (0.118 R)
• M12: 4,057,992 km (0.053 R)
• M13: 6,415,205 km (0.11 R)
• M14: 7,409,882 km (0.066 R)
• M15: 7,694,417 km (0.045 R)
• M16: 8,372,095 km (0.115 R)
• M17: 9,557,210 km (0.11 R)
• M18: 12,255,806 km (0.114 R)
• M19: 15,162,193 km (0.095 R)
• M20: 15,489,214 km (0.049 R)
• M21: 16,224,936 km (0.114 R)
• M22: 17,054,008 km (0.026 R)
• M23: 17,336,448 km (0.101 R)
• M24: 19,402,245 km (0.066 R)
• M25: 20,653,482 km (0.093 R)
• M26: 22,041,002 km (0.038 R)
• M27: 28,609,546 km (0.076 R)
• M28: 30,641,833 km (0.118 R)
• M29: 31,059,510 km (0.099 R)
• M30: 33,425,101 km (0.037 R)
• M31: 35,105,085 km (0.066 R)
• M32: 43,825,594 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.9

Radius: 5

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.92 AU - 7.64 AU

Year: 12683 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,174,514 km

• M1: 62,682 km (0.069 R)
• M2: 282,890 km (0.094 R)
• M3: 445,951 km (0.102 R)
• M4: 798,404 km (0.095 R)
• M5: 1,073,365 km (0.071 R)
• M6: 1,282,054 km (0.085 R)
• M7: 2,931,669 km (0.052 R)
• M8: 4,028,371 km (0.09 R)
• M9: 4,989,388 km (0.116 R)
• M10: 6,723,078 km (0.071 R)
• M11: 7,851,195 km (0.035 R)
• M12: 9,771,434 km (0.077 R)
• M13: 11,760,188 km (0.115 R)
• M14: 14,832,030 km (0.114 R)
• M15: 23,812,241 km (0.102 R)
• M16: 27,856,769 km (0.068 R)
• M17: 34,459,870 km (0.047 R)
• M18: 41,514,456 km (0.097 R)
• M19: 46,483,798 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.2

Radius: 6.5

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.65 AU - 10.69 AU

Year: 17930 Days

Day: 19.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,174,514 km

• M1: 80,783 km (0.102 R)
• M2: 291,716 km (0.097 R)
• M3: 590,762 km (0.109 R)
• M4: 816,655 km (0.114 R)
• M5: 1,214,286 km (0.081 R)
• M6: 1,668,016 km (0.119 R)
• M7: 2,309,941 km (0.112 R)
• M8: 2,586,398 km (0.105 R)
• M9: 2,908,931 km (0.115 R)
• M10: 3,606,655 km (0.117 R)
• M11: 4,284,483 km (0.075 R)
• M12: 5,736,480 km (0.079 R)
• M13: 6,699,591 km (0.059 R)
• M14: 7,219,593 km (0.111 R)
• M15: 7,766,074 km (0.111 R)
• M16: 8,389,000 km (0.084 R)
• M17: 11,517,989 km (0.1 R)
• M18: 15,570,146 km (0.069 R)
• M19: 16,636,330 km (0.091 R)
• M20: 26,018,660 km (0.067 R)
• M21: 27,845,100 km (0.108 R)
• M22: 29,985,696 km (0.079 R)
• M23: 30,801,304 km (0.071 R)
• M24: 31,036,921 km (0.061 R)
• M25: 31,631,572 km (0.088 R)
• M26: 40,912,923 km (0.112 R)
• M27: 44,720,189 km (0.107 R)
• M28: 45,326,210 km (0.069 R)
• M29: 46,554,558 km (0.086 R)
• M30: 58,986,440 km (0.103 R)
• M31: 61,937,258 km (0.117 R)
• M32: 62,690,035 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.4

Radius: 6.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.36 AU - 10.98 AU

Year: 17930 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,174,514 km

• M1: 89,609 km (0.1 R)
• M2: 364,570 km (0.106 R)
• M3: 774,618 km (0.108 R)
• M4: 993,330 km (0.059 R)
• M5: 4,769,629 km (0.029 R)
• M6: 11,677,311 km (0.054 R)
• M7: 12,194,620 km (0.077 R)
• M8: 12,607,510 km (0.117 R)
• M9: 13,029,675 km (0.116 R)
• M10: 15,013,493 km (0.087 R)
• M11: 17,263,744 km (0.096 R)
• M12: 23,945,084 km (0.043 R)
• M13: 26,408,512 km (0.106 R)
• M14: 32,954,466 km (0.107 R)
• M15: 36,235,447 km (0.034 R)
• M16: 39,599,454 km (0.044 R)
• M17: 40,896,468 km (0.088 R)
• M18: 43,438,285 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 15,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit