🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 9.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.58 AU

Year: 256 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,227,224 km

• M1: 118,182 km (0.049 R)
• M2: 594,502 km (0.107 R)
• M3: 933,790 km (0.054 R)
• M4: 1,278,314 km (0.093 R)
• M5: 1,600,548 km (0.069 R)
• M6: 2,089,134 km (0.097 R)
• M7: 2,611,680 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 11.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.43 AU - 0.67 AU

Year: 287 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,227,224 km

• M1: 143,016 km (0.11 R)
• M2: 709,094 km (0.031 R)
• M3: 1,943,276 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 12.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.91 AU - 1.13 AU

Year: 724 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,227,224 km

• M1: 155,881 km (0.081 R)
• M2: 629,358 km (0.076 R)
• M3: 1,120,338 km (0.1 R)
• M4: 1,985,014 km (0.114 R)
• M5: 2,450,264 km (0.053 R)
• M6: 4,604,922 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.65 AU - 1.95 AU

Year: 1698 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,227,224 km

• M1: 100,380 km (0.077 R)
• M2: 390,750 km (0.08 R)
• M3: 659,876 km (0.102 R)
• M4: 940,522 km (0.075 R)
• M5: 1,201,420 km (0.094 R)
• M6: 1,511,537 km (0.08 R)
• M7: 2,023,311 km (0.099 R)
• M8: 2,554,982 km (0.106 R)
• M9: 2,958,896 km (0.065 R)
• M10: 3,467,679 km (0.079 R)
• M11: 3,844,067 km (0.075 R)
• M12: 4,544,484 km (0.058 R)
• M13: 5,159,780 km (0.108 R)
• M14: 6,080,405 km (0.069 R)
• M15: 6,434,504 km (0.051 R)
• M16: 6,902,595 km (0.091 R)
• M17: 8,329,310 km (0.095 R)
• M18: 9,878,097 km (0.041 R)
• M19: 10,568,491 km (0.042 R)
• M20: 10,874,120 km (0.064 R)
• M21: 11,538,633 km (0.04 R)
• M22: 12,909,847 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.9

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.77 AU - 2.65 AU

Year: 2309 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,227,224 km

• M1: 184,604 km (0.116 R)
• M2: 694,882 km (0.118 R)
• M3: 1,212,341 km (0.066 R)
• M4: 2,112,023 km (0.11 R)
• M5: 2,663,141 km (0.099 R)
• M6: 3,492,063 km (0.07 R)
• M7: 4,817,201 km (0.112 R)
• M8: 5,595,260 km (0.111 R)
• M9: 6,851,134 km (0.104 R)
• M10: 8,472,775 km (0.033 R)
• M11: 9,575,161 km (0.111 R)
• M12: 10,625,488 km (0.114 R)
• M13: 11,405,491 km (0.036 R)
• M14: 12,104,263 km (0.114 R)
• M15: 13,332,162 km (0.1 R)
• M16: 14,777,278 km (0.093 R)
• M17: 15,327,947 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 12

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.58 AU - 3.4 AU

Year: 3634 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,227,224 km

• M1: 150,346 km (0.114 R)
• M2: 807,978 km (0.108 R)
• M3: 1,364,781 km (0.087 R)
• M4: 2,199,089 km (0.116 R)
• M5: 2,915,064 km (0.084 R)
• M6: 3,837,784 km (0.101 R)
• M7: 4,422,263 km (0.111 R)
• M8: 6,959,742 km (0.083 R)
• M9: 8,019,044 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.83 AU - 4.53 AU

Year: 4962 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,227,224 km

• M1: 185,651 km (0.073 R)
• M2: 672,592 km (0.057 R)
• M3: 1,229,246 km (0.084 R)
• M4: 2,202,081 km (0.108 R)
• M5: 2,994,351 km (0.059 R)
• M6: 3,581,971 km (0.069 R)
• M7: 4,246,336 km (0.118 R)
• M8: 4,861,781 km (0.084 R)
• M9: 6,366,137 km (0.113 R)
• M10: 7,588,053 km (0.093 R)
• M11: 8,460,956 km (0.066 R)
• M12: 9,522,204 km (0.097 R)
• M13: 10,191,804 km (0.117 R)
• M14: 11,908,888 km (0.052 R)
• M15: 12,736,763 km (0.118 R)
• M16: 13,864,731 km (0.09 R)
• M17: 17,279,900 km (0.119 R)
• M18: 18,405,325 km (0.113 R)
• M19: 19,182,337 km (0.051 R)
• M20: 21,574,257 km (0.115 R)
• M21: 25,169,692 km (0.107 R)
• M22: 28,371,236 km (0.028 R)
• M23: 29,060,134 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 10.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.35 AU - 6.13 AU

Year: 8432 Days

Day: 6.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,227,224 km

• M1: 142,268 km (0.12 R)
• M2: 605,423 km (0.113 R)
• M3: 1,084,585 km (0.07 R)
• M4: 1,884,484 km (0.086 R)
• M5: 2,782,072 km (0.066 R)
• M6: 3,382,707 km (0.113 R)
• M7: 4,404,161 km (0.074 R)
• M8: 4,786,982 km (0.086 R)
• M9: 6,204,871 km (0.093 R)
• M10: 7,458,202 km (0.082 R)
• M11: 8,205,593 km (0.078 R)
• M12: 9,176,483 km (0.108 R)
• M13: 11,806,862 km (0.043 R)
• M14: 12,227,382 km (0.074 R)
• M15: 13,663,671 km (0.055 R)
• M16: 14,422,581 km (0.025 R)
• M17: 15,457,200 km (0.112 R)
• M18: 18,016,969 km (0.114 R)
• M19: 19,144,488 km (0.102 R)
• M20: 19,799,129 km (0.114 R)
• M21: 20,393,331 km (0.09 R)
• M22: 33,128,149 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.4

Radius: 5

Gravity: 38.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.44 AU - 8.38 AU

Year: 15638 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,227,224 km

• M1: 63,429 km (0.115 R)
• M2: 235,766 km (0.093 R)
• M3: 448,943 km (0.098 R)
• M4: 895,194 km (0.102 R)
• M5: 1,149,660 km (0.113 R)
• M6: 1,316,012 km (0.119 R)
• M7: 1,546,692 km (0.063 R)
• M8: 1,804,001 km (0.085 R)
• M9: 2,493,946 km (0.089 R)
• M10: 2,824,109 km (0.085 R)
• M11: 3,156,216 km (0.09 R)
• M12: 4,646,211 km (0.082 R)
• M13: 4,820,642 km (0.082 R)
• M14: 6,293,732 km (0.046 R)
• M15: 6,638,256 km (0.12 R)
• M16: 7,411,976 km (0.078 R)
• M17: 9,136,989 km (0.111 R)
• M18: 10,805,903 km (0.074 R)
• M19: 11,873,284 km (0.109 R)
• M20: 15,186,877 km (0.111 R)
• M21: 18,627,328 km (0.097 R)
• M22: 18,802,956 km (0.092 R)
• M23: 21,766,789 km (0.115 R)
• M24: 24,288,112 km (0.05 R)
• M25: 25,134,387 km (0.12 R)
• M26: 26,551,228 km (0.102 R)
• M27: 29,305,176 km (0.062 R)
• M28: 30,996,529 km (0.103 R)
• M29: 33,653,836 km (0.093 R)
• M30: 36,049,197 km (0.066 R)
• M31: 43,912,959 km (0.044 R)
• M32: 44,851,386 km (0.111 R)
• M33: 51,108,018 km (0.095 R)
• M34: 70,083,910 km (0.1 R)
• M35: 70,296,189 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit