🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.85 AU - 1.39 AU

Year: 451 Days

Day: 37.1 Hours

Environment

Temp: -14 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.32 AU - 1.62 AU

Year: 679 Days

Day: 20.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.67 AU - 2.03 AU

Year: 958 Days

Day: 20.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.31 AU - 2.85 AU

Year: 1578 Days

Day: 40.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.36 AU - 2.96 AU

Year: 1652 Days

Day: 28.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 14.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.71 AU - 6.47 AU

Year: 5033 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,130,699 km

• M1: 185,352 km (0.041 R)
• M2: 1,007,242 km (0.099 R)
• M3: 1,550,133 km (0.112 R)
• M4: 2,276,281 km (0.085 R)
• M5: 4,928,801 km (0.068 R)
• M6: 6,362,697 km (0.1 R)
• M7: 10,248,950 km (0.038 R)
• M8: 11,324,858 km (0.054 R)
• M9: 11,821,523 km (0.042 R)
• M10: 13,201,264 km (0.111 R)
• M11: 16,053,198 km (0.08 R)
• M12: 16,971,729 km (0.119 R)
• M13: 19,039,919 km (0.084 R)
• M14: 22,662,731 km (0.053 R)
• M15: 25,781,099 km (0.116 R)
• M16: 26,484,807 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 12.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.31 AU - 6.31 AU

Year: 6036 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,130,699 km

• M1: 151,692 km (0.097 R)
• M2: 759,359 km (0.073 R)
• M3: 1,936,694 km (0.113 R)
• M4: 2,609,735 km (0.097 R)
• M5: 3,039,380 km (0.075 R)
• M6: 3,622,064 km (0.098 R)
• M7: 5,147,214 km (0.114 R)
• M8: 5,740,369 km (0.078 R)
• M9: 7,547,661 km (0.105 R)
• M10: 8,352,498 km (0.118 R)
• M11: 8,893,893 km (0.074 R)
• M12: 9,458,625 km (0.098 R)
• M13: 13,625,972 km (0.066 R)
• M14: 14,541,960 km (0.102 R)
• M15: 16,257,848 km (0.115 R)
• M16: 17,787,935 km (0.045 R)
• M17: 19,613,178 km (0.062 R)
• M18: 22,212,591 km (0.037 R)
• M19: 26,986,558 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 12.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.73 AU - 8.99 AU

Year: 7603 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,130,699 km

• M1: 160,369 km (0.102 R)
• M2: 615,595 km (0.052 R)
• M3: 1,143,825 km (0.107 R)
• M4: 3,353,984 km (0.075 R)
• M5: 4,104,966 km (0.108 R)
• M6: 4,534,910 km (0.049 R)
• M7: 5,486,352 km (0.097 R)
• M8: 11,271,601 km (0.052 R)
• M9: 13,356,846 km (0.09 R)
• M10: 18,064,242 km (0.04 R)
• M11: 19,005,063 km (0.108 R)
• M12: 20,284,424 km (0.028 R)
• M13: 21,460,263 km (0.111 R)
• M14: 22,598,105 km (0.106 R)
• M15: 26,621,091 km (0.097 R)
• M16: 29,686,052 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.32 AU - 10.64 AU

Year: 12919 Days

Day: 7.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,130,699 km

• M1: 182,809 km (0.099 R)
• M2: 780,901 km (0.067 R)
• M3: 1,341,444 km (0.081 R)
• M4: 2,752,152 km (0.098 R)
• M5: 3,773,008 km (0.094 R)
• M6: 8,517,953 km (0.12 R)
• M7: 11,878,669 km (0.095 R)
• M8: 15,111,330 km (0.088 R)
• M9: 18,809,539 km (0.117 R)
• M10: 21,794,764 km (0.059 R)
• M11: 23,072,928 km (0.102 R)
• M12: 24,400,460 km (0.057 R)
• M13: 28,047,656 km (0.086 R)
• M14: 32,627,296 km (0.089 R)
• M15: 33,815,701 km (0.092 R)
• M16: 35,901,843 km (0.108 R)
• M17: 36,785,219 km (0.099 R)
• M18: 45,400,710 km (0.082 R)
• M19: 46,137,180 km (0.092 R)
• M20: 49,627,897 km (0.044 R)
• M21: 56,111,768 km (0.094 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: 331 - 13,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit