🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

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: 140.3

Radius: 11.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.7 AU - 1.04 AU

Year: 516 Days

Day: 11.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,806,878 km

• M1: 144,212 km (0.077 R)
• M2: 540,796 km (0.112 R)
• M3: 1,091,915 km (0.074 R)
• M4: 1,471,445 km (0.082 R)
• M5: 1,975,739 km (0.082 R)
• M6: 2,403,739 km (0.083 R)
• M7: 2,776,387 km (0.11 R)
• M8: 3,256,895 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 14

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.69 AU - 2.81 AU

Year: 2146 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,806,878 km

• M1: 174,132 km (0.102 R)
• M2: 672,891 km (0.072 R)
• M3: 1,362,537 km (0.046 R)
• M4: 1,891,815 km (0.095 R)
• M5: 2,378,157 km (0.081 R)
• M6: 2,933,016 km (0.113 R)
• M7: 3,851,996 km (0.041 R)
• M8: 4,389,800 km (0.054 R)
• M9: 6,232,846 km (0.066 R)
• M10: 6,751,053 km (0.114 R)
• M11: 7,268,661 km (0.029 R)
• M12: 7,968,480 km (0.065 R)
• M13: 9,432,595 km (0.074 R)
• M14: 9,970,698 km (0.114 R)
• M15: 10,835,823 km (0.082 R)
• M16: 11,426,585 km (0.118 R)
• M17: 13,019,802 km (0.089 R)
• M18: 14,519,820 km (0.11 R)
• M19: 16,489,126 km (0.081 R)
• M20: 18,575,268 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 13

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.78 AU - 3.74 AU

Year: 3742 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,806,878 km

• M1: 173,234 km (0.115 R)
• M2: 1,455,288 km (0.119 R)
• M3: 2,008,202 km (0.081 R)
• M4: 2,899,805 km (0.092 R)
• M5: 4,758,110 km (0.075 R)
• M6: 5,195,235 km (0.112 R)
• M7: 6,204,123 km (0.063 R)
• M8: 7,072,838 km (0.066 R)
• M9: 9,438,578 km (0.101 R)
• M10: 9,872,861 km (0.093 R)
• M11: 10,396,304 km (0.115 R)
• M12: 11,621,660 km (0.094 R)
• M13: 16,439,759 km (0.116 R)
• M14: 16,858,034 km (0.065 R)
• M15: 17,715,978 km (0.102 R)
• M16: 19,287,055 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 13.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.33 AU - 4.79 AU

Year: 6191 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,806,878 km

• M1: 171,888 km (0.047 R)
• M2: 695,331 km (0.043 R)
• M3: 1,500,616 km (0.079 R)
• M4: 1,967,511 km (0.111 R)
• M5: 3,007,366 km (0.103 R)
• M6: 4,311,111 km (0.087 R)
• M7: 5,133,301 km (0.117 R)
• M8: 8,276,203 km (0.038 R)
• M9: 10,850,483 km (0.103 R)
• M10: 15,894,325 km (0.12 R)
• M11: 18,449,606 km (0.109 R)
• M12: 20,179,406 km (0.088 R)
• M13: 24,039,630 km (0.069 R)
• M14: 32,791,554 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 10.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.01 AU - 5.55 AU

Year: 7714 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 20,806,878 km

• M1: 133,591 km (0.069 R)
• M2: 493,972 km (0.113 R)
• M3: 847,921 km (0.118 R)
• M4: 1,262,756 km (0.082 R)
• M5: 1,935,497 km (0.105 R)
• M6: 2,451,311 km (0.067 R)
• M7: 3,375,377 km (0.108 R)
• M8: 3,963,446 km (0.038 R)
• M9: 6,144,284 km (0.054 R)
• M10: 6,920,697 km (0.087 R)
• M11: 8,056,145 km (0.053 R)
• M12: 8,473,822 km (0.09 R)
• M13: 9,771,883 km (0.077 R)
• M14: 10,424,129 km (0.104 R)
• M15: 11,338,471 km (0.119 R)
• M16: 12,305,622 km (0.106 R)
• M17: 13,643,924 km (0.102 R)
• M18: 15,019,925 km (0.11 R)
• M19: 15,595,578 km (0.098 R)
• M20: 16,185,742 km (0.096 R)
• M21: 16,546,871 km (0.082 R)
• M22: 17,599,741 km (0.094 R)
• M23: 18,304,347 km (0.086 R)
• M24: 19,565,756 km (0.03 R)
• M25: 20,461,548 km (0.112 R)
• M26: 20,884,162 km (0.111 R)
• M27: 21,528,929 km (0.075 R)
• M28: 24,398,515 km (0.112 R)
• M29: 26,006,991 km (0.043 R)
• M30: 26,753,335 km (0.085 R)
• M31: 27,343,798 km (0.094 R)
• M32: 27,770,750 km (0.081 R)
• M33: 28,550,454 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.3

Radius: 3.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 10.09 AU - 11.99 AU

Year: 23323 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,806,878 km

• M1: 39,643 km (0.096 R)
• M2: 301,290 km (0.091 R)
• M3: 1,522,906 km (0.103 R)
• M4: 1,748,051 km (0.111 R)
• M5: 2,033,783 km (0.082 R)
• M6: 4,132,791 km (0.113 R)
• M7: 4,799,100 km (0.069 R)
• M8: 4,940,470 km (0.081 R)
• M9: 5,256,420 km (0.088 R)
• M10: 7,920,160 km (0.102 R)
• M11: 9,191,443 km (0.079 R)
• M12: 9,743,309 km (0.099 R)
• M13: 14,532,087 km (0.117 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: 258 - 18,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit