🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 13.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.57 AU - 0.89 AU

Year: 431 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,879,468 km

• M1: 165,455 km (0.055 R)
• M2: 587,770 km (0.08 R)
• M3: 1,274,723 km (0.096 R)
• M4: 1,969,157 km (0.106 R)
• M5: 2,413,612 km (0.114 R)
• M6: 2,876,169 km (0.09 R)
• M7: 4,095,541 km (0.092 R)
• M8: 4,525,934 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 10.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.98 AU - 1.28 AU

Year: 829 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,879,468 km

• M1: 126,859 km (0.079 R)
• M2: 485,146 km (0.09 R)
• M3: 834,307 km (0.088 R)
• M4: 1,183,768 km (0.078 R)
• M5: 1,615,956 km (0.069 R)
• M6: 2,816,928 km (0.088 R)
• M7: 3,190,773 km (0.104 R)
• M8: 3,568,807 km (0.099 R)
• M9: 4,466,095 km (0.103 R)
• M10: 5,275,419 km (0.057 R)
• M11: 5,645,375 km (0.038 R)
• M12: 6,158,645 km (0.115 R)
• M13: 6,702,733 km (0.118 R)
• M14: 7,113,977 km (0.098 R)
• M15: 7,590,746 km (0.11 R)
• M16: 8,190,932 km (0.114 R)
• M17: 8,555,502 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.6

Radius: 14.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.07 AU - 1.31 AU

Year: 896 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,879,468 km

• M1: 180,864 km (0.113 R)
• M2: 811,718 km (0.087 R)
• M3: 1,305,241 km (0.025 R)
• M4: 1,987,109 km (0.079 R)
• M5: 2,636,812 km (0.069 R)
• M6: 3,668,888 km (0.076 R)
• M7: 4,270,570 km (0.077 R)
• M8: 4,883,922 km (0.032 R)
• M9: 7,899,067 km (0.049 R)
• M10: 8,536,354 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 8.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.24 AU - 1.24 AU

Year: 953 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,879,468 km

• M1: 109,506 km (0.095 R)
• M2: 458,667 km (0.066 R)
• M3: 855,849 km (0.058 R)
• M4: 1,349,074 km (0.099 R)
• M5: 1,853,966 km (0.091 R)
• M6: 2,257,133 km (0.075 R)
• M7: 3,216,504 km (0.118 R)
• M8: 3,883,112 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 13.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.32 AU - 1.96 AU

Year: 1450 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,879,468 km

• M1: 172,038 km (0.112 R)
• M2: 814,261 km (0.083 R)
• M3: 1,292,077 km (0.049 R)
• M4: 1,907,672 km (0.106 R)
• M5: 2,607,341 km (0.052 R)
• M6: 3,159,956 km (0.102 R)
• M7: 3,620,867 km (0.107 R)
• M8: 4,274,759 km (0.112 R)
• M9: 5,502,060 km (0.078 R)
• M10: 6,030,589 km (0.114 R)
• M11: 8,344,569 km (0.097 R)
• M12: 9,075,654 km (0.106 R)
• M13: 9,717,130 km (0.088 R)
• M14: 10,184,025 km (0.103 R)
• M15: 12,242,043 km (0.094 R)
• M16: 13,635,547 km (0.08 R)
• M17: 14,477,932 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.5

Radius: 5.9

Gravity: 21.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.67 AU - 10.41 AU

Year: 18761 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,879,468 km

• M1: 73,602 km (0.031 R)
• M2: 313,408 km (0.096 R)
• M3: 856,149 km (0.088 R)
• M4: 1,297,014 km (0.081 R)
• M5: 1,840,951 km (0.07 R)
• M6: 2,324,302 km (0.097 R)
• M7: 2,667,180 km (0.102 R)
• M8: 3,149,185 km (0.053 R)
• M9: 4,122,020 km (0.119 R)
• M10: 5,205,108 km (0.074 R)
• M11: 8,325,570 km (0.12 R)
• M12: 8,908,404 km (0.102 R)
• M13: 10,514,636 km (0.075 R)
• M14: 11,971,121 km (0.094 R)
• M15: 13,413,843 km (0.08 R)
• M16: 16,971,878 km (0.06 R)
• M17: 17,563,388 km (0.076 R)
• M18: 19,511,452 km (0.109 R)
• M19: 21,994,178 km (0.072 R)
• M20: 23,002,767 km (0.111 R)
• M21: 31,316,369 km (0.091 R)
• M22: 32,850,496 km (0.111 R)
• M23: 34,300,249 km (0.098 R)
• M24: 34,973,140 km (0.113 R)
• M25: 42,039,545 km (0.115 R)
• M26: 43,276,719 km (0.072 R)
• M27: 48,300,665 km (0.105 R)
• M28: 54,424,304 km (0.119 R)
• M29: 54,789,173 km (0.074 R)
• M30: 60,849,383 km (0.08 R)
• M31: 66,090,544 km (0.094 R)
• M32: 68,820,556 km (0.114 R)
• M33: 70,537,341 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 3.6

Gravity: 25.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.03 AU - 11.33 AU

Year: 19199 Days

Day: 16.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,879,468 km

• M1: 51,611 km (0.036 R)
• M2: 186,997 km (0.093 R)
• M3: 405,111 km (0.086 R)
• M4: 528,529 km (0.117 R)
• M5: 1,170,603 km (0.069 R)
• M6: 1,669,662 km (0.055 R)
• M7: 2,085,544 km (0.079 R)
• M8: 2,317,869 km (0.074 R)
• M9: 2,588,791 km (0.103 R)
• M10: 8,413,683 km (0.089 R)
• M11: 11,623,306 km (0.059 R)
• M12: 12,104,861 km (0.063 R)
• M13: 26,654,451 km (0.118 R)
• M14: 34,201,364 km (0.086 R)
• M15: 34,692,195 km (0.104 R)
• M16: 35,562,555 km (0.063 R)
• M17: 49,944,596 km (0.051 R)
• M18: 55,484,205 km (0.065 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 12,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit