🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 11.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.79 AU - 0.95 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,619,102 km

• M1: 143,016 km (0.077 R)
• M2: 523,593 km (0.092 R)
• M3: 1,004,550 km (0.088 R)
• M4: 1,516,474 km (0.087 R)
• M5: 1,977,534 km (0.052 R)
• M6: 2,466,121 km (0.114 R)
• M7: 2,866,594 km (0.054 R)
• M8: 3,531,856 km (0.075 R)
• M9: 4,043,780 km (0.09 R)
• M10: 4,435,427 km (0.11 R)
• M11: 5,093,658 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 11.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.67 AU - 1.09 AU

Year: 570 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,619,102 km

• M1: 141,968 km (0.058 R)
• M2: 573,857 km (0.097 R)
• M3: 1,074,711 km (0.086 R)
• M4: 1,528,292 km (0.096 R)
• M5: 3,105,353 km (0.082 R)
• M6: 3,809,959 km (0.047 R)
• M7: 4,465,945 km (0.101 R)
• M8: 4,933,289 km (0.03 R)
• M9: 6,457,093 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 10

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.45 AU - 2.23 AU

Year: 1723 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,619,102 km

• M1: 124,465 km (0.091 R)
• M2: 460,313 km (0.117 R)
• M3: 1,208,751 km (0.047 R)
• M4: 1,673,851 km (0.116 R)
• M5: 2,344,647 km (0.032 R)
• M6: 2,799,275 km (0.078 R)
• M7: 3,870,995 km (0.074 R)
• M8: 4,670,146 km (0.068 R)
• M9: 6,480,131 km (0.102 R)
• M10: 7,380,112 km (0.089 R)
• M11: 8,939,520 km (0.061 R)
• M12: 10,237,581 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 9.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.84 AU - 3.12 AU

Year: 3551 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,619,102 km

• M1: 115,639 km (0.063 R)
• M2: 467,643 km (0.102 R)
• M3: 787,782 km (0.093 R)
• M4: 1,157,140 km (0.098 R)
• M5: 1,823,299 km (0.037 R)
• M6: 2,185,326 km (0.083 R)
• M7: 4,009,223 km (0.094 R)
• M8: 4,626,464 km (0.049 R)
• M9: 5,546,640 km (0.095 R)
• M10: 6,050,187 km (0.11 R)
• M11: 8,161,910 km (0.113 R)
• M12: 10,345,740 km (0.095 R)
• M13: 10,893,567 km (0.112 R)
• M14: 11,549,704 km (0.09 R)
• M15: 16,501,992 km (0.036 R)
• M16: 18,141,285 km (0.079 R)
• M17: 18,690,608 km (0.037 R)
• M18: 19,000,575 km (0.099 R)
• M19: 22,992,445 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 13

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.36 AU - 4.04 AU

Year: 4913 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,619,102 km

• M1: 161,715 km (0.093 R)
• M2: 928,404 km (0.087 R)
• M3: 1,423,424 km (0.11 R)
• M4: 1,942,977 km (0.067 R)
• M5: 2,410,770 km (0.104 R)
• M6: 2,828,297 km (0.1 R)
• M7: 3,577,932 km (0.101 R)
• M8: 4,703,806 km (0.102 R)
• M9: 5,253,428 km (0.068 R)
• M10: 6,965,277 km (0.115 R)
• M11: 10,913,165 km (0.066 R)
• M12: 11,927,737 km (0.109 R)
• M13: 12,654,783 km (0.117 R)
• M14: 14,684,078 km (0.102 R)
• M15: 16,445,444 km (0.072 R)
• M16: 16,922,062 km (0.083 R)
• M17: 21,778,308 km (0.085 R)
• M18: 22,353,512 km (0.037 R)
• M19: 24,989,726 km (0.104 R)
• M20: 27,743,075 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.3

Radius: 3.9

Gravity: 33.75 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.36 AU - 6.64 AU

Year: 11439 Days

Day: 21.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 92.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,619,102 km

• M1: 70,161 km (0.101 R)
• M2: 434,731 km (0.096 R)
• M3: 665,860 km (0.066 R)
• M4: 974,481 km (0.067 R)
• M5: 1,115,252 km (0.077 R)
• M6: 1,666,520 km (0.078 R)
• M7: 1,805,048 km (0.072 R)
• M8: 2,848,643 km (0.081 R)
• M9: 2,980,289 km (0.114 R)
• M10: 3,232,062 km (0.108 R)
• M11: 6,470,856 km (0.095 R)
• M12: 7,011,054 km (0.107 R)
• M13: 7,539,134 km (0.071 R)
• M14: 7,877,076 km (0.099 R)
• M15: 21,179,169 km (0.119 R)
• M16: 26,954,844 km (0.049 R)
• M17: 27,743,224 km (0.085 R)
• M18: 31,590,433 km (0.111 R)
• M19: 37,212,022 km (0.103 R)
• M20: 41,873,491 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 15,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit