🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 9.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.16 AU - 1.26 AU

Year: 888 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 94.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,578,583 km

• M1: 121,922 km (0.055 R)
• M2: 487,988 km (0.105 R)
• M3: 1,081,443 km (0.086 R)
• M4: 1,395,449 km (0.054 R)
• M5: 1,730,249 km (0.075 R)
• M6: 2,205,521 km (0.045 R)
• M7: 2,675,857 km (0.029 R)
• M8: 2,989,414 km (0.11 R)
• M9: 3,499,693 km (0.108 R)
• M10: 4,694,680 km (0.028 R)
• M11: 5,224,406 km (0.067 R)
• M12: 7,034,241 km (0.055 R)
• M13: 7,568,007 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 10.3

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.58 AU - 1.96 AU

Year: 1570 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,578,583 km

• M1: 128,056 km (0.057 R)
• M2: 496,067 km (0.047 R)
• M3: 825,032 km (0.112 R)
• M4: 1,152,502 km (0.043 R)
• M5: 1,824,645 km (0.085 R)
• M6: 2,578,319 km (0.093 R)
• M7: 2,924,489 km (0.098 R)
• M8: 3,510,912 km (0.115 R)
• M9: 3,973,918 km (0.05 R)
• M10: 4,496,912 km (0.04 R)
• M11: 5,983,167 km (0.116 R)
• M12: 6,620,454 km (0.069 R)
• M13: 8,562,384 km (0.107 R)
• M14: 9,566,036 km (0.114 R)
• M15: 11,398,011 km (0.105 R)
• M16: 12,887,857 km (0.089 R)
• M17: 13,617,595 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 14.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.42 AU - 2.2 AU

Year: 1624 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,578,583 km

• M1: 180,116 km (0.044 R)
• M2: 696,378 km (0.107 R)
• M3: 2,162,437 km (0.046 R)
• M4: 2,637,410 km (0.111 R)
• M5: 3,089,346 km (0.112 R)
• M6: 4,133,838 km (0.051 R)
• M7: 4,749,134 km (0.117 R)
• M8: 5,425,017 km (0.098 R)
• M9: 5,943,075 km (0.106 R)
• M10: 7,526,867 km (0.076 R)
• M11: 8,417,274 km (0.108 R)
• M12: 8,984,699 km (0.114 R)
• M13: 10,021,711 km (0.111 R)
• M14: 10,988,712 km (0.049 R)
• M15: 13,829,276 km (0.101 R)
• M16: 14,846,093 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.8

Radius: 9.2

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.77 AU - 2.69 AU

Year: 2221 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,578,583 km

• M1: 115,340 km (0.088 R)
• M2: 424,110 km (0.049 R)
• M3: 870,211 km (0.118 R)
• M4: 1,515,127 km (0.053 R)
• M5: 1,856,061 km (0.083 R)
• M6: 2,754,845 km (0.114 R)
• M7: 3,100,865 km (0.057 R)
• M8: 3,388,093 km (0.078 R)
• M9: 4,155,081 km (0.072 R)
• M10: 4,484,346 km (0.052 R)
• M11: 6,319,612 km (0.069 R)
• M12: 8,219,655 km (0.075 R)
• M13: 10,065,244 km (0.072 R)
• M14: 11,883,307 km (0.11 R)
• M15: 12,338,533 km (0.115 R)
• M16: 15,173,562 km (0.103 R)
• M17: 15,513,299 km (0.12 R)
• M18: 17,605,725 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 10.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.17 AU - 4.25 AU

Year: 4765 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,578,583 km

• M1: 135,536 km (0.082 R)
• M2: 475,871 km (0.075 R)
• M3: 1,048,382 km (0.107 R)
• M4: 1,488,499 km (0.097 R)
• M5: 1,911,711 km (0.113 R)
• M6: 3,583,318 km (0.106 R)
• M7: 4,092,998 km (0.119 R)
• M8: 4,934,935 km (0.11 R)
• M9: 5,829,231 km (0.058 R)
• M10: 7,403,599 km (0.067 R)
• M11: 8,383,465 km (0.063 R)
• M12: 8,767,632 km (0.088 R)
• M13: 9,529,983 km (0.037 R)
• M14: 11,843,364 km (0.061 R)
• M15: 12,724,645 km (0.115 R)
• M16: 13,388,112 km (0.093 R)
• M17: 14,290,187 km (0.085 R)
• M18: 15,063,010 km (0.075 R)
• M19: 16,215,212 km (0.092 R)
• M20: 18,052,424 km (0.09 R)
• M21: 20,712,573 km (0.067 R)
• M22: 24,159,907 km (0.098 R)
• M23: 27,802,315 km (0.095 R)
• M24: 29,356,637 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 11.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.1 AU - 4.14 AU

Year: 5577 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,578,583 km

• M1: 138,079 km (0.1 R)
• M2: 493,972 km (0.078 R)
• M3: 931,396 km (0.119 R)
• M4: 1,428,061 km (0.041 R)
• M5: 1,895,106 km (0.117 R)
• M6: 2,251,448 km (0.081 R)
• M7: 2,852,981 km (0.095 R)
• M8: 3,515,550 km (0.098 R)
• M9: 4,131,744 km (0.111 R)
• M10: 4,953,933 km (0.086 R)
• M11: 7,522,080 km (0.072 R)
• M12: 8,706,147 km (0.079 R)
• M13: 9,661,928 km (0.115 R)
• M14: 10,457,639 km (0.089 R)
• M15: 11,537,287 km (0.031 R)
• M16: 12,586,566 km (0.083 R)
• M17: 13,161,022 km (0.097 R)
• M18: 14,475,240 km (0.077 R)
• M19: 16,299,586 km (0.073 R)
• M20: 17,490,833 km (0.106 R)
• M21: 18,405,176 km (0.034 R)
• M22: 19,557,827 km (0.091 R)
• M23: 21,120,227 km (0.048 R)
• M24: 21,857,146 km (0.12 R)
• M25: 26,052,768 km (0.113 R)
• M26: 27,331,232 km (0.096 R)
• M27: 27,854,226 km (0.079 R)
• M28: 28,383,802 km (0.062 R)
• M29: 30,476,377 km (0.025 R)
• M30: 30,944,619 km (0.115 R)
• M31: 32,184,336 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.6

Radius: 7.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.79 AU - 6.29 AU

Year: 9899 Days

Day: 24.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,578,583 km

• M1: 88,263 km (0.117 R)
• M2: 365,767 km (0.115 R)
• M3: 795,861 km (0.041 R)
• M4: 1,165,218 km (0.101 R)
• M5: 2,177,397 km (0.108 R)
• M6: 2,619,309 km (0.093 R)
• M7: 3,363,858 km (0.11 R)
• M8: 3,764,481 km (0.091 R)
• M9: 4,286,877 km (0.034 R)
• M10: 4,931,045 km (0.081 R)
• M11: 5,748,448 km (0.099 R)
• M12: 6,145,780 km (0.092 R)
• M13: 7,514,899 km (0.077 R)
• M14: 9,576,208 km (0.063 R)
• M15: 10,505,510 km (0.091 R)
• M16: 10,757,583 km (0.09 R)
• M17: 11,626,896 km (0.109 R)
• M18: 14,567,541 km (0.096 R)
• M19: 15,467,821 km (0.088 R)
• M20: 16,517,251 km (0.077 R)
• M21: 19,253,545 km (0.091 R)
• M22: 22,974,942 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.1

Radius: 6.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.94 AU - 7.36 AU

Year: 10170 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,578,583 km

• M1: 90,806 km (0.103 R)
• M2: 441,763 km (0.11 R)
• M3: 1,148,313 km (0.108 R)
• M4: 1,878,052 km (0.029 R)
• M5: 2,745,121 km (0.073 R)
• M6: 3,616,379 km (0.084 R)
• M7: 4,441,860 km (0.069 R)
• M8: 7,590,895 km (0.12 R)
• M9: 7,824,268 km (0.097 R)
• M10: 8,102,520 km (0.102 R)
• M11: 10,005,854 km (0.065 R)
• M12: 11,160,600 km (0.101 R)
• M13: 11,718,600 km (0.102 R)
• M14: 24,351,242 km (0.076 R)
• M15: 32,946,837 km (0.079 R)
• M16: 34,410,353 km (0.117 R)
• M17: 35,158,043 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 14,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit