🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.99 AU - 1.35 AU

Year: 447 Days

Day: 23.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.89 AU - 2.55 AU

Year: 1168 Days

Day: 13.9 Hours

Environment

Temp: -57 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 12.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.91 AU - 6.99 AU

Year: 5784 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,388,101 km

• M1: 175,777 km (0.107 R)
• M2: 670,647 km (0.118 R)
• M3: 1,265,897 km (0.113 R)
• M4: 1,895,405 km (0.114 R)
• M5: 2,507,560 km (0.105 R)
• M6: 3,291,752 km (0.051 R)
• M7: 4,336,842 km (0.082 R)
• M8: 5,080,792 km (0.11 R)
• M9: 5,972,845 km (0.1 R)
• M10: 6,405,482 km (0.119 R)
• M11: 7,714,313 km (0.057 R)
• M12: 8,681,314 km (0.096 R)
• M13: 10,613,819 km (0.12 R)
• M14: 11,351,038 km (0.055 R)
• M15: 12,440,260 km (0.117 R)
• M16: 12,982,851 km (0.118 R)
• M17: 13,711,842 km (0.084 R)
• M18: 18,954,798 km (0.099 R)
• M19: 20,485,932 km (0.077 R)
• M20: 22,414,698 km (0.053 R)
• M21: 22,814,423 km (0.116 R)
• M22: 24,970,877 km (0.08 R)
• M23: 25,835,253 km (0.081 R)
• M24: 27,623,995 km (0.07 R)
• M25: 31,847,591 km (0.107 R)
• M26: 33,797,749 km (0.054 R)
• M27: 35,177,191 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 13

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.65 AU - 7.75 AU

Year: 6124 Days

Day: 9.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,388,101 km

• M1: 161,715 km (0.074 R)
• M2: 1,189,602 km (0.059 R)
• M3: 2,562,462 km (0.085 R)
• M4: 4,507,085 km (0.079 R)
• M5: 4,928,951 km (0.028 R)
• M6: 5,907,171 km (0.092 R)
• M7: 7,547,063 km (0.115 R)
• M8: 9,027,035 km (0.069 R)
• M9: 9,700,973 km (0.109 R)
• M10: 10,651,668 km (0.045 R)
• M11: 11,533,547 km (0.064 R)
• M12: 17,476,771 km (0.104 R)
• M13: 19,368,436 km (0.114 R)
• M14: 21,524,142 km (0.049 R)
• M15: 22,254,628 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 9.1

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.62 AU - 12.48 AU

Year: 12100 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,388,101 km

• M1: 113,395 km (0.027 R)
• M2: 497,563 km (0.045 R)
• M3: 851,810 km (0.106 R)
• M4: 1,155,793 km (0.09 R)
• M5: 1,768,845 km (0.061 R)
• M6: 3,065,410 km (0.06 R)
• M7: 4,236,462 km (0.1 R)
• M8: 5,499,218 km (0.028 R)
• M9: 6,660,845 km (0.12 R)
• M10: 8,072,152 km (0.083 R)
• M11: 9,100,487 km (0.083 R)
• M12: 11,005,018 km (0.098 R)
• M13: 11,775,746 km (0.11 R)
• M14: 12,081,524 km (0.084 R)
• M15: 13,095,947 km (0.039 R)
• M16: 14,722,674 km (0.096 R)
• M17: 15,584,657 km (0.081 R)
• M18: 16,480,001 km (0.089 R)
• M19: 18,536,672 km (0.099 R)
• M20: 25,419,371 km (0.047 R)
• M21: 28,046,160 km (0.097 R)
• M22: 28,923,552 km (0.062 R)
• M23: 33,464,744 km (0.111 R)
• M24: 38,998,669 km (0.103 R)
• M25: 42,768,236 km (0.059 R)
• M26: 44,964,034 km (0.047 R)
• M27: 46,468,988 km (0.049 R)
• M28: 47,542,203 km (0.052 R)
• M29: 57,779,934 km (0.076 R)
• M30: 60,098,252 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 4.4

Gravity: 28.72 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 10.77 AU - 17.65 AU

Year: 18914 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,388,101 km

• M1: 54,753 km (0.088 R)
• M2: 250,427 km (0.096 R)
• M3: 724,353 km (0.101 R)
• M4: 2,422,139 km (0.093 R)
• M5: 5,226,650 km (0.118 R)
• M6: 7,331,941 km (0.086 R)
• M7: 8,192,877 km (0.029 R)
• M8: 8,751,027 km (0.07 R)
• M9: 11,055,582 km (0.076 R)
• M10: 11,361,809 km (0.083 R)
• M11: 13,595,305 km (0.067 R)
• M12: 17,967,901 km (0.091 R)
• M13: 21,540,897 km (0.091 R)
• M14: 26,746,902 km (0.067 R)
• M15: 28,083,260 km (0.104 R)
• M16: 28,882,861 km (0.075 R)
• M17: 29,114,139 km (0.116 R)
• M18: 46,147,353 km (0.06 R)
• M19: 56,089,926 km (0.074 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 15,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit