🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 11.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.82 AU - 1.02 AU

Year: 588 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,684,415 km

• M1: 144,212 km (0.1 R)
• M2: 572,960 km (0.071 R)
• M3: 1,190,500 km (0.068 R)
• M4: 1,598,154 km (0.073 R)
• M5: 2,074,324 km (0.029 R)
• M6: 2,831,888 km (0.104 R)
• M7: 3,281,579 km (0.091 R)
• M8: 4,087,014 km (0.114 R)
• M9: 4,754,819 km (0.035 R)
• M10: 5,343,786 km (0.056 R)
• M11: 5,891,912 km (0.108 R)
• M12: 6,345,942 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 13.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.91 AU - 1.17 AU

Year: 707 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,684,415 km

• M1: 170,392 km (0.088 R)
• M2: 603,927 km (0.071 R)
• M3: 1,275,322 km (0.084 R)
• M4: 1,781,561 km (0.079 R)
• M5: 2,442,784 km (0.086 R)
• M6: 2,894,719 km (0.077 R)
• M7: 3,428,484 km (0.104 R)
• M8: 4,071,007 km (0.113 R)
• M9: 4,616,740 km (0.106 R)
• M10: 5,228,296 km (0.085 R)
• M11: 6,374,365 km (0.101 R)
• M12: 6,944,184 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 8

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.96 AU - 1.4 AU

Year: 855 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,684,415 km

• M1: 100,979 km (0.117 R)
• M2: 593,754 km (0.062 R)
• M3: 1,148,014 km (0.097 R)
• M4: 1,490,444 km (0.102 R)
• M5: 2,069,088 km (0.074 R)
• M6: 2,753,947 km (0.105 R)
• M7: 3,266,769 km (0.094 R)
• M8: 3,976,760 km (0.034 R)
• M9: 5,066,281 km (0.089 R)
• M10: 6,617,611 km (0.099 R)
• M11: 6,988,913 km (0.084 R)
• M12: 8,538,598 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.21 AU - 1.31 AU

Year: 943 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,684,415 km

• M1: 153,039 km (0.1 R)
• M2: 574,456 km (0.102 R)
• M3: 1,268,440 km (0.06 R)
• M4: 1,755,980 km (0.107 R)
• M5: 2,329,388 km (0.098 R)
• M6: 3,002,429 km (0.119 R)
• M7: 3,524,825 km (0.096 R)
• M8: 4,281,341 km (0.077 R)
• M9: 4,753,622 km (0.08 R)
• M10: 5,328,826 km (0.118 R)
• M11: 5,913,305 km (0.116 R)
• M12: 6,403,537 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.12 AU - 1.68 AU

Year: 1105 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,684,415 km

• M1: 99,483 km (0.111 R)
• M2: 363,822 km (0.086 R)
• M3: 638,484 km (0.064 R)
• M4: 962,961 km (0.104 R)
• M5: 1,374,505 km (0.102 R)
• M6: 1,693,897 km (0.072 R)
• M7: 2,173,208 km (0.104 R)
• M8: 2,540,920 km (0.085 R)
• M9: 3,000,634 km (0.12 R)
• M10: 3,543,375 km (0.098 R)
• M11: 4,279,097 km (0.109 R)
• M12: 4,876,891 km (0.038 R)
• M13: 5,375,201 km (0.048 R)
• M14: 5,627,124 km (0.095 R)
• M15: 6,050,486 km (0.095 R)
• M16: 6,430,315 km (0.092 R)
• M17: 7,378,466 km (0.113 R)
• M18: 8,677,724 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 10.6

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.17 AU - 1.81 AU

Year: 1213 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,684,415 km

• M1: 134,937 km (0.065 R)
• M2: 542,591 km (0.091 R)
• M3: 874,848 km (0.105 R)
• M4: 1,302,549 km (0.066 R)
• M5: 1,858,903 km (0.103 R)
• M6: 2,239,480 km (0.111 R)
• M7: 3,204,985 km (0.084 R)
• M8: 4,335,047 km (0.113 R)
• M9: 5,280,506 km (0.107 R)
• M10: 5,869,921 km (0.083 R)
• M11: 6,430,016 km (0.11 R)
• M12: 7,496,050 km (0.111 R)
• M13: 7,931,829 km (0.101 R)
• M14: 8,558,494 km (0.051 R)
• M15: 9,434,839 km (0.032 R)
• M16: 11,154,466 km (0.103 R)
• M17: 11,831,995 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 13.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.69 AU - 4.25 AU

Year: 5275 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,684,415 km

• M1: 164,558 km (0.097 R)
• M2: 932,593 km (0.063 R)
• M3: 1,388,119 km (0.073 R)
• M4: 1,894,507 km (0.085 R)
• M5: 2,371,126 km (0.077 R)
• M6: 3,166,538 km (0.098 R)
• M7: 4,917,880 km (0.106 R)
• M8: 5,956,538 km (0.085 R)
• M9: 7,575,337 km (0.118 R)
• M10: 8,466,791 km (0.114 R)
• M11: 9,645,173 km (0.058 R)
• M12: 11,966,633 km (0.082 R)
• M13: 13,067,524 km (0.084 R)
• M14: 13,894,351 km (0.038 R)
• M15: 16,021,483 km (0.099 R)
• M16: 16,585,467 km (0.096 R)
• M17: 18,357,454 km (0.097 R)
• M18: 20,108,048 km (0.045 R)
• M19: 21,435,580 km (0.093 R)
• M20: 24,101,264 km (0.1 R)
• M21: 28,595,035 km (0.106 R)
• M22: 29,988,389 km (0.088 R)
• M23: 30,653,950 km (0.068 R)
• M24: 31,232,295 km (0.106 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385

Radius: 6.8

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.37 AU - 6.75 AU

Year: 11204 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,684,415 km

• M1: 84,672 km (0.081 R)
• M2: 328,816 km (0.098 R)
• M3: 904,319 km (0.083 R)
• M4: 1,144,873 km (0.025 R)
• M5: 1,546,543 km (0.109 R)
• M6: 1,758,373 km (0.102 R)
• M7: 1,973,794 km (0.084 R)
• M8: 2,649,827 km (0.116 R)
• M9: 2,913,718 km (0.115 R)
• M10: 3,194,962 km (0.096 R)
• M11: 3,965,391 km (0.06 R)
• M12: 4,421,963 km (0.117 R)
• M13: 6,424,929 km (0.088 R)
• M14: 7,170,076 km (0.062 R)
• M15: 7,888,745 km (0.075 R)
• M16: 9,329,671 km (0.066 R)
• M17: 10,835,224 km (0.096 R)
• M18: 12,107,105 km (0.066 R)
• M19: 14,319,807 km (0.068 R)
• M20: 17,063,881 km (0.061 R)
• M21: 18,195,439 km (0.094 R)
• M22: 22,218,276 km (0.087 R)
• M23: 23,054,378 km (0.081 R)
• M24: 26,703,070 km (0.102 R)
• M25: 28,322,617 km (0.111 R)
• M26: 31,861,205 km (0.095 R)
• M27: 32,177,455 km (0.092 R)
• M28: 32,709,425 km (0.025 R)
• M29: 32,923,799 km (0.074 R)
• M30: 34,451,043 km (0.087 R)
• M31: 35,457,388 km (0.083 R)
• M32: 37,294,600 km (0.071 R)
• M33: 41,784,331 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634

Radius: 5.6

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.22 AU - 7.84 AU

Year: 12430 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,684,415 km

• M1: 69,713 km (0.026 R)
• M2: 339,288 km (0.064 R)
• M3: 628,461 km (0.082 R)
• M4: 805,884 km (0.094 R)
• M5: 1,398,590 km (0.085 R)
• M6: 2,628,135 km (0.095 R)
• M7: 3,147,390 km (0.093 R)
• M8: 3,368,346 km (0.089 R)
• M9: 4,327,717 km (0.103 R)
• M10: 4,508,880 km (0.069 R)
• M11: 5,996,930 km (0.069 R)
• M12: 7,223,782 km (0.046 R)
• M13: 7,696,810 km (0.108 R)
• M14: 9,289,579 km (0.09 R)
• M15: 10,978,090 km (0.079 R)
• M16: 17,863,931 km (0.073 R)
• M17: 19,048,147 km (0.073 R)
• M18: 19,783,271 km (0.11 R)
• M19: 21,924,166 km (0.102 R)
• M20: 27,682,936 km (0.111 R)
• M21: 28,308,854 km (0.035 R)
• M22: 29,697,421 km (0.042 R)
• M23: 30,133,649 km (0.116 R)
• M24: 31,468,062 km (0.109 R)
• M25: 34,854,359 km (0.063 R)
• M26: 36,199,992 km (0.091 R)
• M27: 36,448,324 km (0.079 R)
• M28: 38,605,077 km (0.12 R)
• M29: 38,994,331 km (0.057 R)
• M30: 40,045,106 km (0.095 R)
• M31: 41,384,905 km (0.068 R)
• M32: 42,203,055 km (0.119 R)
• M33: 45,151,330 km (0.111 R)
• M34: 46,749,185 km (0.091 R)
• M35: 49,903,456 km (0.114 R)
• M36: 52,399,945 km (0.117 R)
• M37: 53,196,853 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.9

Radius: 4.7

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.49 AU - 9.71 AU

Year: 19835 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,684,415 km

• M1: 297,999 km (0.116 R)
• M2: 524,640 km (0.114 R)
• M3: 1,079,349 km (0.084 R)
• M4: 2,675,408 km (0.102 R)
• M5: 3,404,249 km (0.057 R)
• M6: 8,542,188 km (0.119 R)
• M7: 11,102,406 km (0.078 R)
• M8: 11,658,312 km (0.091 R)
• M9: 24,433,222 km (0.057 R)
• M10: 26,529,537 km (0.043 R)
• M11: 27,022,163 km (0.098 R)
• M12: 30,535,020 km (0.048 R)
• M13: 31,513,390 km (0.078 R)
• M14: 42,741,009 km (0.099 R)
• M15: 43,281,806 km (0.075 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 16,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit