🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 12.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.92 AU - 1.04 AU

Year: 647 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,498,710 km

• M1: 160,369 km (0.118 R)
• M2: 585,077 km (0.088 R)
• M3: 1,059,303 km (0.102 R)
• M4: 2,252,495 km (0.099 R)
• M5: 2,794,039 km (0.065 R)
• M6: 3,248,817 km (0.11 R)
• M7: 3,786,472 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.71 AU - 2.11 AU

Year: 1760 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,498,710 km

• M1: 184,155 km (0.063 R)
• M2: 789,727 km (0.097 R)
• M3: 1,706,014 km (0.112 R)
• M4: 2,320,562 km (0.1 R)
• M5: 2,922,095 km (0.096 R)
• M6: 3,389,888 km (0.053 R)
• M7: 4,136,531 km (0.052 R)
• M8: 4,953,185 km (0.12 R)
• M9: 5,853,914 km (0.11 R)
• M10: 6,490,752 km (0.096 R)
• M11: 6,980,386 km (0.074 R)
• M12: 7,494,853 km (0.097 R)
• M13: 8,710,934 km (0.098 R)
• M14: 9,721,618 km (0.087 R)
• M15: 10,302,357 km (0.116 R)
• M16: 10,906,134 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 13

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.74 AU - 2.22 AU

Year: 1858 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,498,710 km

• M1: 161,715 km (0.116 R)
• M2: 569,220 km (0.108 R)
• M3: 1,348,774 km (0.077 R)
• M4: 1,786,348 km (0.098 R)
• M5: 2,477,490 km (0.083 R)
• M6: 3,421,752 km (0.098 R)
• M7: 4,037,796 km (0.107 R)
• M8: 5,474,534 km (0.106 R)
• M9: 7,388,190 km (0.103 R)
• M10: 8,197,515 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 8.1

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.74 AU - 3.96 AU

Year: 4089 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,498,710 km

• M1: 108,608 km (0.105 R)
• M2: 365,617 km (0.113 R)
• M3: 720,164 km (0.103 R)
• M4: 986,598 km (0.1 R)
• M5: 1,476,681 km (0.115 R)
• M6: 1,865,934 km (0.078 R)
• M7: 2,307,846 km (0.102 R)
• M8: 2,903,844 km (0.085 R)
• M9: 3,639,267 km (0.115 R)
• M10: 4,540,146 km (0.07 R)
• M11: 4,854,900 km (0.082 R)
• M12: 5,420,679 km (0.103 R)
• M13: 6,116,159 km (0.083 R)
• M14: 6,995,944 km (0.08 R)
• M15: 7,416,614 km (0.058 R)
• M16: 8,488,183 km (0.103 R)
• M17: 9,309,027 km (0.094 R)
• M18: 9,738,821 km (0.09 R)
• M19: 11,021,324 km (0.04 R)
• M20: 11,725,631 km (0.113 R)
• M21: 12,043,077 km (0.116 R)
• M22: 13,518,412 km (0.079 R)
• M23: 14,583,997 km (0.117 R)
• M24: 14,951,260 km (0.036 R)
• M25: 22,665,573 km (0.106 R)
• M26: 23,158,648 km (0.102 R)
• M27: 24,239,343 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 9.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.23 AU - 4.71 AU

Year: 5275 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,498,710 km

• M1: 133,292 km (0.107 R)
• M2: 568,771 km (0.076 R)
• M3: 955,930 km (0.044 R)
• M4: 1,612,067 km (0.092 R)
• M5: 2,430,816 km (0.034 R)
• M6: 3,053,442 km (0.1 R)
• M7: 3,525,124 km (0.105 R)
• M8: 4,136,381 km (0.101 R)
• M9: 6,124,238 km (0.066 R)
• M10: 7,480,492 km (0.091 R)
• M11: 11,871,339 km (0.06 R)
• M12: 12,204,344 km (0.104 R)
• M13: 14,175,445 km (0.066 R)
• M14: 15,602,011 km (0.031 R)
• M15: 18,546,695 km (0.095 R)
• M16: 20,658,269 km (0.12 R)
• M17: 21,210,285 km (0.095 R)
• M18: 27,365,789 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 9.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.73 AU - 6.11 AU

Year: 8415 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,498,710 km

• M1: 123,418 km (0.079 R)
• M2: 597,195 km (0.115 R)
• M3: 1,007,691 km (0.093 R)
• M4: 1,399,338 km (0.114 R)
• M5: 1,922,781 km (0.097 R)
• M6: 2,317,869 km (0.067 R)
• M7: 4,200,559 km (0.03 R)
• M8: 4,611,654 km (0.112 R)
• M9: 5,140,332 km (0.062 R)
• M10: 5,741,865 km (0.089 R)
• M11: 6,249,301 km (0.091 R)
• M12: 6,897,359 km (0.108 R)
• M13: 8,243,291 km (0.064 R)
• M14: 9,248,140 km (0.05 R)
• M15: 10,138,248 km (0.085 R)
• M16: 11,979,797 km (0.116 R)
• M17: 13,676,537 km (0.081 R)
• M18: 17,680,823 km (0.097 R)
• M19: 18,034,323 km (0.061 R)
• M20: 19,123,245 km (0.117 R)
• M21: 19,873,180 km (0.091 R)
• M22: 20,332,445 km (0.098 R)
• M23: 20,877,131 km (0.091 R)
• M24: 22,404,974 km (0.057 R)
• M25: 27,246,260 km (0.045 R)
• M26: 28,004,123 km (0.096 R)
• M27: 28,388,141 km (0.098 R)
• M28: 30,260,956 km (0.103 R)
• M29: 32,005,268 km (0.061 R)
• M30: 32,742,486 km (0.06 R)
• M31: 33,276,102 km (0.085 R)
• M32: 35,918,299 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 11.1

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.32 AU - 5.8 AU

Year: 8743 Days

Day: 14.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,498,710 km

• M1: 138,528 km (0.09 R)
• M2: 484,248 km (0.112 R)
• M3: 1,711,250 km (0.114 R)
• M4: 2,478,089 km (0.084 R)
• M5: 3,153,074 km (0.078 R)
• M6: 4,420,019 km (0.117 R)
• M7: 5,719,276 km (0.111 R)
• M8: 9,832,170 km (0.102 R)
• M9: 10,391,218 km (0.085 R)
• M10: 11,025,213 km (0.113 R)
• M11: 14,589,832 km (0.116 R)
• M12: 16,846,366 km (0.113 R)
• M13: 19,642,500 km (0.08 R)
• M14: 20,448,383 km (0.098 R)
• M15: 22,646,874 km (0.079 R)
• M16: 23,443,333 km (0.11 R)
• M17: 24,534,051 km (0.096 R)
• M18: 25,279,946 km (0.052 R)
• M19: 26,524,002 km (0.092 R)
• M20: 26,914,901 km (0.103 R)
• M21: 28,927,441 km (0.092 R)
• M22: 29,341,678 km (0.107 R)
• M23: 31,146,426 km (0.097 R)
• M24: 33,704,550 km (0.108 R)
• M25: 35,920,842 km (0.069 R)
• M26: 37,984,695 km (0.113 R)
• M27: 40,642,002 km (0.108 R)
• M28: 42,881,930 km (0.069 R)
• M29: 43,963,972 km (0.09 R)
• M30: 46,465,099 km (0.119 R)
• M31: 47,033,571 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.8

Radius: 6.1

Gravity: 24.05 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.4 AU - 7.26 AU

Year: 11903 Days

Day: 17.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,498,710 km

• M1: 99,632 km (0.102 R)
• M2: 628,012 km (0.116 R)
• M3: 898,634 km (0.073 R)
• M4: 1,379,891 km (0.111 R)
• M5: 4,307,072 km (0.073 R)
• M6: 8,292,509 km (0.087 R)
• M7: 10,397,650 km (0.063 R)
• M8: 10,903,441 km (0.112 R)
• M9: 11,366,596 km (0.114 R)
• M10: 11,602,960 km (0.087 R)
• M11: 15,628,190 km (0.117 R)
• M12: 21,201,010 km (0.118 R)
• M13: 23,318,269 km (0.093 R)
• M14: 24,086,454 km (0.116 R)
• M15: 29,943,510 km (0.098 R)
• M16: 32,364,003 km (0.086 R)
• M17: 34,293,666 km (0.119 R)
• M18: 41,370,842 km (0.12 R)
• M19: 48,893,371 km (0.084 R)
• M20: 50,150,442 km (0.066 R)
• M21: 53,386,992 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.5

Radius: 7.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.96 AU - 6.96 AU

Year: 12245 Days

Day: 22.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,498,710 km

• M1: 105,018 km (0.088 R)
• M2: 437,424 km (0.094 R)
• M3: 918,531 km (0.114 R)
• M4: 1,246,150 km (0.072 R)
• M5: 2,195,050 km (0.065 R)
• M6: 2,820,817 km (0.108 R)
• M7: 4,422,263 km (0.033 R)
• M8: 5,143,025 km (0.055 R)
• M9: 5,493,234 km (0.057 R)
• M10: 6,727,715 km (0.078 R)
• M11: 13,394,545 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 5.3

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.9 AU - 10.9 AU

Year: 20772 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,498,710 km

• M1: 68,665 km (0.08 R)
• M2: 300,243 km (0.109 R)
• M3: 534,663 km (0.092 R)
• M4: 921,822 km (0.06 R)
• M5: 1,190,350 km (0.062 R)
• M6: 1,959,433 km (0.111 R)
• M7: 2,966,975 km (0.109 R)
• M8: 4,576,648 km (0.025 R)
• M9: 4,957,075 km (0.067 R)
• M10: 6,143,237 km (0.102 R)
• M11: 9,061,293 km (0.08 R)
• M12: 9,330,569 km (0.091 R)
• M13: 10,286,350 km (0.094 R)
• M14: 10,638,653 km (0.088 R)
• M15: 12,390,593 km (0.106 R)
• M16: 16,693,926 km (0.119 R)
• M17: 23,274,138 km (0.101 R)
• M18: 24,811,854 km (0.038 R)
• M19: 29,124,162 km (0.095 R)
• M20: 31,272,836 km (0.095 R)
• M21: 33,396,977 km (0.105 R)
• M22: 34,559,651 km (0.066 R)
• M23: 36,556,932 km (0.084 R)
• M24: 37,376,878 km (0.119 R)
• M25: 37,652,886 km (0.101 R)
• M26: 41,661,511 km (0.086 R)
• M27: 50,513,815 km (0.11 R)
• M28: 60,161,681 km (0.043 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 16,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit