🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 8.2

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.62 AU - 0.74 AU

Year: 357 Days

Day: 5.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,402,713 km

• M1: 102,026 km (0.091 R)
• M2: 394,789 km (0.114 R)
• M3: 671,994 km (0.118 R)
• M4: 932,144 km (0.091 R)
• M5: 1,255,725 km (0.109 R)
• M6: 1,688,362 km (0.093 R)
• M7: 2,209,261 km (0.102 R)
• M8: 2,582,059 km (0.078 R)
• M9: 3,048,356 km (0.042 R)
• M10: 3,307,609 km (0.072 R)
• M11: 4,008,325 km (0.108 R)
• M12: 4,267,279 km (0.09 R)
• M13: 4,818,847 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 12.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.68 AU - 0.82 AU

Year: 413 Days

Day: 12.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,402,713 km

• M1: 150,495 km (0.119 R)
• M2: 531,970 km (0.118 R)
• M3: 1,168,958 km (0.112 R)
• M4: 1,837,511 km (0.086 R)
• M5: 2,377,409 km (0.037 R)
• M6: 3,095,330 km (0.036 R)
• M7: 3,635,079 km (0.065 R)
• M8: 4,093,297 km (0.057 R)
• M9: 5,217,824 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 14.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.85 AU - 1.01 AU

Year: 570 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,402,713 km

• M1: 179,069 km (0.119 R)
• M2: 769,531 km (0.092 R)
• M3: 1,481,468 km (0.056 R)
• M4: 2,001,171 km (0.089 R)
• M5: 2,735,696 km (0.051 R)
• M6: 3,254,502 km (0.043 R)
• M7: 3,786,621 km (0.058 R)
• M8: 4,376,935 km (0.114 R)
• M9: 5,486,652 km (0.12 R)
• M10: 6,153,858 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 10.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.36 AU - 1.42 AU

Year: 1042 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,402,713 km

• M1: 135,984 km (0.042 R)
• M2: 681,867 km (0.074 R)
• M3: 1,336,507 km (0.056 R)
• M4: 1,984,117 km (0.051 R)
• M5: 2,506,064 km (0.051 R)
• M6: 3,079,472 km (0.116 R)
• M7: 3,565,516 km (0.114 R)
• M8: 4,086,715 km (0.075 R)
• M9: 4,522,942 km (0.093 R)
• M10: 5,263,451 km (0.08 R)
• M11: 5,624,132 km (0.098 R)
• M12: 6,082,949 km (0.08 R)
• M13: 6,545,206 km (0.117 R)
• M14: 7,731,368 km (0.075 R)
• M15: 8,581,083 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.5

Radius: 9.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.1 AU - 2.32 AU

Year: 2089 Days

Day: 11.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,402,713 km

• M1: 123,418 km (0.089 R)
• M2: 606,021 km (0.116 R)
• M3: 955,033 km (0.042 R)
• M4: 1,336,807 km (0.047 R)
• M5: 1,900,043 km (0.092 R)
• M6: 2,358,710 km (0.086 R)
• M7: 2,769,954 km (0.108 R)
• M8: 3,469,025 km (0.12 R)
• M9: 4,175,576 km (0.067 R)
• M10: 5,318,354 km (0.063 R)
• M11: 7,303,518 km (0.079 R)
• M12: 8,575,997 km (0.07 R)
• M13: 9,070,717 km (0.043 R)
• M14: 9,492,434 km (0.029 R)
• M15: 10,473,048 km (0.092 R)
• M16: 11,589,497 km (0.099 R)
• M17: 11,942,996 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 10.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.86 AU - 2.68 AU

Year: 2175 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,402,713 km

• M1: 132,245 km (0.089 R)
• M2: 501,901 km (0.086 R)
• M3: 1,040,453 km (0.089 R)
• M4: 1,371,064 km (0.056 R)
• M5: 2,009,249 km (0.062 R)
• M6: 2,442,185 km (0.087 R)
• M7: 2,951,716 km (0.108 R)
• M8: 4,355,392 km (0.118 R)
• M9: 4,938,076 km (0.073 R)
• M10: 5,369,666 km (0.066 R)
• M11: 5,732,890 km (0.051 R)
• M12: 6,284,008 km (0.083 R)
• M13: 7,190,122 km (0.063 R)
• M14: 8,034,154 km (0.053 R)
• M15: 9,751,388 km (0.101 R)
• M16: 12,907,753 km (0.116 R)
• M17: 13,771,232 km (0.067 R)
• M18: 14,541,511 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 8.5

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.48 AU - 3.86 AU

Year: 3589 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,402,713 km

• M1: 105,766 km (0.074 R)
• M2: 376,388 km (0.114 R)
• M3: 697,425 km (0.099 R)
• M4: 1,440,927 km (0.091 R)
• M5: 1,719,927 km (0.036 R)
• M6: 2,374,118 km (0.108 R)
• M7: 3,447,483 km (0.074 R)
• M8: 3,995,460 km (0.118 R)
• M9: 4,279,546 km (0.105 R)
• M10: 4,647,557 km (0.118 R)
• M11: 5,011,678 km (0.106 R)
• M12: 5,447,457 km (0.107 R)
• M13: 7,253,851 km (0.052 R)
• M14: 8,504,639 km (0.101 R)
• M15: 10,662,738 km (0.106 R)
• M16: 13,354,153 km (0.079 R)
• M17: 14,192,350 km (0.114 R)
• M18: 15,064,954 km (0.062 R)
• M19: 16,468,182 km (0.113 R)
• M20: 17,489,337 km (0.097 R)
• M21: 18,672,956 km (0.096 R)
• M22: 19,594,927 km (0.075 R)
• M23: 21,796,859 km (0.115 R)
• M24: 23,096,714 km (0.028 R)
• M25: 23,729,962 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 14.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.83 AU - 6.01 AU

Year: 9158 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,402,713 km

• M1: 191,036 km (0.088 R)
• M2: 707,448 km (0.094 R)
• M3: 1,284,447 km (0.092 R)
• M4: 2,817,526 km (0.088 R)
• M5: 3,737,852 km (0.068 R)
• M6: 5,182,220 km (0.111 R)
• M7: 5,799,610 km (0.07 R)
• M8: 7,007,314 km (0.073 R)
• M9: 8,654,835 km (0.096 R)
• M10: 11,494,352 km (0.055 R)
• M11: 12,139,269 km (0.105 R)
• M12: 12,966,246 km (0.04 R)
• M13: 13,665,466 km (0.082 R)
• M14: 15,375,520 km (0.115 R)
• M15: 23,342,055 km (0.113 R)
• M16: 23,896,016 km (0.062 R)
• M17: 25,278,001 km (0.074 R)
• M18: 29,744,096 km (0.086 R)
• M19: 31,342,699 km (0.096 R)
• M20: 33,097,033 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.4

Radius: 3.8

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.63 AU - 7.99 AU

Year: 11299 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,402,713 km

• M1: 48,619 km (0.084 R)
• M2: 205,248 km (0.048 R)
• M3: 439,967 km (0.117 R)
• M4: 809,773 km (0.092 R)
• M5: 1,161,777 km (0.072 R)
• M6: 1,649,915 km (0.12 R)
• M7: 2,027,650 km (0.106 R)
• M8: 2,554,084 km (0.051 R)
• M9: 2,748,412 km (0.047 R)
• M10: 4,101,525 km (0.082 R)
• M11: 4,818,697 km (0.095 R)
• M12: 7,158,857 km (0.075 R)
• M13: 8,657,827 km (0.098 R)
• M14: 9,051,868 km (0.07 R)
• M15: 9,411,950 km (0.071 R)
• M16: 12,478,706 km (0.081 R)
• M17: 14,265,803 km (0.071 R)
• M18: 15,063,458 km (0.044 R)
• M19: 15,188,821 km (0.091 R)
• M20: 18,409,215 km (0.104 R)
• M21: 29,059,686 km (0.117 R)
• M22: 29,351,401 km (0.037 R)
• M23: 30,940,430 km (0.106 R)
• M24: 32,169,227 km (0.114 R)
• M25: 35,162,082 km (0.11 R)
• M26: 36,952,918 km (0.069 R)
• M27: 39,275,874 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 6.4

Gravity: 22.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 10.22 AU - 12.14 AU

Year: 23768 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,402,713 km

• M1: 80,184 km (0.117 R)
• M2: 343,926 km (0.082 R)
• M3: 543,040 km (0.065 R)
• M4: 916,287 km (0.103 R)
• M5: 1,303,745 km (0.119 R)
• M6: 1,553,424 km (0.11 R)
• M7: 3,084,259 km (0.085 R)
• M8: 3,438,507 km (0.08 R)
• M9: 3,786,920 km (0.09 R)
• M10: 4,704,105 km (0.066 R)
• M11: 5,936,941 km (0.119 R)
• M12: 7,737,052 km (0.05 R)
• M13: 8,224,442 km (0.077 R)
• M14: 14,523,260 km (0.093 R)
• M15: 16,117,525 km (0.062 R)
• M16: 19,649,232 km (0.1 R)
• M17: 22,777,622 km (0.119 R)
• M18: 22,997,381 km (0.112 R)
• M19: 25,983,056 km (0.106 R)
• M20: 26,951,403 km (0.079 R)
• M21: 27,197,042 km (0.086 R)
• M22: 28,195,159 km (0.036 R)
• M23: 31,744,070 km (0.106 R)
• M24: 33,554,354 km (0.107 R)
• M25: 37,685,050 km (0.101 R)
• M26: 42,806,533 km (0.11 R)
• M27: 46,584,627 km (0.115 R)
• M28: 51,896,249 km (0.12 R)
• M29: 56,586,442 km (0.107 R)
• M30: 58,621,272 km (0.117 R)
• M31: 70,691,127 km (0.102 R)
• M32: 73,767,608 km (0.119 R)
• M33: 75,949,044 km (0.085 R)
• M34: 77,675,104 km (0.12 R)
• M35: 81,718,435 km (0.11 R)
• M36: 85,369,521 km (0.052 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: 228 - 12,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit