🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 8.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.7 AU - 0.8 AU

Year: 448 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,366,742 km

• M1: 104,419 km (0.08 R)
• M2: 404,662 km (0.113 R)
• M3: 704,756 km (0.046 R)
• M4: 1,031,328 km (0.112 R)
• M5: 1,326,484 km (0.056 R)
• M6: 1,635,703 km (0.087 R)
• M7: 2,573,083 km (0.059 R)
• M8: 2,950,968 km (0.099 R)
• M9: 3,556,689 km (0.099 R)
• M10: 3,960,903 km (0.088 R)
• M11: 4,284,034 km (0.115 R)
• M12: 4,552,263 km (0.102 R)
• M13: 4,983,404 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.7

Radius: 12.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.05 AU - 1.35 AU

Year: 907 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,366,742 km

• M1: 153,039 km (0.04 R)
• M2: 598,840 km (0.103 R)
• M3: 993,479 km (0.09 R)
• M4: 1,392,607 km (0.038 R)
• M5: 1,873,863 km (0.091 R)
• M6: 2,344,498 km (0.05 R)
• M7: 2,995,847 km (0.025 R)
• M8: 3,557,437 km (0.087 R)
• M9: 4,984,302 km (0.115 R)
• M10: 5,981,820 km (0.105 R)
• M11: 6,451,259 km (0.058 R)
• M12: 6,899,454 km (0.092 R)
• M13: 7,392,229 km (0.076 R)
• M14: 8,501,647 km (0.046 R)
• M15: 9,041,247 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 14.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.36 AU - 1.66 AU

Year: 1281 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,366,742 km

• M1: 184,005 km (0.089 R)
• M2: 659,876 km (0.077 R)
• M3: 1,227,899 km (0.093 R)
• M4: 1,799,363 km (0.082 R)
• M5: 2,296,926 km (0.06 R)
• M6: 2,833,234 km (0.086 R)
• M7: 3,438,058 km (0.094 R)
• M8: 3,905,252 km (0.114 R)
• M9: 5,549,333 km (0.049 R)
• M10: 7,432,471 km (0.107 R)
• M11: 8,192,877 km (0.076 R)
• M12: 9,430,500 km (0.1 R)
• M13: 10,322,702 km (0.102 R)
• M14: 10,925,581 km (0.085 R)
• M15: 11,765,873 km (0.115 R)
• M16: 12,386,704 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 14.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.51 AU - 1.71 AU

Year: 1410 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,366,742 km

• M1: 180,265 km (0.103 R)
• M2: 644,168 km (0.12 R)
• M3: 1,454,690 km (0.084 R)
• M4: 2,044,704 km (0.076 R)
• M5: 2,567,997 km (0.105 R)
• M6: 3,475,009 km (0.071 R)
• M7: 4,265,484 km (0.103 R)
• M8: 4,803,438 km (0.089 R)
• M9: 5,763,856 km (0.101 R)
• M10: 6,646,484 km (0.114 R)
• M11: 7,133,874 km (0.057 R)
• M12: 9,422,721 km (0.071 R)
• M13: 13,294,763 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 13.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.28 AU - 2.13 AU

Year: 1530 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,366,742 km

• M1: 165,455 km (0.112 R)
• M2: 651,648 km (0.119 R)
• M3: 1,191,697 km (0.115 R)
• M4: 1,791,883 km (0.046 R)
• M5: 2,432,013 km (0.098 R)
• M6: 2,873,326 km (0.097 R)
• M7: 3,629,095 km (0.027 R)
• M8: 4,175,127 km (0.117 R)
• M9: 4,833,058 km (0.095 R)
• M10: 5,412,601 km (0.095 R)
• M11: 6,333,974 km (0.052 R)
• M12: 6,906,036 km (0.074 R)
• M13: 7,801,978 km (0.052 R)
• M14: 8,403,810 km (0.054 R)
• M15: 9,981,918 km (0.099 R)
• M16: 10,495,039 km (0.089 R)
• M17: 11,025,812 km (0.119 R)
• M18: 11,962,145 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 11.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.77 AU - 2.09 AU

Year: 1851 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,366,742 km

• M1: 138,677 km (0.032 R)
• M2: 737,966 km (0.103 R)
• M3: 2,491,852 km (0.061 R)
• M4: 3,160,105 km (0.12 R)
• M5: 3,595,884 km (0.111 R)
• M6: 6,637,957 km (0.093 R)
• M7: 7,356,475 km (0.059 R)
• M8: 7,835,039 km (0.057 R)
• M9: 9,494,678 km (0.106 R)
• M10: 11,751,362 km (0.037 R)
• M11: 13,289,976 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 14

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.09 AU - 3.45 AU

Year: 3182 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,366,742 km

• M1: 174,132 km (0.082 R)
• M2: 625,170 km (0.102 R)
• M3: 1,393,504 km (0.09 R)
• M4: 1,881,792 km (0.09 R)
• M5: 2,403,439 km (0.12 R)
• M6: 3,086,054 km (0.099 R)
• M7: 4,228,683 km (0.109 R)
• M8: 5,760,864 km (0.11 R)
• M9: 6,301,960 km (0.074 R)
• M10: 6,764,816 km (0.048 R)
• M11: 7,944,395 km (0.116 R)
• M12: 8,583,627 km (0.053 R)
• M13: 11,056,479 km (0.079 R)
• M14: 11,936,265 km (0.094 R)
• M15: 12,605,117 km (0.053 R)
• M16: 14,527,000 km (0.109 R)
• M17: 15,241,330 km (0.072 R)
• M18: 18,117,200 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 13.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4 AU - 4.98 AU

Year: 6567 Days

Day: 6.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,366,742 km

• M1: 168,597 km (0.044 R)
• M2: 623,674 km (0.061 R)
• M3: 1,088,474 km (0.056 R)
• M4: 1,508,844 km (0.116 R)
• M5: 2,040,964 km (0.085 R)
• M6: 2,772,797 km (0.04 R)
• M7: 3,515,101 km (0.076 R)
• M8: 4,206,393 km (0.118 R)
• M9: 4,930,147 km (0.103 R)
• M10: 5,488,147 km (0.078 R)
• M11: 6,253,191 km (0.104 R)
• M12: 7,015,991 km (0.091 R)
• M13: 7,762,334 km (0.117 R)
• M14: 8,235,213 km (0.065 R)
• M15: 9,458,176 km (0.058 R)
• M16: 10,559,067 km (0.093 R)
• M17: 12,053,400 km (0.074 R)
• M18: 12,797,051 km (0.099 R)
• M19: 15,152,320 km (0.092 R)
• M20: 15,581,516 km (0.091 R)
• M21: 17,783,447 km (0.032 R)
• M22: 20,631,042 km (0.093 R)
• M23: 21,928,804 km (0.027 R)
• M24: 22,557,863 km (0.105 R)
• M25: 23,037,623 km (0.098 R)
• M26: 27,667,677 km (0.069 R)
• M27: 35,830,635 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 11.6

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.72 AU - 5.9 AU

Year: 7282 Days

Day: 8 Hours

Environment

Temp: -231 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,366,742 km

• M1: 144,960 km (0.071 R)
• M2: 593,455 km (0.054 R)
• M3: 1,291,628 km (0.075 R)
• M4: 1,987,408 km (0.11 R)
• M5: 3,449,278 km (0.088 R)
• M6: 3,812,651 km (0.079 R)
• M7: 4,732,678 km (0.085 R)
• M8: 5,214,234 km (0.08 R)
• M9: 6,858,464 km (0.12 R)
• M10: 7,923,002 km (0.097 R)
• M11: 9,369,913 km (0.113 R)
• M12: 10,378,203 km (0.092 R)
• M13: 11,193,810 km (0.094 R)
• M14: 11,724,883 km (0.074 R)
• M15: 13,068,571 km (0.048 R)
• M16: 13,898,241 km (0.106 R)
• M17: 14,637,104 km (0.081 R)
• M18: 16,599,081 km (0.066 R)
• M19: 18,730,401 km (0.106 R)
• M20: 19,632,028 km (0.119 R)
• M21: 23,186,772 km (0.047 R)
• M22: 24,402,405 km (0.117 R)
• M23: 26,490,941 km (0.107 R)
• M24: 27,626,688 km (0.092 R)
• M25: 28,012,351 km (0.117 R)
• M26: 31,647,430 km (0.083 R)
• M27: 32,389,136 km (0.063 R)
• M28: 33,577,840 km (0.057 R)
• M29: 38,027,629 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.4

Radius: 5.9

Gravity: 20.29 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.53 AU - 6.85 AU

Year: 9369 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,366,742 km

• M1: 73,453 km (0.05 R)
• M2: 325,824 km (0.089 R)
• M3: 600,635 km (0.047 R)
• M4: 1,111,512 km (0.112 R)
• M5: 1,335,909 km (0.111 R)
• M6: 1,909,018 km (0.077 R)
• M7: 3,602,018 km (0.066 R)
• M8: 3,831,650 km (0.03 R)
• M9: 5,722,268 km (0.032 R)
• M10: 7,526,119 km (0.105 R)
• M11: 7,859,723 km (0.032 R)
• M12: 8,782,592 km (0.102 R)
• M13: 9,532,825 km (0.108 R)
• M14: 9,824,840 km (0.12 R)
• M15: 10,274,083 km (0.117 R)
• M16: 10,632,818 km (0.085 R)
• M17: 11,538,933 km (0.05 R)
• M18: 11,870,741 km (0.115 R)
• M19: 13,022,794 km (0.102 R)
• M20: 13,625,972 km (0.048 R)
• M21: 13,934,443 km (0.103 R)
• M22: 15,215,151 km (0.071 R)
• M23: 15,884,003 km (0.092 R)
• M24: 17,280,349 km (0.077 R)
• M25: 23,509,904 km (0.072 R)
• M26: 23,953,761 km (0.107 R)
• M27: 24,766,825 km (0.099 R)
• M28: 26,447,707 km (0.079 R)
• M29: 27,806,654 km (0.112 R)
• M30: 28,704,391 km (0.063 R)
• M31: 28,906,497 km (0.099 R)
• M32: 29,827,721 km (0.091 R)
• M33: 32,929,334 km (0.117 R)
• M34: 33,821,236 km (0.049 R)
• M35: 38,523,845 km (0.11 R)
• M36: 39,389,269 km (0.099 R)
• M37: 42,980,815 km (0.096 R)
• M38: 43,378,147 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 14,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit